Properties

Reboot on BIOS Settings Change

set reboot-on-update

When the server is rebooted after you change one or more BIOS settings.

yes —If you enable this setting, the server is rebooted according to the maintenance policy in the server's service profile. For example, if the maintenance policy requires user acknowledgment, the server is not rebooted and the BIOS changes are not applied until a user acknowledges the pending activity.

no —If you do not enable this setting, the BIOS changes are not applied until the next time the server is rebooted, whether as a result of another server configuration change or a manual reboot.

BIOS Setting

Quiet Boot

set quiet-boot-config quiet-boot

What the BIOS displays during Power On Self-Test (POST). This can be one of the following:

• disabled—The BIOS displays all messages and Option ROM information during boot.

• enabled—The BIOS displays the logo screen, but does not display any messages or Option ROM information during boot.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

POST error pause

set post-error-pause-config post-error-pause

What happens when the server encounters a critical error during POST. This can be one of the following:

• disabled—The BIOS continues to attempt to boot the server.

• enabled—The BIOS pauses the attempt to boot the server and opens the Error Manager when a critical error occurs during POST.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Resume on AC power loss

set resume-ac-on-power-loss-config resume-action

How the server behaves when power is restored after an unexpected power loss. This can be one of the following:

• stay-off—The server remains off until manually powered on.

• last-state—The server is powered on and the system attempts to restore its last state.

• reset—The server is powered on and automatically reset.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Front panel lockout

set front-panel-lockout-config front-panel-lockout

Whether the power and reset buttons on the front panel are ignored by the server. This can be one of the following:

• disabled—The power and reset buttons on the front panel are active and can be used to affect the server.

• enabled—The power and reset buttons are locked out. The server can only be reset or powered on or off from the CIMC GUI.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

CDN Control

set consistent-device-name-control cdn-name

Consistent Device Naming allows Ethernet interfaces to be named in a consistent manner. This makes Ethernet interface names more uniform, easy to identify, and persistent when adapter or other configuration changes are made.

Whether consistent device naming is enabled or not. This can be one of the following:

• disabled—Consistent device naming is disabled for the BIOS policy.

• enabled—Consistent device naming is enabled for the BIOS policy. This enables Ethernet interfaces to be named consistently. This is the default option.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe Slots CDN Control

set consistent-device-name-control pcie-slot-cdn-name

PCIe Slots Consistent Device Naming (CDN) control allows PCIe slots to be named in a consistent manner. This makes PCIe slot names more uniform, easy to identify, and persistent when the configuration changes are made. This can be one of the following:

• disabled—Consistent device naming is disabled. This is the default option.

• enabled—Consistent device naming is enabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Intel Turbo Boost Tech

set intel-turbo-boost-config turbo-boost

Whether the processor uses Intel Turbo Boost Technology, which allows the processor to automatically increase its frequency if it is running below power, temperature, or voltage specifications. This can be one of the following:

• disabled—The processor does not increase its frequency automatically.

• enabled—The processor uses Turbo Boost Technology if required.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Enhanced Intel SpeedStep Tech

set enhanced-intel-speedstep-config speed-step

Whether the processor uses Enhanced Intel SpeedStep Technology, which allows the system to dynamically adjust processor voltage and core frequency. This technology can result in decreased average power consumption and decreased average heat production. This can be one of the following:

• disabled—The processor never dynamically adjusts its voltage or frequency.

• enabled—The processor utilizes Enhanced Intel SpeedStep Technology and enables all supported processor sleep states to further conserve power.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

We recommend that you contact your operating system vendor to make sure your operating system supports this feature.

Intel HyperThreading Tech

set hyper-threading-config hyper-threading

Whether the processor uses Intel Hyper-Threading Technology, which allows multithreaded software applications to execute threads in parallel within each processor. This can be one of the following:

• disabled—The processor does not permit hyperthreading.

• enabled—The processor allows for the parallel execution of multiple threads.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

We recommend that you contact your operating system vendor to make sure the operating system supports this feature.

Intel Speed Select

set-IntelSpeedSelect

Allows improved CPU performance by using Intel Speed Select technology to tune the CPU to run at one of three operating profiles, based on number of logical processor cores, frequency, and TDP thread setting, to improve performance over the basic Platform Default setting. These profiles correspond to High, Medium, and Low Core settings and can be one of the following:

• base—The processor uses Base.

• config1—The processor uses Config 1.

• config2—The processor uses Config 2.

• config3—The processor uses Config 3.

• config4—The processor uses Config 4.

  Note	The values config1 and config2 are not supported on Cisco UCS M6 servers.

  Note	For Cisco UCS M6 and Cisco UCS M7 servers, the values config 3 and config 4 (4th Gen Intel Xeon Scalable processors and 5th Gen Intel Xeon Scalable processors) are equivalent to the values config 1 and config 2 (3rd Gen Intel Xeon Scalable processors).

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Core Multi Processing

set core-multi-processing-config multi-processing

Sets the state of logical processor cores per CPU in a package. If you disable this setting, Intel Hyper Threading technology is also disabled. This can be one of the following:

• All—Enables multiprocessing on all logical processor cores.

• 1 through n—Specifies the number of logical processor cores per CPU that can run on the server. To disable multiprocessing and have only one logical processor core per CPU running on the server, choose 1.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

We recommend that you contact your operating system vendor to make sure your operating system supports this feature.

Execute Disable Bit

set execute-disable bit

Classifies memory areas on the server to specify where the application code can execute. As a result of this classification, the processor disables code execution if a malicious worm attempts to insert code in the buffer. This setting helps to prevent damage, worm propagation, and certain classes of malicious buffer overflow attacks. This can be one of the following:

• disabled—The processor does not classify memory areas.

• enabled—The processor classifies memory areas.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

We recommend that you contact your operating system vendor to make sure your operating system supports this feature.

Intel Virtualization Technology

set intel-vt-config vt

Whether the processor uses Intel Virtualization Technology, which allows a platform to run multiple operating systems and applications in independent partitions. This can be one of the following:

• disabled—The processor does not permit virtualization.

• enabled—The processor allows multiple operating systems in independent partitions.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Hardware Prefetcher

set processor-prefetch-config hardware-prefetch

Whether the processor allows the Intel hardware prefetcher to fetch streams of data and instruction from memory into the unified second-level cache when necessary. This can be one of the following:

• disabled—The hardware prefetcher is not used.

• enabled—The processor uses the hardware prefetcher when cache issues are detected.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Adjacent Cache Line Prefetcher

set processor-prefetch-config adjacent-cache-line-prefetch

Whether the processor fetches cache lines in even/odd pairs instead of fetching just the required line. This can be one of the following:

• disabled—The processor only fetches the required line.

• enabled—The processor fetches both the required line and its paired line.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

DCU Streamer Prefetch

set processor-prefetch-config dcu-streamer-prefetch

Whether the processor uses the DCU IP Prefetch mechanism to analyze historical cache access patterns and preload the most relevant lines in the L1 cache. This can be one of the following:

• disabled—The processor does not try to anticipate cache read requirements and only fetches explicitly requested lines.

• enabled—The DCU prefetcher analyzes the cache read pattern and prefetches the next line in the cache if it determines that it may be needed.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

DCU IP Prefetcher

set processor-prefetch-config dcu-ip-prefetch

Whether the processor uses the DCU IP Prefetch mechanism to analyze historical cache access patterns and preload the most relevant lines in the L1 cache. This can be one of the following:

• disabled—The processor does not preload any cache data.

• enabled—The DCU IP prefetcher preloads the L1 cache with the data it determines to be the most relevant.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

KTI Prefetch

KTI prefetch is a mechanism to get the memory read started early on a DDR bus. This can be one of the following:

• disabled—The processor does not preload any cache data.

• enabled—The KTI prefetcher preloads the L1 cache with the data it determines to be the most relevant.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

LLC Prefetch

Whether the processor uses the LLC Prefetch mechanism to fetch the date into the LLC. This can be one of the following:

• disabled—The processor does not preload any cache data.

• enabled—The LLC prefetcher preloads the L1 cache with the data it determines to be the most relevant.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

XPT Prefetch

Whether XPT prefetch is used to enable a read request that is sent to the last level cache to issue a copy of that request to the memory controller prefetcher. This can be one of the following:

• disabled—The CPU does not use the XPT Prefetch option.

• enabled—The CPU enables the XPT prefetcher option.

• auto—The CPU auto enables the XPT prefetcher option.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Direct Cache Access

set direct-cache-access-config access

Allows processors to increase I/O performance by placing data from I/O devices directly into the processor cache. This setting helps to reduce cache misses. This can be one of the following:

• auto—The CPU determines how to place data from I/O devices into the processor cache.

• disabled—Data from I/O devices is not placed directly into the processor cache.

• enabled—Data from I/O devices is placed directly into the processor cache.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Processor C State

set processor-c-state-config c-state

Whether the system can enter a power savings mode during idle periods. This can be one of the following:

• disabled—The system remains in a high-performance state even when idle.

• enabled—The system can reduce power to system components such as the DIMMs and CPUs.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

We recommend that you contact your operating system vendor to make sure your operating system supports this feature.

Processor C1E

set processor-c1e-config c1e

Allows the processor to transition to its minimum frequency upon entering C1. This setting does not take effect until after you have rebooted the server. This can be one of the following:

• disabled—The CPU continues to run at its maximum frequency in the C1 state.

• enabled—The CPU transitions to its minimum frequency. This option saves the maximum amount of power in the C1 state.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Processor C3 Report

set processor-c3-report-config processor-c3-report

Whether the processor sends the C3 report to the operating system. This can be one of the following:

• enabled—The processor sends the C3 report to the OS.

• disabled—The processor does not send the C3 report.

• acpi-c2—The processor sends the C3 report using the advanced configuration and power interface (ACPI) C2 format.

• acpi-c3—The processor sends the C3 report using the ACPI C3 format.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

On the Cisco UCS B440 Server, the BIOS Setup menu uses enabled and disabled for these options. If you specify acpi-c2 or acpi-c2, the server sets the BIOS value for that option to enabled.

Processor C6 Report

set processor-c6-report-config processor-c6-report

Whether the processor sends the C6 report to the operating system. This can be one of the following:

• disabled—The processor does not send the C6 report.

• enabled—The processor sends the C6 report.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Processor C7 Report

set processor-c7-report-config processor-c7-report

Whether the processor sends the C7 report to the operating system. This can be one of the following:

• c7—The processor sends the report using the C7 format.

• c7s—The processor sends the report using the C7s format.

• disabled—The processor does not send the C7 report.

• enabled—The processor sends the C7 report.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Processor CMCI

Enables CMCI generation. This can be one of the following:

• disabled—The processor disables CMCI.

• enabled—The processor enables CMCI.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

CPU Performance

set cpu-performance-config cpu-performance

Sets the CPU performance profile for the server. This can be one of the following:

• Custom—All performance profile options can be configured from the BIOS setup on the server. In addition, the Hardware Prefetcher and Adjacent Cache-Line Prefetch options can be configured as well.

• enterprise—For M4 and higher servers, all prefetchers and data reuse are enabled.

• high-throughput—Data reuse and the DCU IP prefetcher are enabled, and all other prefetchers are disabled.

• hpc—All prefetchers are enabled and data reuse is disabled. This setting is also known as high-performance computing.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Max Variable MTRR Setting

set max-variable-mtrr-setting-config processor-mtrr

Allows you to select the number of mean time to repair (MTRR) variables. This can be one of the following:

• auto-max—BIOS uses the default value for the processor.

• 8—BIOS uses the number specified for the variable MTRR.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Local X2 APIC

set local-x2-apic-config localx2-apic

Allows you to set the type of Application Policy Infrastructure Controller (APIC) architecture. This can be one of the following:

• disabled—Processor disables Local X2 APIC.

• enabled—Processor enables Local X2 APIC.

• xapic—Uses the standard xAPIC architecture.

• x2apic—Uses the enhanced x2APIC architecture to support 32 bit addressability of processors.

• auto—Automatically uses the xAPIC architecture that is detected.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Power Technology

set processor-energy-config cpu-power-management

Enables you to configure the CPU power management settings for the following options:

• Enhanced Intel Speedstep Technology

• Intel Turbo Boost Technology

• Processor Power State C6

Power Technology can be one of the following:

• disabled—The server does not perform any CPU power management and any settings for the BIOS parameters mentioned above are ignored.

• Energy_Efficient—The server determines the best settings for the BIOS parameters mentioned above and ignores the individual settings for these parameters.

• performance—The server automatically optimizes the performance for the BIOS parameters mentioned above.

• custom—The server uses the individual settings for the BIOS parameters mentioned above. You must select this option if you want to change any of these BIOS parameters.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Energy Performance

set processor-energy-config energy-performance

Allows you to determine whether system performance or energy efficiency is more important on this server. This can be one of the following:

• performance — The server provides all server components with full power at all times. This option maintains the highest level of performance and requires the greatest amount of power.

• balanced-performance — The server provides all server components with enough power to keep a balance between performance and power.

• balanced-energy — The server provides all server components with enough power to keep a balance between performance and power.

• energy-efficient — The server provides all server components with less power to keep reduce power consumption.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Frequency Floor Override

set frequency-floor-override-config cpu-frequency

Whether the CPU is allowed to drop below the maximum non-turbo frequency when idle. This can be one of the following:

• disabled— The CPU can drop below the maximum non-turbo frequency when idle. This option decreases power consumption but may reduce system performance.

• enabled— The CPU cannot drop below the maximum non-turbo frequency when idle. This option improves system performance but may increase power consumption.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

P STATE Coordination

set p-state-coordination-config p-state

Allows you to define how BIOS communicates the P-state support model to the operating system. There are 3 models as defined by the Advanced Configuration and Power Interface (ACPI) specification.

• hw-all—The processor hardware is responsible for coordinating the P-state among logical processors with dependencies (all logical processors in a package).

• sw-all—The OS Power Manager (OSPM) is responsible for coordinating the P-state among logical processors with dependencies (all logical processors in a physical package), and must initiate the transition on all of the logical processors.

• sw-any—The OS Power Manager (OSPM) is responsible for coordinating the P-state among logical processors with dependencies (all logical processors in a package), and may initiate the transition on any of the logical processors in the domain.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

DRAM Clock Throttling

set dram-clock-throttling-config dram-clock-throttling

Allows you to tune the system settings between the memory bandwidth and power consumption. This can be one of the following:

• auto — CPU determines the DRAM Clock Throttling settings.

• balanced— DRAM clock throttling is reduced, providing a balance between performance and power.

• performance—DRAM clock throttling is disabled, providing increased memory bandwidth at the cost of additional power.

• Energy_Efficient—DRAM clock throttling is increased to improve energy efficiency.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Channel Interleaving

set interleave-config channel-interleave

Whether the CPU divides memory blocks and spreads contiguous portions of data across interleaved channels to enable simultaneous read operations. This can be one of the following:

• auto—The CPU determines what interleaving is done.

• 1-way—

• 2-way

• 3-way

• 4-way—The maximum amount of channel interleaving is used.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Rank Interleaving

set interleave-config rank-interleave

Whether the CPU interleaves physical ranks of memory so that one rank can be accessed while another is being refreshed. This can be one of the following:

• auto—The CPU determines what interleaving is done.

• 1-way—

• 2-way

• 4-way

• 8-way—The maximum amount of rank interleaving is used.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Sub NUMA Clustering

Whether the CPU supports sub NUMA clustering, in which the tag directory and the memory channel are always in the same region. This can be one of the following:

• auto— The BIOS determines what Sub NUMA clustering is done.

• disabled— Sub NUMA clustering does not occur. This is the default option.

• enabled— Sub NUMA clustering occurs.

• platform-default — The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Memory Interleaving

set interleave-config memory-interleave

Whether the CPU interleaves the physical memory so that the memory can be accessed while another is being refreshed. This controls fabric level memory interleaving. Channel, die and socket have requirements based on memory populations and will be ignored if the memory does not support the selected option. This can be one of the following:

• none

• channel

• die

• socket

• auto—This is the default option.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Demand Scrub

set scrub-policies-config demand-scrub

Whether the system corrects single bit memory errors encountered when the CPU or I/O makes a demand read. This can be one of the following:

• disabled— Single bit memory errors are not corrected.

• enabled— Single bit memory errors are corrected in memory and the corrected data is set in response to the demand read.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Patrol Scrub

set scrub-policies-config patrol-scrub

Whether the system actively searches for, and corrects, single bit memory errors even in unused portions of the memory on the server. This can be one of the following:

• disabled—The system checks for memory ECC errors only when the CPU reads or writes a memory address.

• enabled—The system periodically reads and writes memory searching for ECC errors. If any errors are found, the system attempts to fix them. This option may correct single bit errors before they become multi-bit errors, but it may adversely affect performance when the patrol scrub is running.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

DCPMM Firmware Downgrade

This can be one of the following:

• disabled—Support is disabled.

• enabled—Support is enabled.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Configurable TDP Control

Allows you to set customized value for Thermal Design Power (TDP). This can be one of the following:

• auto— Uses the rated TDP value of the processor.

• manual—Allows you to customize the TDP value.

Altitude

set altitude altitude-config

The approximate number of meters above sea level at which the physical server is installed. This can be one of the following:

• auto—The CPU determines the physical elevation.

• 300-m—The server is approximately 300 meters above sea level.

• 900-m—The server is approximately 900 meters above sea level.

• 1500-m—The server is approximately 1500 meters above sea level.

• 3000-m—The server is approximately 3000 meters above sea level.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Package C State Limit

set package-c-state-limit-config package-c-state-limit

The amount of power available to the server components when they are idle. This can be one of the following:

CPU Hardware Power Management

set cpu-hardware-power-management-config cpu-hardware-power-management

Enables processor Hardware Power Management (HWPM). This can be one of the following:

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

• disabled—HWPM is disabled.

• hwpm-native-mode—HWPM native mode is enabled.

• hwpm-oob-mode—HWPM Out-Of-Box mode is enabled.

• Native Mode with no Legacy (only GUI)

Energy Performance Tuning

set power-performance-tuning-support power-performance-tuning-config

Determines if the BIOS or Operating System can turn on the energy performance bias tuning. The options are BIOS and OS.

• bios—

• os—

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Workload Configuration

This feature allows for workload optimization. The options are Balanced and I/O Sensitive:

• balanced

• io-sensitive—This is the default option.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Core Performance Boost

Whether the AMD processor increases its frequency on some cores when it is idle or not being used much. This can be one of the following:

• auto—The CPU automatically determines how to boost performance.

• disabled—Core performance boost is disabled.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Uncore Frequency Scaling

Allows you configure the scaling of the uncore frequency of the processor. This can be one of the following:

• enabled—Uncore frequency of the processor scales up or down based on the load. (Default.)

• disabled—Uncore frequency of the processor remains fixed.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Refer to the Intel Dear Customer Letter (DCL) to know the fixed higher and lower values for Uncore Frequency Scaling.

Configurable TDP Level

Allows adjustments in processor thermal design power (TDP) values. By modifying the processor behavior and the performance levels, power consumption of a processor can be configured and TDP can be adjusted at the same time. Hence, a processor operates at higher or lower performance levels, depending on the available cooling capacities and desired power consumption.

This can be one of the following:

• normal—The CPU operates at its normal performance level. (Default.)

• level1

• level1

UPI Link Speed

set-qpilinkspeed

Allows you to configure the Intel Ultra Path Interconnect (UPI) link speed between multiple sockets. This can be one of the following:

• auto—Automatically configures the optimal link speed. (Default)

• 9.6gt/s (gigatransfers per second)—Configures the optimal link speed at 9.6GT/s

• 10.4gt/s—Configures the optimal link speed at 10.4GT/s

• 11.2gt/s—Configures the optimal link speed at 11.2GT/s

• use per link setting

  Note	The value use per link setting is not supported on UCS M6 servers.

Global C-state Control

Whether the AMD processors control IO-based C-state generation and DF C-states. This can be one of the following:

• auto—The CPU automatically determines how to control IO-based C-state generation.

• disabled—Global C-state control is disabled.

• enabled—Global C-state control is enabled.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

L1 Stream HW Prefetcher

Whether the processor allows the AMD hardware prefetcher to speculatively fetch streams of data and instruction from memory into the L1 cache when necessary. This can be one of the following:

• auto—The CPU determines how to place data from I/O devices into the processor cache.

• disabled—The hardware prefetcher is not used.

• enabled—The processor uses the hardware prefetcher when cache issues are detected.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

L2 Stream HW Prefetcher

Whether the processor allows the AMD hardware prefetcher to speculatively fetch streams of data and instruction from memory into the L2 cache when necessary. This can be one of the following:

• auto—The CPU determines how to place data from I/O devices into the processor cache.

• disabled—The hardware prefetcher is not used.

• enabled—The processor uses the hardware prefetcher when cache issues are detected.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

AMD Memory Interleaving Size

Determines the size of the memory blocks to be interleaved. It also determines the starting address of the interleave (bit 8,9,10 or 11). This can be one of the following:

• 1 KB

• 2 KB

• 256 Bytes

• 512 Bytes

• auto—The CPU determines the size of the memory block.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Chipselect Interleaving

Whether memory blocks across the DRAM chip selects for node 0 are interleaved. This can be one of the following:

• auto—The CPU automatically determines how to interleave chip selects.

• disabled—Chip selects are not interleaved within the memory controller.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Bank Group Swap

Determines how physical addresses are assigned to applications. This can be one of the following:

• auto—The CPU automatically determines how to assign physical addresses to applications.

• disabled—Bank group swap is not used.

• enabled—Bank group swap is used to improve the performance of applications.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Determinism Slider

Allows AMD processors to determine how to operate. This can be one of the following:

• auto—The CPU automatically uses default power determinism settings.

• performance—Processor operates at the best performance in a consistent manner.

• power—Processor operates at the maximum allowable performance on a per die basis.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

IOMMU

Input Output Memory Management Unit (IOMMU) allows AMD processors to map virtual addresses to physical addresses. This can be one of the following:

• auto—The CPU determines how map these addresses.

• disabled—IOMMU is not used.

• enabled—Address mapping takes place through the IOMMU.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SVM Mode

Whether the processor uses AMD Secure Virtual Machine Technology. This can be one of the following: This can be one of the following:

• disabled—The processor does not use SVM Technology.

• enabled—The processor uses SVM Technology. This is the default option.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SMT Mode

Whether the processor uses AMD Simultaneous MultiThreading Technology, which allows multithreaded software applications to execute threads in parallel within each processor. This can be one of the following:

• disabled—The processor does not use SMT Technology.

• enabled—The processor uses SMT Technology. This is the default option.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SMEE

Whether the processor uses the Secure Memory Encryption Enable (SMEE) function, which provides memory encryption support. This can be one of the following:

• auto—This is the default option.

• disabled—The processor does not use the SMEE function.

• enabled—The processor uses the SMEE function.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

UPI Prefetch

set-upi-prefetch

UPI prefetch is a mechanism to get the memory read started early on a DDR bus. This can be one of the following:

• enabled—The UPI prefetcher preloads the L1 cache with the data it determines to be the most relevant.

• disabled—The processor does not preload any cache data.

• auto—The processor enables the UPI prefetcher option.

SGX Auto MP Registration Agent

set-SgxAutoRegistrationAgent

Allows you to enable the registration authority service to store the platform keys. This can be one of the following:

• enabled—Support is enabled.

• disabled—Support is disabled.

SProcessor Epoch n

scope token-feature "Processor"

scope token-param SgxEpoc nh

Allows you to define the SGX EPOCH owner value for the EPOCH number designated by n.

SGX Factory Reset

scope token-feature "Processor"

scope token-param SgxFactoryReset

Allows the system to perform SGX factory reset on subsequent boot. This deletes all registration data. This can be one of the following:

• enabled—Support is enabled.

• disabled—Support is disabled.

SGX PBUKEY HASHn

scope token-feature "Processor"

scope token-param SgxLePubKeyHash n

Allows you to set the Software Guard Extensions (SGX) value. This value can be set between:

• SGX PUBKEY HASH0—Between 7-0

• SGX PUBKEY HASH1—Between 15-8

• SGX PUBKEY HASH2—Between 23-16

• SGX PUBKEY HASH3—Between 31-24

SGX Write Enable

scope token-feature "Processor"

scope token-param SgxLeWr

Allows you to enable SGX Write feature. This can be one of the following:

• enabled—Support is enabled.

• disabled—Support is disabled.

SGX Pkg info In-Band Access

scope token-feature "Processor"

scope token-param SgxPackageInfoInBandAccess

Allows you to enable SGX Package Info In-Band Access. This can be one of the following:

• enabled—Support is enabled.

• disabled—Support is disabled.

SGX QoS

scope token-feature "Processor"

scope token-param SgxQoS

Allows you to enable SGX QoS. This can be one of the following:

• enabled— Support is enabled.

• disabled— Support is disabled.

Intel Dynamic Speed Select

scope token-feature "IntelSpeedSelect Configuration"

scope token-param IntelDynamicSpeedSelect

Intel Dynamic Speed Select modes allow you to run the CPU with different speed and cores in auto mode. This can be one of the following:

• enabled—Intel Dynamic Speed Select is enabled.

• disabled—Intel Dynamic Speed Select is disabled.

IIO eDPC Support

scope token-feature "Processor"

scope token-param EdpcEn

eDPC allows a downstream link to be disabled after an uncorrectable error, making recovery possible in a controlled and robust manner. This can be one of the following:

• disabled—eDPC support is disabled.

• on fatal errors—eDPC is enabled only for fatal errors.

• on fatal and non-fatal errors—eDPC is enabled for both fatal and non-fatal errors.

Multikey Total Memory Encryption (MK-TME)

scope token-feature "Processor"

scope token-param EnableMktme

MK-TME allows you to have multiple encryption domains with one with own key. Different memory pages can be encrypted with different keys. This can be one of the following:

• enabled—Support is enabled. This is the default option.

• disabled—Support is disabled.

SW Guard Extensions (SGX)

scope token-feature "Processor"

scope token-param EnableSgx

Allows you to enable Software Guard Extensions (SGX) feature. This can be one of the following:

• enabled—Support is enabled.

• disabled—Support is disabled.

Total Memory Encryption (TME)

scope token-feature "Processor"

scope token-param EnableTme

Allows you to provide the capability to encrypt the entirety of the physical memory of a system. This can be one of the following:

• enabled—Support is enabled. This is the default option.

• disabled—Support is disabled.

Select Owner EPOCH input type

scope token-feature "Processor"

scope token-param EpochUpdate

Allows you to change the seed for the security key used for the locked memory region that is created. This can be one of the following:

• sgx owner epoch activated— Does not change the current input type.

• change to new random owner epochs—Changes EPOCH to a system generated random number

• manual user defined owner epochs—Changes the EPOCH seed to a hexadecimal value that you enter.

Enhanced CPU Performance

scope token-feature "CpuPerfEnhancement"

scope token-param CpuPerfEnhancement

Enhances CPU performance by adjusting server settings automatically. This can be one of the following:

• disabled—The processor does not run with this functionality. This is the default option.

• auto—Allows to adjust server settings to increase the processor performance.

UPI Link Enablement

scope token-feature "UPI Link Enablement"

scope token-param UPILinkEnablement

Enables the number of Ultra Path Interconnect (UPI) links required by the processor. This can be one of the following

• auto—This is the default option.

• 1

• 2

UPI Power Manangement

scope token-feature "UPI Power Manangement"

scope token-param UPIPowerManagement

The UPI power management can be used for conserving power on the server. This can be one of the following:

• enabled—Enables the processor to support this functionality.

• disabled—Disables the processor to support this functionality. This is the default option.

C1 Auto UnDemotion

scope token-feature "C1 Auto UnDemotion"

scope token-param C1AutoDemotion

Select whether to enable processors to automatically undemote from C1. This can be one of the following:

• auto— This is the default option.

• enabled—Enables the processor to support this functionality.

• disabled—Disables the processor to support this functionality.

C1 Auto Demotion

scope token-feature "C1 Auto Demotion"

scope token-param C1AutoDemotion

If enabled, CPU automatically demotes to C1 based on un-core auto-demote information. This can be one of the following:

• auto— This is the default option.

• enabled—Enables the processor to support this functionality.

• disabled—Disables the processor to support this functionality.

CPU Downcore control 7xx3

scope token-feature "Processor"

scope token-param CbsCpuCoreCtrl

Provides the ability to remove one or more cores from operation is supported in the silicon. It may be desirable to reduce the number of cores due to OS restrictions, or power reduction requirements of the system. This item allows the control on the number of cores that are running. This setting can only reduce the number of cores from only those available in the processor. This can be one of the following:

• auto—The CPU determines how many cores need to be enabled. This is the default option

• one (1+0)—One core enabled on one CPU complex

• two (2+0)—Two core enabled on one CPU complex

• three (3+0)—Three core enabled on one CPU complex.

• four (4+0)—Four core enabled on one CPU complex.

• five (5+0)—Five core enabled on one CPU complex

• six (6+0)—Six core enabled on one CPU complex

• seven (7+0)—Seven core enabled on one CPU complex

Fixed SOC P-State

scope token-feature "Processor"

scope token-param CbsCmnFixedSocPstate

This option defines the target P-state when APBDIS (to disable Algorithm Performance Boost (APB)) is set. The P-x specify a valid P-state for the processor installed. This can be one of the following:

• auto—Sets a valid P-state suitable for the processor. This is the default option.

• p0—Highest-performing SOC P-state

• p1—Next-highest-performing SOC P-state

• p2—Next-highest-performing SOC P-state

• p3—Minimum SOC power P-state

APBDIS

scope token-feature "Processor"

scope token-param CbsCmnApbdis

Allows you to select the Algorithm Performance Boost (APB) Disable value for the SMU. This can be one of the following:

• auto—Sets an auto ApbDis for the SMU. This is the default option.

• 0—Clear ApbDis to SMU

• 1—Set ApbDis to SMU

CCD Control

set CbsCpuCcdCtrlSsp

Allows you to specify the number of charge-coupled device CCDs that are desired to be enable in the system. This can be one of the following:

• auto—The maximum CCDs provided by the processor is enabled. This is the default option.

• 2 ccds

• 3 ccds

• 4 ccds

• 6 ccds

Cisco xGMI Max Speed

scope token-feature "Processor"

scope token-param CiscoXgmiMaxSpeed

This option enables 18 Gbps XGMI link speed. This can be one of the following:

• disabled—The feature is disabled. This is the default option.

• enabled—The feature is enabled.

ACPI SRAT L3 Cache As NUMA Domain

scope token-feature "Processor"

scope token-param CbsDfCmnAcpiSratL3Numa

Creates a layer of virtual domains on top of the physical domains in which each CCX is declared to be in its on domain. This can be one of the following:

• auto—Set to auto mode. This is the default option.

• disabled—Use NPS settings for domain configuration.

• enabled—Each CCX is declared to be in its own domain.

Streaming Stores Control

scope token-feature "Processor"

scope token-param CbsCmnCpuStreamingStoresCtrl

Enables the streaming stores functionality. This can be one of the following:

• auto—Set to auto mode. This is the default option.

• disabled—Feature is disabled.

• enabled—Feature is enabled.

DF C-States

scope token-feature "Processor"

scope token-param CbsCmnGnbSMUDfCstates

When long duration idleness is expected in a system, this control allows the system to transition into a DF Cstate which can set the system into an even lower power state. This can be one of the following:

• auto—Set to auto mode. This is the default option.

• disabled—This option is turned off, long period of idleness are not expected so no power savings would be achieved.

• enabled—This option is active, saving power when the system is idle.

SEV-SNP Support

set CbsSevSnpSupport

Allows you to enable Secure Nested Paging feature. This can be one of the following:

• disabled—The processor does not use the SEV-SNP function. This is the default option.

• enabled—The processor uses the SEV-SNP function.

Efficiency Mode Enable

scope token-feature "Processor"

scope token-param CbsCmnEfficiencyModeEn

Allows you to configure power consumption based on efficiency. This can be one of the following:

• auto—The CPU automatically uses default settings. This is the default option.

• enabled—Efficiency mode is enabled.

SNP Memory Coverage

scope token-feature "Processor"

scope token-param CbsDbgCpuSnpMemCover

Allows you to configure SNP memory coverage. This can be one of the following:

• auto—System decides the memory coverage. This is the default option.

• disabled—The processor does not use this function.

• enabled—This feature is enabled.

• custom—Custom size can be defined in SNP Memory Size to Cover.

SNP Memory Size to Cover in MB

scope token-feature "Processor"

scope token-param CbsDbgCpuSnpMemSizeCover

Allows you to configure SNP memory size.

The value can range from 0-1048576. 0 is the default option.

CPCC

scope token-feature "Processor"

scope token-param CbsCmnGnbSMUCPPC

Allows you to configure Collaborative Processor Performance Control. This can be one of the following:

• auto—The CPU automatically uses default CPPC settings. This is the default option.

• disabled—Feature is disabled.

• enabled—Collaborative Processor Performance is enabled.

Downcore control 7xx2

scope token-feature "Processor"

scope token-param CbsCmnCpuGenDowncoreCtrl

The ability to remove one or more cores from operation is supported in the silicon. It may be desirable to reduce the number of cores due to OS restrictions, or power reduction requirements of the system. This item allows the control of how many cores are running. This setting can only reduce the number of cores from those available in the processor. This can be one of the following:

• auto—The CPU determines how many cores need to be enabled. This is the default option.

• two (1+1)—Two cores enabled on one CPU complex.

• four (2+2)—Four cores enabled on one CPU complex.

• six (3+3)—Six cores enabled on one CPU complex.

Processor EPP Profile

set processor epp profile

Allows you to determine whether system performance or energy efficiency is more important on this server. This can be one of the following:

• performance

• balanced performance—This is the default option.

• balanced power

• power

Autonomous Core C-state

set processor autonomous core c-state

Enables CPU Autonomous C-State, which converts the HALT instructions to the MWAIT instructions. This can be one of the following:

• disabled—This is the default option.

• enabled

Energy Efficient Turbo

set energy efficient turbo

When energy efficient turbo is enabled, the optimal turbo frequency of the CPU turns dynamic based on CPU utilization. The power/performance bias setting also influences energy efficient turbo. This can be one of the following:

• disabled—This is the default option.

• enabled

Hardware P-States

set hardware p-states

Enables processor Hardware P-State. This can be one of the following:

• disabled—HWPM is disabled.

• hwpm native modeHWPM Native Mode—HWPM native mode is enabled. This is the default option.

• hwpm oob modeHWPM OOB Mode—HWPM Out-of-Box mode is enabled.

• native mode with no legacyNative Mode with no Legacy

Energy/Performance Bias Config

set energy/performance

Allows you to determine whether system performance or energy efficiency is more important on this server. This can be one of the following:

• performance—The server provides all server components with full power at all times. This option maintains the highest level of performance and requires the greatest amount of power.

• balaced performanceBalanced Performance—The server provides all server components with enough power to keep a balance between performance and power. This is the default option.

• balaced powerBalanced Power—The server provides all server components with enough power to keep a balance between performance and power.

• powerPower—The server provides all server components with maximum power to keep reduce power consumption.

Power Performance Tuning

set power performance

Determines if the BIOS or Operating System can turn on the energy performance bias tuning. The options are BIOS and OS. This can be one of the following:

• bios—Chooses BIOS for energy performance tuning.

• osOS—Chooses OS for energy performance tuning. This is the default option.

• peciPECI—Chooses PECI for energy performance tuning.

Cores Enabled

set cores enabled

Allows you to disable one or more of the physical cores on the server. This can be one of the following:

• all—Enables all physical cores. This also enables Hyper Threading on the associated logical processor cores.

• 1 through 481 through 48—Specifies the number of physical processor cores that can run on the server. Each physical core has an associated logical core.

Hyper-Threading [All]

set hyper-threading-all

Whether the processor uses Intel Hyper-Threading Technology, which allows multithreaded software applications to execute threads in parallel within each processor. This can be one of the following:

• disabled—The processor does not permit hyperthreading.

• enabledEnabled—The processor allows for the parallel execution of multiple threads.

SpeedStep (Pstates)

set speedstep (pstates)

Whether the processor uses Enhanced Intel SpeedStep Technology, which allows the system to dynamically adjust processor voltage and core frequency. This technology can result in decreased average power consumption and decreased average heat production. This can be one of the following:

• disabled—The processor never dynamically adjusts its voltage or frequency.

• enabledEnabled—The processor utilizes Enhanced Intel SpeedStep Technology and enables all supported processor sleep states to further conserve power.

Boot Performance Mode

set boot performance mode

Allows the user to select the BIOS performance state that is set before the operating system handoff. This can be one of the following:

• max performance—Processor P-state ratio is maximum.

• max efficientMax Efficient—Processor P-state ratio is minimum.

• set by intel nmSet by Intel NM—Processor P-state ratio is set by Intel.

EIST PSD Function

set eist psd function

EIST reduces the latency inherent with changing the voltage-frequency pair (P-state), thus allowing those transitions to occur more frequently. This allows for more granular, demand-based switching and can optimize the power-to-performance balance, based on the demands of the applications. This can be one of the following:

• hw all—The processor is coordinates the P-state among logical processors dependencies. The OS keeps the P-state request up to date on all logical processors. This is the default option.

• sw all—The OS Power Manager coordinates the P-state among logical processors with dependencies and initiates the transition on all of those Logical Processors.

Turbo Mode

set eist psd function

Whether the processor uses Intel Turbo Boost Technology, which allows the processor to automatically increase its frequency if it is running below power, temperature, or voltage specifications. This can be one of the following:

• disabled—The processor does not increase its frequency automatically.

• enabled—The processor utilizes Turbo Boost Technology if required. This is the default option.

Extended APIC

set extended apic

Allows you to enable or disable extended APIC support. This can be one of the following:

• disabled—This is the default option.

• enabled.

Memory Interleaving Size

set memory interleaving

Determines the size of the memory blocks to be interleaved. It also determines the starting address of the interleave (bit 8, 9 , 10 or 11). This can be one of the following:

• 1 KB

• 2 KB

• 4 KB

• 256 Bytes

• 512 Bytes

• auto—The CPU determines the size of the memory block.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

UPI Link Frequency Select

set upi link frequency select

Allows you to enable or disable extended APIC support. This can be one of the following:

• auto—This option configures the optimal link speed automatically. This is the default option.

• 9.6gt/s—This option configures the optimal link speed at 9.6GT/s.

• 10.4gt/s—This option configures the optimal link speed at 10.4GT/s.

• 11.2gt/s—This option configures the optimal link speed at 10.4GT/s.

• 12.8gt/s

  —This option configures the optimal link speed at 12.8GT/s.

• 14.4gt/s

  —This option configures the optimal link speed at 14.4GT/s.

• 16.0gt/s

  —This option configures the optimal link speed at 16.0GT/s.

• 20.0gt/s

  —This option configures the optimal link speed at 20.0GT/s.

X2APIC Opt Out

set X2ApicOptOut

Prevents the OS from enabling extended xAPIC (x2APIC) mode when the OS is not working with x2APIC. This can be one of the following:

• disabled—Use the Extended xAPIC (x2APIC) mode. This is the default option.

• enabled—Opt out from Extended xAPIC (x2APIC) mode.

Burst and Postponed Refresh

scope token-feature "Processor"

scope token-param BurstAndPostponedRefresh

Allows the memory controller to defer the refresh cycles when the memory is active and accomplishes the refresh within a specified window. The deferred refresh cycles may run in a burst of several refresh cycles. This can be one of the following:

• enabled

• disabled—This is the default option.

  Note	It is recommended to leave this setting in the default state of disabled to mitigate Rowhammer-style attacks.

NUMA Nodes per Socket

scope token-feature "nodes-per-socket"

scope token-param nodes-per-socket

Allows you to configure the memory NUMA domains per socket. This can be one of the following:

• auto—Number of channels is set to auto. This is the default option.

• nps0—Zero NUMA node per socket.

• nps1—One NUMA node per socket.

• nps2—Two NUMA nodes per socket, one per Left/Right Half of the SoC.

• nps4—Four NUMA nodes per socket, one per Quadrant.

DRAM SW Thermal Throttling

scope token-feature "Processor"

scope token-param DramSwThermalThrottling

Provides a protective mechanism to ensure that the software functions within the temperature limits. When the temperature exceeds the maximum threshold value, the performance is permitted to drop allowing to cool down to the minimum threshold value. This can be one of the following:

• enabled

• disabled—This is the default option.

  Note	It is recommended to leave this setting in the default state of disabled to mitigate Rowhammer-style attacks.

Operation Mode

scope token-feature "operation mode"

Allows you to set the Operation Mode. This can be one of the following:

• test only—Support is enabled.

• test and repair—Support is disabled.

Secure Encrypted Virtualization (SEV)

scope token-feature "Processor"

scope token-param SEV

Enables running encrypted virtual machines (VMs) in which the code and data of the VM are isolated. This can be one of the following:

• 253 ASIDs

• 509 ASIDs

• auto—This is the default option.

  Note	It is recommended to leave this setting in the default state of auto to mitigate Rowhammer-style attacks.

Transparent Secure Memory Encryption (TSME)

scope token-feature "Processor"

scope token-param TSME

Provides transparent hardware memory encryption of all data stored on system memory. This can be one of the following:

• enabled

• disabled

• auto—This is the default option.

  Note	It is recommended to leave this setting in the default state of auto to mitigate Rowhammer-style attacks.

xGMI Force Link Width

This setting allows users to manually specify the number of lanes used for the xGMI (Inter-chip Global Memory Interconnect) link width to x4/x8/x16.

This can be one of the following:

• 0 - Force xGMI link width to x4.

• 1 - Force xGMI link width to x8.

• 2 - Force xGMI link width to x16.

• Auto - Use the default xGMI link width controller settings. This is the default option.

• platform-default —The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

CPU Downcore control F19 Auto M10h-1Fh

scope CbsCpuDownCoreCtrl

scope CbsCpuDownCoreCtrlf19autom10h-1fh

F refers to the processor family and M denotes the model.

• auto—This is the default option.

• one_(1_+_0)

• two_(2_+_0)

• three_(3_+_0)

• four_(4_+_0)

• five_(5_+_0)

• six_(6_+_0)

• seven_(7_+_0)

Intel VT for directed IO

set intel-vt-directed-io-config vtd

Whether the processor uses Intel Virtualization Technology for Directed I/O (VT-d). This can be one of the following:

• disabled—The processor does not use virtualization technology.

• enabled—The processor uses virtualization technology.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Intel VTD interrupt Remapping

set intel-vt-directed-io-config interrupt-remapping

Whether the processor supports Intel VT-d Interrupt Remapping. This can be one of the following:

• disabled—The processor does not support remapping.

• enabled—The processor uses VT-d Interrupt Remapping as required.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Intel VTD coherency support

set intel-vt-directed-io-config coherency-support

Whether the processor supports Intel VT-d Coherency. This can be one of the following:

• disabled—The processor does not support coherency.

• enabled—The processor uses VT-d Coherency as required.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Intel VTD ATS support

set intel-vt-directed-io-config ats-support

Whether the processor supports Intel VT-d Address Translation Services (ATS). This can be one of the following:

• disabled—The processor does not support ATS.

• enabled—The processor uses VT-d ATS as required.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Intel VTD pass through DMA support

set intel-vt-directed-io-config passthrough-dma

Whether the processor supports Intel VT-d Pass-through DMA. This can be one of the following:

• disabled—The processor does not support pass-through DMA.

• enabled—The processor uses VT-d Pass-through DMA as required.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe ARI Support

scope token-feature "PCIe ARI Support"

scope token-param "PCIeARISupport"

The PCIe Alternative Routing ID (ARI) Interpretation feature specification supports greater numbers of virtual funtions through the implementation of ARI, which reinterprets the device number field in the PCIe header allowing for more than eight functions. This can be one of the following:

• disabled—PCIe ARI Support is not available.

• enabled—PCIe ARI Support is available.

• auto—PCIe ARI Support is in auto mode. This is the default option.

IPv4 PXE Support

scope token-feature "IPv4 PXE Support"

scope token-param "IPv4PXESupport"

Enables or disables IPv4 support for PXE. This can be one of the following:

• disabled—IPv6 PXE support is not available.

• enabled—IPv6 PXE support is available. This is the default option.

IPv4 HTTP Support

scope token-feature "HTTP BOOT"

scope token-param "IPV4HTTP"

Enables or disables IPv4 support for HTTP. This can be one of the following:

• disabled—IPv4 HTTP support is not available.

• enabled—IPv4 HTTP support is available. This is the default option.

IPv6 HTTP Support

scope token-feature "HTTP BOOT"

scope token-param "IPV6HTTP"

Enables or disables IPv6 support for HTTP. This can be one of the following:

• disabled—IPv6 HTTP support is not available.

• enabled—IPv6 HTTP support is available. This is the default option.

Network Stack

scope token-feature "Network Stack"

scope token-param "NetworkStack"

This option allows you to monitor IPv6 and IPv4. This can be one of the following

• disabled—Network Stack support is not available.

  Note	When disabled, the value set for IPV4 PXE Support does not impact the system.

• enabled—Network Stack support is available. This is the default option.

SR-IOV Support

scope token-feature "sriov"

scope token-param "sriov-support"

Whether SR-IOV (Single Root I/O Virtualization) is enabled or disabled on the server. This can be one of the following:

• enabled—SR-IOV is enabled. This is the default option.

• disabled—SR-IOV is disabled.

Partial Cache Line Sparing

scope token-feature "Partial Cache Line Sparing"

scope token-param PartialCacheLineSparing

Partial cache line sparing (PCLS) is an error-prevention mechanism in memory controllers. PCLS statically encodes the locations of the faulty nibbles of bits into a sparing directory along with the corresponding data content for replacement during memory accesses. This can be one of the following:

• disabled—Support is disabled.

• enabled—Support is enabled.

UMA

scope token feature "UMA"

scope token-param UmaBasedClustering

Allows you to set UMA settings. This can be one of the following:

• disable-all2-all

• hemisphere-2-clusters

Memory Thermal Throttling Mode

scope token-feature "Memory Thermal Throttling Mode"

scope token-param MemoryThermalThrottling

Provides a protective mechanism to ensure the memory temperature is within the limits. When the temperature exceeds the maximum threshold value, the memory access rate is reduced and Baseboard Management Controller (BMC) adjusts the fan to cool down the memory to avoid DIMM damage due to overheat. This can be one of the following:

• CLTT with PECI —Closed Loop Thermal Throttling (CLTT) with Platform Environment Control Interface (PECI). This is the default option.

• disabled.

Enhanced Memory Test

scope token-feature "Advanced Memory Test"

scope token-param AdvancedMemTest

Enables enhanced memory tests during the system boot and increases the boot time based on the memory. This can be one of the following:

• auto—This is the default option.

  Note	It is recommended to leave this setting in the default state of auto.

• enabled

• disabled

Memory Refresh Rate

scope token-feature "Memory Refresh Rate"

scope token-param MemoryRefreshRate

Controls the refresh rate of the memory controller and might affect the memory performance and power depending on memory configuration and workload. This can be one of the following:

• 1x-refresh—3.9us. This is the default option.

• 2x-refresh—1.9us. This is the default option.

Panic and High Watermark

scope token-feature "Panic and High Watermark"

scope token-param PanicHighWatermark

Controls the delayed refresh capability of the memory controller. This can be one of the following:

• High—The memory controller is allowed to postpone up to a maximum of eight refresh commands. The memory controller executes all the postponed refreshes within the refresh interval. For the ninth refresh command, the refresh priority becomes Panic and the memory controller pauses the normal memory transactions until all the postponed refresh commands are executed.

• Low—This is the default option. The memory controller is not allowed to postpone refresh commands.

  Note	It is recommended to leave this setting in the default state (Low) which will help to reduce susceptibility to Rowhammer-style attacks.

Memory RAS configuration

set memory-ras-config ras-config

How the memory reliability, availability, and serviceability (RAS) is configured for the server. This can be one of the following:

• maximum-performance—Optimizes the system performance and disables all the advanced RAS features.

• mirroring—System reliability is optimized by using half the system memory as backup. This mode is used for UCS M4 and lower blade servers.

• lockstep—If the DIMM pairs in the server have an identical type, size, and organization and are populated across the SMI channels, you can enable lockstep mode to minimize memory access latency and provide better performance. Lockstep is enabled by default for B440 servers.

• Mirror Mode 1LM—Mirror Mode 1LM will set the entire 1LM memory in the system to be mirrored, consequently reducing the memory capacity by half. This mode is used for UCS M5 and M6 blade servers.

• Partial Mirror Mode 1LM—Partial Mirror Mode 1LM will set a part of the 1LM memory in the system to be mirrored, consequently reducing the memory capacity by half. This mode is used for UCS M5 and M6 blade servers.

• sparing—System reliability is optimized by holding memory in reserve so that it can be used in case other DIMMs fail. This mode provides some memory redundancy, but does not provide as much redundancy as mirroring.

• adddc-sparing—System reliability is optimized by holding memory in reserve so that it can be used in case other DIMMs fail. This mode provides some memory redundancy, but does not provide as much redundancy as mirroring.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

NUMA optimized

set numa-config numa-optimization

Whether the BIOS supports NUMA. This can be one of the following:

• disabled—The BIOS does not support NUMA.

• enabled—The BIOS includes the ACPI tables that are required for NUMA-aware operating systems. If you enable this option, the system must disable Inter-Socket Memory interleaving on some platforms.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Post Package Repair

scope token-feature "PostPackageRepair"

scope token-param PostPackageRepair

Post Package Repair (PPR) provides the ability to repair faulty memory cells by replacing them with spare cells. This can be one of the following:

• disabled—The BIOS does not support selecting PPR Type.

• hard-ppr—This results in a permanent remapping of damaged storage cells. This is the default option.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Memory Size Limit in GB

set memory-size-limit

Limits the capacity in Partial Memory Mirror Mode up to 50 percent of the total memory capacity. The memory size can range from 0 GB to 65535 GB in increments of 1 GB.

Mirroring Mode

set memory-mirroring-mode mirroring-mode

Memory mirroring enhances system reliability by keeping two identical data images in memory.

This option is only available if you choose the mirroring option for Memory RAS Config. It can be one of the following:

• inter-socket—Memory is mirrored between two Integrated Memory Controllers (IMCs) across CPU sockets.

• intra-socket—One IMC is mirrored with another IMC in the same socket.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Sparing Mode

set memory-sparing-mode sparing-mode

Sparing optimizes reliability by holding memory in reserve so that it can be used in case other DIMMs fail. This option provides some memory redundancy, but does not provide as much redundancy as mirroring. The available sparing modes depend on the current memory population.

This option is only available if you choose sparing option for Memory RAS Config. It can be one of the following:

• dimm-sparing—One DIMM is held in reserve. If a DIMM fails, the contents of a failing DIMM are transferred to the spare DIMM.

• rank-sparing—A spare rank of DIMMs is held in reserve. If a rank of DIMMs fails, the contents of the failing rank are transferred to the spare rank.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

LV DDR Mode

set lv-dimm-support-config lv-ddr-mode

Whether the system prioritizes low voltage or high frequency memory operations. This can be one of the following:

• auto—The CPU determines whether to prioritize low voltage or high frequency memory operations.

• power-saving-mode—The system prioritizes low voltage memory operations over high frequency memory operations. This mode may lower memory frequency in order to keep the voltage low.

• performance-mode—The system prioritizes high frequency operations over low voltage operations.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

DRAM Refresh Rate

set dram-refresh-rate-config dram-refresh

The refresh interval rate for internal memory. This can be one of the following:

• 1x

• 2x

• 3x

• 4x

• auto

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

DDR3 Voltage Selection

set ddr3-voltage-config ddr3-voltage

The voltage to be used by the dual-voltage RAM. This can be one of the following:

• ddr3-1500mv

• ddr3-1350mv

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Partial Memory Mirror Mode

set memory-mirroring-mode mirroring-mode

Partial Memory Mirroring enables you to partially mirror by GB or by a percentage of the memory capacity. Depending on the option selected here, you can define either a partial mirror percentage or a partial mirror capacity in GB in available fields. You can partially mirror up to 50 percent of the memory capacity. It can be one of the following:

• Disabled—Partial Memory Mode is disabled. This is the default option.

• Percentage—The amount of memory to be mirrored in the Partial Memory Mode is defined as a percentage of the total memory.

• Value in GB—The amount of memory to be mirrored in the Partial Memory Mode is defined in GB.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Partial Mirrors 1-4 can be used in any number or configuration, provided they do not exceed the capacity limit set in GB or Percentage in the related options.

Partial Mirror Percentage

Limits the amount of available memory to be mirrored as a percentage of the total memory. This can range from 0.000.01 % to 50.00 % in increments of 0.01 %.

Partial Mirror1 Size in GB

Limits the amount of memory in Partial Mirror1 in GB. This can range from 0 GB to 65535 GB in increments of 1 GB.

Partial Mirror2 Size in GB

Limits the amount of memory in Partial Mirror2 in GB. This can range from 0 GB to 65535 GB in increments of 1 GB.

Partial Mirror3 Size in GB

Limits the amount of memory in Partial Mirror3 in GB. This can range from 0 GB to 65535 GB in increments of 1 GB.

Partial Mirror4 Size in GB

Limits the amount of memory in Partial Mirror4 in GB. This can range from 0 GB to 65535 GB in increments of 1 GB.

Volatile Memory Mode

scope token-feature "VolMemoryMode"

scope token-param VolMemoryMode

Allows the memory mode configuration. This can be any of the following:

• 1lm—Configures 1 Layer Memory(1LM)

• 2lm—Configures 2 Layer Memory(1LM)

Memory Bandwidth Boost

scope token-feature "MemoryBandwidthBoost"

scope token-param MemoryBandwidthBoost

Allows to boost the memory bandwidth. This can be one of the following:

• enabled

• disabled

LLC Dead Line

scope token-feature "LLC Dead Line"

scope token-param LLCAlloc

In CPU non-inclusive cache scheme, Mid-Level Cache (MLC) evictions are filled into the Last-Level Cache (LLC). When lines are evicted from the MLC, the core can flag them as dead (not likely to be read again). The LLC has the option to drop dead lines and not fill them in the LLC. This can be one of the following:

• enabled—Allows the LLC to fill dead lines into the LLC if there is free space available. This is the default option.

• disabled—The dead lines are always dropped and are never filled into the LLC.

• auto—The CPU determines the LLC dead line allocation

XPT Remote Prefetch

scope token-feature "XPT Remote Prefetch"

scope token-param XPTRemotePrefetch

This feature allows an LLC request to be duplicated and sent to an appropriate memory controller in a remote machine based on the recent LLC history to reduce latency. This can be one of the following:

• enabled

• disabled

• auto—The CPU determines the functionality. This is the default option.

Virtual NUMA

scope token-feature "Virtual Numa"

scope token-param VirtualNuma

The Virtual NUMA (virtual non-uniform memory access) is a memory-access optimization method for VMware virtual machines (VMs), which helps prevent memory-bandwidth bottlenecks. This can be one of the following:

• enabled—The functionality is enabled.

• disabled—The functionality is disabled. This is the default option.

Above 4G Decoding

scope token-feature "Above 4G Decoding"

scope token-param Above 4G Decoding

Enables or disables MMIO above 4GB or not. This can be one of the following:

• enabled—The server maps I/O of 64-bit PCI devices to 4GB or greater address space. This is the default option.

• disabled—The server does not map I/O of 64-bit PCI devices to 4GB or greater address space.

Select PPR Type

scope token-feature "select ppr type"

Supports Hard-PPR, which permanently remaps accesses from a designated faulty row to a designated spare row.

• hard ppr—Support is enabled. This is the default option.

  Note	Hard PPR can be used only when Memory RAS Configuration is set to ADDDC Sparing. For other RAS selections, this setting should be set to Disabled.

• disabled—Support is disabled.

Select Memory RAS Configuration

scope token-feature "select memory ras configuration"

Determines how the memory reliability, availability, and serviceability (RAS) is configured for the server. This can be one of the following:

• Mirror Mode 1LM—System reliability is optimized by using half the system memory as backup.

• ADDDC sparing—Adaptive virtual lockstep is an algorithm implemented in the hardware and firmware to support the ADDDC mode. When selected, the system performance is optimized till the algorithm is activated. The algorithm is activated in case of DRAM device failure. Once the algorithm is activated, the virtual lockstep regions are activated to map out the failed region during run-time dynamically, and the performance impact is restricted at a region level. This is the default option.

• Partial Mirror Mode 1LM—Partial DIMM Mirroring creates a mirrored copy of a specific region of memory cells, rather than keeping the complete mirror copy. Partial Mirroring creates a mirrored region in memory map with the attributes of a partial mirror copy. Up to 50% of the total memory capacity can be mirrored, using up to 4 partial mirrors.

• maximum performance—System performance is optimized.

NUMA

scope token-feature "numa"

Whether the BIOS supports Non-Uniform Memory Access (NUMA). This can be one of the following:

• enabled—Support is enabled.

• disabled—Support is disabled.

CR FastGo Config

set CrfastgoConfig

CR FastGo Config improves DDRT non-temporal write bandwidth when FastGO is disabled. When FastGO is enabled, it gives faster flow of NT writes into the uncore, When FastGO is disabled, it lessens NT writes queueing up in the CPU uncore, thereby improving sequentially at DCPMM, resulting in improved bandwidth.

Applies to all Cisco UCS M5 and Cisco UCS M6 servers.

The values can be one of the following:

• auto—Same as Option 1. Disables FastGO. Recommended for DDRT. This is the default option (not Default).

• default—Enables FastGO.

• option 1—Disables FastGO.

• option 2, option 3, option 4, option 5—Not applicable.

• enable optimization

• disable optimization

CR QoS

set crqos

Prevents DRAM and overall system BW drop in the presence of concurrent DCPMM BW saturating threads, with minimal impact to homogenous DDRT-only usages, Good for multi-tenant use cases, VMs, etc. Targeted for App Direct, but also improves memory mode. Targets the “worst-case” degradations.

Applies to all M5 and M6 servers.

The values can be one of the following:

• disabled—Feature disabled. This is the default option.

• recipe 1—6 modules, 4 modules per socket optimized

• recipe 2—2 modules per socket optimized

• recipe 3—1 module per socket optimized

• mode 0 - disable the pmem qos feature

• mode 1 - m2m qos enable;cha qos disable

• mode 2 - m2m qos enable;cha qos enable

eADR Support

scope token-feature "EadrSupport"

scope token-param EadrSupport

Extended asynchronous DRAM refresh (eADR) ensures that CPU caches lines with data are flushed at the right time and in the desired order and are also included in the power fail protected domain. This can be any of the following:

• enabled

• disabled

• auto—This is the default option.

NVM Performance Setting

set NvmdimmPerformConfig

NVM Performance Setting enables efficient major mode arbitration between DDR and DDRT transactions on the DDR channel to optimize channel BW and DRAM latency.

Applies to all M5 and M6 servers.

The values can be one of the following:

• BW Optimized—Optimized for DDR and DDRT BW. This is the default option.

• Latency Optimized—Better DDR latency in the presence of DDRT BW.

• Balanced Profile—Optimized for Memory mode.

Snoopy mode for 2LM

set SnoopyModeFor2LM

Enables snoop-mode for DCPMM accesses while maintaining directory on all DRAM accesses. Snoops maintain cache coherence between sockets. Directory reduces snoops by keeping the remote node information locally (in memory). Directory lookups and updates add memory traffic.

Directory is a good tradeoff for DRAM, but not necessarily for DCPMM. For non-NUMA workload, when the feature is enabled, directory updates to DCPMM are eliminated, thereby helping DDRT bandwidth bound workloads. Directory is disabled for far memory accesses and instead snoops remote sockets to check for ownership. Directory is used only for DRAM (near memory).

• enabled

• disabled—This is the default option.

Snoopy mode for AD

set SnoopyModeForAD

Enables snoop-mode for DCPMM accesses while maintaining directory on all DRAM accesses. Snoops maintain cache coherence between sockets. Directory reduces snoops by keeping the remote node information locally (in memory). Directory lookups and updates add memory traffic.

Directory is a good tradeoff for DRAM, but not necessarily for DCPMM. For non-NUMA workload, when the feature is enabled, directory updates to DCPMM are eliminated, thereby helping DDRT bandwidth bound workloads. Directory is disabled for accesses to AD and instead snoops remote sockets to check for ownership. Directory is used only for DRAM accesses.

• enabled

• disabled—This is the default option.

NVM Performance Setting

set NvmdimmPerformConfig

NVM Performance Setting enables efficient major mode arbitration between DDR and DDRT transactions on the DDR channel to optimize channel BW and DRAM latency.

Applies to all M5 and M6 servers.

The values can be one of the following:

• BW Optimized—Optimized for DDR and DDRT BW. This is the default option.

• Latency Optimized—Better DDR latency in the presence of DDRT BW.

• Balanced Profile—Optimized for Memory mode.

CR QoS

set crqos

Prevents DRAM and overall system BW drop in the presence of concurrent DCPMM BW saturating threads, with minimal impact to homogenous DDRT-only usages, Good for multi-tenant use cases, VMs, etc. Targeted for App Direct, but also improves memory mode. Targets the “worst-case” degradations.

Applies to all M5 and M6 servers.

The values can be one of the following:

• disabled—Feature disabled. This is the default option.

• recipe 1—6 modules, 4 modules per socket optimized

• recipe 2—2 modules per socket optimized

• recipe 3—1 module per socket optimized

• mode 0 - disable the pmem qos feature

• mode 1 - m2m qos enable;cha qos disable

• mode 2 - m2m qos enable;cha qos enable

CR FastGo Config

set CrfastgoConfig

CR FastGo Config improves DDRT non-temporal write bandwidth when FastGO is disabled. When FastGO is enabled, it gives faster flow of NT writes into the uncore, When FastGO is disabled, it lessens NT writes queueing up in the CPU uncore, thereby improving sequentially at DCPMM, resulting in improved bandwidth.

Applies to all Cisco UCS M5 and Cisco UCS M6 servers.

The values can be one of the following:

• auto—Same as Option 1. Disables FastGO. Recommended for DDRT. This is the default option (not Default).

• default—Enables FastGO.

• option 1—Disables FastGO.

• option 2, option 3, option 4, option 5—Not applicable.

• enable optimization

• disable optimization

Snoopy mode for AD

set SnoopyModeForAD

Enables snoop-mode for DCPMM accesses while maintaining directory on all DRAM accesses. Snoops maintain cache coherence between sockets. Directory reduces snoops by keeping the remote node information locally (in memory). Directory lookups and updates add memory traffic.

Directory is a good tradeoff for DRAM, but not necessarily for DCPMM. For non-NUMA workload, when the feature is enabled, directory updates to DCPMM are eliminated, thereby helping DDRT bandwidth bound workloads. Directory is disabled for accesses to AD and instead snoops remote sockets to check for ownership. Directory is used only for DRAM accesses.

• enabled

• disabled This is the default option.

Snoopy mode for 2LM

set SnoopyModeFor2LM

Enables snoop-mode for DCPMM accesses while maintaining directory on all DRAM accesses. Snoops maintain cache coherence between sockets. Directory reduces snoops by keeping the remote node information locally (in memory). Directory lookups and updates add memory traffic.

Directory is a good tradeoff for DRAM, but not necessarily for DCPMM. For non-NUMA workload, when the feature is enabled, directory updates to DCPMM are eliminated, thereby helping DDRT bandwidth bound workloads. Directory is disabled for far memory accesses and instead snoops remote sockets to check for ownership. Directory is used only for DRAM (near memory).

• enabled

• disabled This is the default option.

eADR Support

scope token-feature "EadrSupport"

scope token-param EadrSupport

Extended asynchronous DRAM refresh (eADR) ensures that CPU caches lines with data are flushed at the right time and in the desired order and are also included in the power fail protected domain. This can be any of the following:

• enabled

• disabled

• auto—This is the default option.

Serial port A enable

set serial-port-a-config serial-port-a

Whether serial port A is enabled or disabled. This can be one of the following:

• disabled—The serial port is disabled.

• enabled—The serial port is enabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Make Device Non Bootable

set usb-boot-config make-device-non-bootable

Whether the server can boot from a USB device. This can be one of the following:

• disabled—The server can boot from a USB device.

• enabled—The server cannot boot from a USB device.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Legacy USB Support

set usb-boot-config legacy-support

Whether the system supports legacy USB devices. This can be one of the following:

• disabled—USB devices are only available to EFI applications.

• enabled—Legacy USB support is always available.

• auto—Disables legacy USB support if no USB devices are connected.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

USB Idle Power Optimizing Setting

set usb-system-idle-power-optimizing-setting-config usb-idle-power-optimizing

Whether the USB Idle Power Optimizing setting is used to reduce USB EHCI idle power consumption. Depending upon the value you choose, this setting can have an impact on performance. This can be one of the following:

• high-performance—The USB System Idle Power Optimizing setting is disabled, because optimal performance is preferred over power savings.

  Selecting this option can significantly improve performance. We recommend you select this option unless your site has server power restrictions.

• lower-idle-power—The USB System Idle Power Optimizing setting is enabled, because power savings are preferred over optimal performance.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

USB Front Panel Access Lock

set usb-front-panel-access-lock-config usb-front-panel-lock

USB front panel access lock is configured to enable or disable the front panel access to USB ports. This can be one of the following:

• disabled

• enabled

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Port 60/64 Emulation

set usb-port-config usb-emulation

Whether the system supports 60h/64h emulation for complete USB keyboard legacy support. This can be one of the following:

• disabled—60h/64 emulation is not supported.

• enabled—60h/64 emulation is supported.

  You should select this option if you are using a non-USB aware operating system on the server.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

USB Port Front

set usb-port-config usb-front

Whether the front panel USB devices are enabled or disabled. This can be one of the following:

• disabled—Disables the front panel USB ports. Devices connected to these ports are not detected by the BIOS and operating system.

• enabled—Enables the front panel USB ports. Devices connected to these ports are detected by the BIOS and operating system.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

USB Port Internal

set usb-port-config usb-internal

Whether the internal USB devices are enabled or disabled. This can be one of the following:

• disabled—Disables the internal USB ports. Devices connected to these ports are not detected by the BIOS and operating system.

• enabled—Enables the internal USB ports. Devices connected to these ports are detected by the BIOS and operating system.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

USB Port KVM

set usb-port-config usb-kvm

Whether the vKVM ports are enabled or disabled. This can be one of the following:

• disabled—Disables the KVM keyboard and/or mouse devices. Keyboard and/or mouse will not work in the KVM window.

• enabled—Enables the KVM keyboard and/or mouse devices.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

USB Port Rear

set usb-port-config usb-rear

Whether the rear panel USB devices are enabled or disabled. This can be one of the following:

• disabled—Disables the rear panel USB ports. Devices connected to these ports are not detected by the BIOS and operating system.

• enabled—Enables the rear panel USB ports. Devices connected to these ports are detected by the BIOS and operating system.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

USB Port SD Card

set usb-port-config usb-sdcard

Whether the SD card drives are enabled or disabled. This can be one of the following:

• disabled—Disables the SD card drives. The SD card drives are not detected by the BIOS and operating system.

• enabled—Enables the SD card drives.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

USB Port VMedia

set usb-port-config usb-vmedia

Whether the virtual media devices are enabled or disabled. This can be one of the following:

• disabled—Disables the vMedia devices.

• enabled—Enables the vMedia devices.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

All USB Devices

set all-usb-devices-config all-usb

Whether all physical and virtual USB devices are enabled or disabled. This can be one of the following:

• disabled—All USB devices are disabled.

• enabled—All USB devices are enabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

xHCI Mode

set usb-configuration-select-config xhci-enable-disable

Whether xHCI mode is enabled or disabled. This can be one of the following:

• disabled—xHCI mode is disabled.

• enabled—xHCI mode is enabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

USB Port:M.2 Storage

set usb port:m.2

Whether the USB Port:M.2 Storage are enabled or disabled. This can be one of the following:

• disabled—Disables USB Port:M.2 Storage.

• enabled—Enables USB Port:M.2 Storage. This is the default option.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Maximum memory below 4GB

set max-memory-below-4gb-config max-memory

Whether the BIOS maximizes memory usage below 4GB for an operating system without PAE support, depending on the system configuration. This can be one of the following:

• disabled—Does not maximize memory usage. Choose this option for all operating systems with PAE support.

• enabled—Maximizes memory usage below 4GB for an operating system without PAE support.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Memory mapped IO above 4GB

set memory-mapped-io-above-4gb-config memory-mapped-io

Whether to enable or disable memory mapped I/O of 64-bit PCI devices to 4GB or greater address space. Legacy option ROMs are not able to access addresses above 4GB. PCI devices that are 64-bit compliant but use a legacy option ROM may not function correctly with this setting enabled. This can be one of the following:

• disabled—Does not map I/O of 64-bit PCI devices to 4GB or greater address space.

• enabled—Maps I/O of 64-bit PCI devices to 4GB or greater address space.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

VGA Priority

set vga-priority-config vga-priority

Allows you to set the priority for VGA graphics devices if multiple VGA devices are found in the system. This can be one of the following:

• onboard—Priority is given to the onboard VGA device. BIOS post screen and OS boot are driven through the onboard VGA port.

• offboard—Priority is given to the PCIE Graphics adapter. BIOS post screen and OS boot are driven through the external graphics adapter port.

• onboard-vga-disabled—Priority is given to the PCIE Graphics adapter, and the onboard VGA device is disabled.

  Note	The vKVM does not function when the onboard VGA is disabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

ASPM Support

set aspm-support-config aspm-support

Allows you to set the level of ASPM (Active Power State Management) support in the BIOS. This can be one of the following:

• disabled—ASPM support is disabled in the BIOS.

• auto—The CPU determines the power state.

• forcel0—Force all links to L0 standby (L0s) state.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

BME DMA Mitigation Support

set bme-dma-config

Allows you to disable the PCI BME bit to mitigate the threat from an unauthorized external DMA. This can be one of the following:

• disabled—PCI BME bit is disabled in the BIOS.

• enabled—PCI BME bit is enabled in the BIOS.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

QPI Link Frequency Select

set qpi-link-frequency-select-config qpi-link-freqency-mt-per-sec

The Intel QuickPath Interconnect (QPI) link frequency, in megatransfers per second (MT/s). This can be one of the following:

• 6400

• 7200

• 8000

• 9600

• auto—The CPU determines the QPI link frequency.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

QPI Snoop Mode

set qpi-snoop-mode vpqpisnoopmode

This can be one of the following:

• home-snoop—The snoop is always spawned by the home agent (centralized ring stop) for the memory controller. This mode has a higher local latency than early snoop, but it provides extra resources for a larger number of outstanding transactions.

• cluster-on-die—This mode is available only for processors that have 10 or more cores. It is the best mode for highly NUMA optimized workloads.

• home-directory-snoop-with-osb

• early-snoop—The distributed cache ring stops can send a snoop probe or a request to another caching agent directly. This mode has lower latency and it is best for workloads that have shared data sets across threads and can benefit from a cache-to-cache transfer, or for workloads that are not NUMA optimized.

• auto —The CPU determines the QPI Snoop mode.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Trusted Platform Module (TPM) Support

set trusted-platform-module-config tpm-support

Whether to enable or disable the Trusted Platform Module (TPM), which is a component that securely stores artifacts that are used to authenticate the server. This can be one of the following:

• disabled—Disables TPM.

• enabled—Enables TPM.

• platform-default—Enables TPM.

Intel Trusted Execution Technology (TXT) Support

set intel-trusted-execution-technology-config txt-support

Whether to enable or disable Intel Trusted Execution Technology (TXT), which provides greater protection for information that is used and stored on the business server. This can be one of the following:

• disabled—Disables TXT. This is default option.

• enabled—Enables TXT.

• platform-default—Disables TXT.

When you only enable TXT, it implicitly enables TPM, VT, and VTDio.

SHA-1 PCR Bank

scope token-feature "Trusted Platform Module"

scope token-param SHA1PCRBank

The Platform Configuration Register (PCR) is a memory location in the TPM. Multiple PCRs are collectively referred to as a PCR bank. A Secure Hash Algorithm 1 or SHA-1 PCR Bank allows to enable or disable TPM security. This can be one of the following:

• disabled—Disables SHA-1 PCR Bank.

• enabled—Enables SHA-1 PCR Bank. This is the default option.

SHA-256 PCR Bank

scope token-feature "Trusted Platform Module"

scope token-param SHA256PCRBank

The Platform Configuration Register (PCR) is a memory location in the TPM. Multiple PCRs are collectively referred to as a PCR bank. A Secure Hash Algorithm 256-bit or SHA-256 PCR Bank allows to enable or disable TPM security. This can be one of the following:

• disabled—Disables SHA-256 PCR Bank.

• enabled—Enables SHA-256 PCR Bank. This is the default option.

Trusted Platform Module State

scope token-feature "Trusted Platform Module"

scope token-param "Trusted Platform Module state"

Trusted Platform Module (TPM ) is a microchip designed to provide basic security-related functions primarily involving encryption keys. This option allows you to control the TPM Security Device support for the system. This can be one of the following:

• disabled—The server does not use the TPM.

• enabled—The server uses the TPM. This is the default option.

TPM Pending Operation

scope token-feature "TPM Pending Operation"

scope token-param "TPM Pending Operation"

Trusted Platform Module (TPM) Pending Operation option allows you to control the status of the pending operation. This can be one of the following:

• none—No action. This is the default option.

• tpmclear—Clear the pending operations.

TPM Minimal Physical Presence

scope token-feature "Trusted Platform Module"

# scope token-param TpmPpiRequired

# show token-settings expand

Whether to enable or disable TPM Minimal Physical Presence, which enables or disables the communication between the OS and BIOS for administering the TPM without compromising the security. This can be one of the following:

• disabled—Disables TPM Minimal Physical Presence. This is default option.

• enabled—Enables TPM Minimal Physical Presence.

• platform-default—Disables TPM Minimal Physical Presence.

DMA Control Opt-In Flag

scope token-feature "Trusted Platform Module"

# scope token-param "DmaCtrlOptIn"

token-param # show token-settings

Enabling this token enables Windows 2022 Kernel DMA Protection feature. The OS treats this as a hint that the IOMMU should be enabled to prevent DMA attacks from possible malicious devices. This can be one of the following:

• disabled—Disables DMA Control Opt-In Flag. This is default option.

• enabled—Enables DMA Control Opt-In Flag.

• platform-default—Disables DMA Control Opt-In Flag.

Security Dev. Support

set TpmSupport

Enables or disables BIOS support for the security device. This can be one of the following:

• disabled—OS will not show the security device.

• enabled—OS will show the security device. This is default option.

PCIe Slot SAS OptionROM

set slot-option-rom-enable-config pcie-sas

Whether Option ROM is available on the SAS port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe Slot n Link Speed

set slot-link-speed-config pcie-slotn-link-speed

This option allows you to restrict the maximum speed of an adapter card installed in PCIe slot n. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• gen4—16GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically. This is the default option.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe Slot n OptionROM

set slot-option-rom-enable-config slotn-option-rom-enable

Whether Option ROM is available on the port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available. This is the default option.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe Slot HBA OptionROM

set slot-option-rom-enable-config pcie-hba

Whether Option ROM is available on the HBA port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe Slot MLOM OptionROM

set slot-option-rom-enable-config pcie-mlom

Whether Option ROM is available on the MLOM port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe Slot Nx OptionROM

set slot-option-rom-enable-config pcie-nx

Whether Option ROM is available on the port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe 10G LOM 2 Link

set lom-ports-config pcie-lom2-link

Whether Option ROM is available on the 10G LOM port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCI ROM CLP

set pci-rom-clp-support pci-rom-clp-config

PCI ROM Command Line Protocol (CLP) controls the execution of different Option ROMs such as PxE and iSCSI that are present in the card. By default, it is disabled.

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SIOC1 Option ROM

set sioc1-optionrom-config sioc1-optionrom

Whether the server can use Option ROM present in System IO Controller 1 (SIOC1). This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SIOC2 Option ROM

set sioc2-optionrom-config sioc2-optionrom

Whether the server can use Option ROM present in System IO Controller 2 (SIOC2). This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SBMEZZ1 Option ROM

set sbmezz1-optionrom-config sbmezz1-optionrom

Whether the server can use Option ROM present in SBMezz1 controller. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SBMEZZ2 Option ROM

set sbmezz2-optionrom-config sbmezz2-optionrom

Whether the server can use Option ROM present in SBMezz2 controller. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

IOESlot1 OptionROM

set ioeslot1-optionrom-config ioeslot1-optionrom

Whether option ROM is enabled on the IOE slot 1. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

IOEMEZZ 1 OptionROM

set ioemezz1-optionrom-config ioemezz1-optionrom

Whether option ROM is enabled on the IOE Mezz1. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

IOE Slot2 Option ROM

set ioeslot2-optionrom-config ioeslot2-optionrom

Whether option ROM is enabled on the IOE slot 2. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

IO ENVME1 Option ROM

set ioenvme1-optionrom-config ioenvme1-optionrom

Whether option ROM is enabled on the IOE NVMe1. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

IO ENVME2 Option ROM

set ioenvme2-optionrom-config ioenvme2-optionrom

Whether option ROM is enabled on the IOE NVMe2. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SBNVME1 Option ROM

set sbnvme1-optionrom-config sbnvme1-optionrom

Whether the server can use Option ROM present in SBNVMe1 controller. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe Slot MRAID-n OptionROM

set Pcie SlotMRAID nOptionROM

Whether Option ROM is available on the MRAID port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe Slot RAID OptionROM

set Pcie SlotRAIDOptionROM

Whether Option ROM is available on the RAID port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Rear NVME n Link Speed

set Pcie SlotRearNvme1LinkSpeed

This option allows you to restrict the maximum speed of an NVME card installed in the rear PCIe slot n. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• gen4—16GT/s is the maximum speed allowed.

• enabled—The maximum speed is restricted.

  Note	For Rear NVME 1 Link Speed and Rear NVME 2Link Speed, the value enabled is not supported on Cisco UCS M6 servers. For Rear NVME 3 Link Speed and Rear NVME 4Link Speed, the value enabled is available but has no effect at the BIOS level if selected.

• auto—The maximum speed is set automatically.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Front NVME n Link Speed

set Pcie SlotFrontNvmenLinkSpeed

This option allows you to restrict the maximum speed of an NVME card installed in the front PCIe slot. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• gen4—16GT/s is the maximum speed allowed.

• gen5—32GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically. This is the default option.

• enabled—The maximum speed is restricted.

  Note	For Front NVME 1 Link Speed and Front NVME 2 Link Speed, the value enabled is available but not supported on Cisco UCS M6 servers.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

HBA Link Speed

set HBALinkSpeed

This option allows you to restrict the maximum speed of an HBA card. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

MLOM Link Speed

set Pcie SlotMLOMLinkSpeed

This option allows you to restrict the maximum speed of an MLOM adapter. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• gen4—16GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically. This is the default option.

• disabled—The maximum speed is not restricted.

• enabled—The maximum speed is restricted.

  Note	The value enabled is not supported on Cisco UCS M6 servers.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

MRAID Link Speed

scope token-feature "Pcie Slot Link Speed"

scope token-param PcieSlotMRAIDLinkSpeed

This option allows you to restrict the maximum speed of MRAID. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• gen4—16GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically.

• enabled—The maximum speed is not restricted.

  Note	The value enabled is not supported on Cisco UCS M6 servers.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

RAID-n Link Speed

set Pcie SlotRAIDLinkSpeed

This option allows you to restrict the maximum speed of RAID. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• gen4—16GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

All Onboard LOM

set AllLomPortControl

Whether all onboard LOM ports are enabled or disabled. This can be one of the following:

• enabled—All onboard LOM are enabled.

• disabled—All onboard LOM are disabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

LOM Port 1 OptionRom

set LomOpromControlPort0

Whether Option ROM is available on the LOM port 1. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

LOM Port 2 OptionRom

set LomOpromControlPort1

Whether Option ROM is available on the LOM port 2. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Slot n State

set SlotnState

The state of the adapter card installed in PCIe slot n. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• uefi-only—The expansion slot is available for UEFI only.

• legacy-only—The expansion slot is available for legacy only.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SBNVMe1 OptionROM

set SBNVMe1OptionROM

Whether the server can use Option ROM present in SBNVMe1 controller. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SBNVMe2 OptionROM

set SBNVMe2OptionROM

Whether the server can use Option ROM present in SBNVMe2 controller. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SIOCNVMe1 OptionROM

set SIOCNVMe1OptionROM

Whether the server can use Option ROM present in SIOCNVMe1 controller. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SIOCNVMe2 OptionROM

set SIOCNVMe2OptionROM

Whether the server can use Option ROM present in SIOCNVMe2 controller. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SBLom1 OptionROM

set SBLom1OptionROM

Whether the server can use Option ROM present in the SBLom1 controller. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SBNVMen Link Speed

set SBNVMenLinkSpeed

Link speed for SBNVMe slot n. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• enabled—The maximum speed is restricted.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SIOCNVMen Link Speed

set SIOCNVMenLinkSpeed

Link speed for SIOCNVMe slot n. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• enabled—The maximum speed is restricted.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SIOCn Link Speed

set SIOCnLinkSpeed

Link speed for SIOC slot n. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• enabled—The maximum speed is restricted.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SBMezzn Link Speed

set SBMezznLinkSpeed

Link speed for SBMezz slot n. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• enabled—The maximum speed is restricted.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

IOESlotn Link Speed

set IOESlotnLinkSpeed

Link speed for IOE slot n. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• enabled—The maximum speed is restricted.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

IOEMezzn Link Speed

set IOEMezznLinkSpeed

Link speed for IOEMezz slot n. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• enabled—The maximum speed is restricted.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

IOENVMen Link Speed

set IOENVMenLinkSpeed

Link speed for IOENVMe slot n. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• enabled—The maximum speed is restricted.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

CDN Support for LOMs

set CdnSupport

Whether the Ethernet Networking Identifier naming convention is according to Consistent Device Naming (CDN) or the traditional way of naming conventions. This can be one of the following:

• enabled—OS Ethernet Network Identifier is named in a consistent device naming (CDN) convention according to the physical LAN on Motherboard (LOM) port numbering; LOM Port 0, LOM Port 1 and so on.

• disabled—OS Ethernet Networking Identifier is named in a default convention as ETH0, ETH1 and so on. By default, CDN option is disabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

VMD Enable

set VMDEnable

Whether NVMe SSDs that are connected to the PCIe bus can be hot swapped. It also standardizes the LED status light on these drives. LED status lights can be optionally programmed to display specific Failure indicator patterns.

This can be one of the following:

• enabled—Hot swap of NVMe SSDs that are connected to the PCIe bus is allowed.

• disabled—Hot swap of NVMe SSDs that are connected to the PCIe bus is not allowed.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

ACS Control SLOT-n

set ACSCtlSlotn

n = 11 to 14

Access Control Services (ACS) allow the processor to enable or disable peer-to-peer communication between multiple devices for Control Slot n. This can be one of the following:

• enabled— Enables peer-to-peer communication between multiple devices for Control Slot n.

• disabled— Disables peer-to-peer communication between multiple devices for Control Slot n.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe Slot GPUn OptionROM

Only for Cisco UCS C480 M5 ML Server

Whether the Option ROM is enabled on GPU slot n. n is the slot number, which can be numbered 1 through 8. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

ACS Control GPU-n

set ACSCtlGpun

n = 1 to 8

Access Control Services (ACS) allow the processor to enable or disable peer-to-peer communication between multiple devices for GPUs. This can be one of the following:

• disabled— Enables peer-to-peer communication between multiple devices for GPUs.

• enabled— Disables peer-to-peer communication between multiple devices for GPUs.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe PLL SSC

Reduces EMI interference by down-spreading the clock by 0.5%.

Disable this feature to centralize the clock without spreading.

For all Cisco UCS M5 and M6 servers, this option is Disabled by default.

• disabled— Clock is centralized without spreading.

• auto— EMI interference is auto adjusted.

• zeropointfive— EMI interference us reduced by down-spreading the clock by 0.5%.

• platform-default— The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Front Nvme n OptionROM

scope token-feature "PCI Slot OptionROM Enable"

scope token-param PcieSlotFrontNvme nOptionROM

This options allows you to control the Option ROM execution of the PCIe adapter connected to the SSD:NVMe slot n. This can be one of the following:

• enabled—This is the default option.

• disabled

PCIe Slot n Link Speed

scope token-feature "PCI Slot LINK Speed"

scope token-param PcieSlotLinkSpeed

Link speed for PCIe Slot designated by slot n. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• gen4—16GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically.

• disabled—The maximum speed is not restricted.

MSTOR-RAID Link Speed

sc token-feature "PCI Slot LINK Speed"

sc token-param PcieSlotMSTORRAIDLinkSpeed

This option allows you to restrict the maximum speed of an MSTOR adapter. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• gen4—16GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically.

• disabled—The maximum speed is not restricted.

MSTOR-RAID OptionROM

sc token-feature "MSTOR-RAID OptionROM"

sc token-param PcieSlotMSTORRAIDoptionROM

Whether the server can use the Option ROMs present in the PCIe MSTOR RAID. This can be any of the following:

• disabled—Option ROM is available.

• enabled—Option ROM is not available. This is the default option.

MLOM OptionROM

set slot-option-rom-enable-config pcie-mlom

Whether Option ROM is available on the MLOM port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available. This is the default option.

MRAID OptionROM

set Pcie SlotMRAID OptionROM

Whether Option ROM is available on the MRAID port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available. This is the default option.

Rear Nvme n OptionRom

set RearNvmenOptionROM

Whether Option ROM is available on the Rear NVMEn port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available. This is the default option.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

PCIe slot MSTOR Link Speed

sc token-feature "PCI Slot LINK Speed"

sc token-param PcieSlotMSTORRAIDLinkSpeed

This option allows you to restrict the maximum speed of an MSTOR adapter. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• gen4—16GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically. This is the default option.

• disabled—The maximum speed is not restricted.

PCIe Slot MSTOR RAID OptionROM

scope token-feature "pcie MSTOR-RAID OptionROM"

sc token-param PcieSlotMSTORRAIDoptionROM

Whether the server can use the Option ROMs present in the PCIe MSTOR RAID. This can be any of the following:

• disabled—Option ROM is available.

• enabled—Option ROM is not available. This is the default option.

PCIe RAS Support

sc token-feature "pcie ras-support"

Whether PCIe RAS Support is available on the PCIe slot. This can be one of the following:

• disabled—PCIe RAS is available on the slot.

• enabled—PCIe RAS is not available on the slot. This is the default option.

MRAID n Link Speed

scope token-feature "Pcie Slot Link Speed"

scope token-param PcieSlotMRAIDLinkSpeed

This option allows you to restrict the maximum speed of MRAID. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• gen4—16GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically. This is the default option.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

MRAIDn OptionROM

scope token-feature "Pcie Slot OptionROM"

scope token-param PcieSlotOptionROM

Whether Option ROM is available on the MRAID port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available. This is the default option.

NVME-n OptionROM

scope token-feature "Pcie Slot OptionROM"

scope token-param PcieSlotOptionROM

Whether Option ROM is available on the NVME port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available. This is the default option.

PCIe Slot OCP Link Speed

scope token-feature "Pcie Slot ocp Link Speed"

scope token-param PcieSlotocpLinkSpeed

This option allows you to restrict the maximum speed of OCP. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically. This is the default option.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

RAIDn OptionROM

scope token-feature "raid optionrom"

scope token-param raidoptionrom

Whether Option ROM is available on the RAID port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available. This is the default option.

IOENVMen OptionROM

scope token-feature "ioenvme optionrom"

scope token-param ioenvmeoptionrom

Whether Option ROM is available on the IOENVMe port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available. This is the default option.

GPUn OptionRom

scope token-feature "ioemezz1 optionrom"

scope token-param ioemezz1optionrom

Whether Option ROM is available on the GPU port. This can be one of the following:

• disabled—The expansion slot is not available.

• enabled—The expansion slot is available. This is the default option.

RAID Link Speed

scope token-feature "raid link speed"

scope token-param RAIDLinkSpeed

This option allows you to restrict the maximum speed of RAID. This can be one of the following:

• gen1—2.5GT/s (gigatransfers per second) is the maximum speed allowed.

• gen2—5GT/s is the maximum speed allowed.

• gen3—8GT/s is the maximum speed allowed.

• auto—The maximum speed is set automatically. This is the default option.

• enabled—The maximum speed is not restricted.

  Note	The value enabled is not supported on Cisco UCS M6 servers.

• disabled—The maximum speed is not restricted.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

External SSC enable

This option allows you to Enable/Disable the Clock Spread Spectrum of the external clock generators.

For Cisco B-Series M5 and M6servers and S-Series M5 servers, this option is Disabled by default. For Cisco C-Series rack servers, it is enabled by default.

• disabled— Clock Spread Spectrum support is not available.

• enabled— Clock Spread Spectrum support is always available.

• platform-default — The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Integrated Graphics

set integrated-graphics-config integrated-graphics

Enables integrated graphics. This can be one of the following:

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

• enabled—Integrated graphic is enabled.

• disabled—Integrated graphics is disabled.

Integrated Graphics Aperture Size

set integrated-graphics-aperture-config integrated-graphics-aperture

Allows you to set the size of mapped memory for the integrated graphics controller. This can be one of the following:

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

• 128mb

• 256mb

• 512mb

• 1024mb

• 2048mb

• 4096mb

Onboard Graphics

set onboard-graphics-config onboard-graphics

Enables onboard graphics (KVM). This can be one of the following:

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

• enabled—Onboard graphics is enabled.

• disabled—Onboard graphics is disabled.

Boot option retry

set boot-option-retry-config retry

Whether the BIOS retries NON-EFI based boot options without waiting for user input. This can be one of the following:

• disabled—Waits for user input before retrying NON-EFI based boot options. This is the default option.

• enabled—Continually retries NON-EFI based boot options without waiting for user input.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SAS RAID

set intel-entry-sas-raid-config sas-raid

Whether the Intel SAS Entry RAID Module is enabled. This can be one of the following:

• disabled—The Intel SAS Entry RAID Module is disabled.

• enabled—The Intel SAS Entry RAID Module is enabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

SAS RAID module

set intel-entry-sas-raid-config sas-raid-module

How the Intel SAS Entry RAID Module is configured. This can be one of the following:

• it-ir-raid—Configures the RAID module to use Intel IT/IR RAID.

• intel-esrtii—Configures the RAID module to use Intel Embedded Server RAID Technology II.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Onboard SCU Storage Support

set onboard-sas-storage-config onboard-sas-ctrl

Whether the onboard software RAID controller is available to the server. This can be one of the following:

• disabled—The software RAID controller is not available.

• enabled—The software RAID controller is available.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Cool Down Time (sec)

The time to wait (in seconds) before the next boot attempt. This can be one of the following:

• 15—System waits for 15 seconds before the next boot attempt.

• 45—System waits for 45 seconds before the next boot attempt.

• 90—System waits for 90 seconds before the next boot attempt. This is the default option.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

This token is valid only when the Boot Option Retry token has been enabled.

Number of Retries

Number of attempts to boot. This can be one of the following:

• infinite—System tries all options to boot up.

• 13—System tries 13 times to boot up. This is the default option.

• 5—System tries 5 times to boot up

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

P-SATA mode

This options allows you to select the P-SATA mode. This can be one of the following:

• disabled—P-SATA mode is disabled.

• lsi-sw-raid—Sets both SATA and sSATA controllers to RAID mode for LSI SW RAID.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Power On Password

This token requires that you set a BIOS password before using the F2 BIOS configuration. If enabled, password needs to be validated before you access BIOS functions such as IO configuration, BIOS set up, and booting to an operating system using BIOS. It can be one of the following:

• disabled—Power On Password is disabled.

• enabled—Power On Password is enabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

IPV6 PXE Support

Enables or disables IPV6 support for PXE. This can be one of the following

• disabled—IPV6 PXE support is not available.

• enabled—IPV6 PXE support is always available.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Adaptive Memory Training

When this token is enabled, the BIOS saves the memory training results (optimized timing/voltage values) along with CPU/memory configuration information and reuses them on subsequent reboots to save boot time. The saved memory training results are used only if the reboot happens within 24 hours of the last save operation. This can be one of the following:

• disabled—Adaptive Memory Training is disabled.

• enabled—Adaptive Memory Training is enabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

BIOS Tech Message Level Control (for C125 M5)

Enabling this token allows the BIOS Tech log output to be controlled at more a granular level. This reduces the number of BIOS Tech log messages that are redundant, or of little use. This can be one of the following:

• disabled—BIOS Techlog Level is disabled.

• enabled—BIOS Techlog Level is enabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

OptionROM Launch Optimization

The Option ROM launch is controlled at the PCI Slot level, and is enabled by default. In configurations that consist of a large number of network controllers and storage HBAs having Option ROMs, all the Option ROMs may get launched if the PCI Slot Option ROM Control is enabled for all. However, only a subset of controllers may be used in the boot process. When this token is enabled, Option ROMs are launched only for those controllers that are present in boot policy. This can be one of the following:

• disabled—OptionROM Launch Optimization is disabled.

• enabled—OptionROM Launch Optimization is enabled.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

BIOS Techlog Level

BIOSTechlogLevel

This option denotes the type of messages in BIOS tech log file. The log file can be any of the following types:

• minimum—Critical messages will be displayed in the log file. This is the default option.

• normal—Warning and loading messages will be displayed in the log file.

• maximum—Normal and information related messages will be displayed in the log file.

P-SATA OptionROM

This options allows you to select the P-SATA mode. This can be one of the following:

• lsi-sw-raid—Sets both SATA and sSATA controllers to RAID mode for LSI SW RAID. This is the default option.

• disabled—P-SATA mode is disabled.

• ahci—Sets the controllers to AHCI mode.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

M.2 SATA OptionROM

This options allows you to select the P-SATA mode. This can be one of the following:

• lsi-sw-raid—Sets both SATA and sSATA controllers to RAID mode for LSI SW RAID. This is the default option.

• disabled—P-SATA mode is disabled.

• ahci—Sets the controllers to AHCI mode.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

UEFI Boot Mode

This options allows you to select the UEFI Boot mode. This can be one of the following:

• disabled—UEFI Boot mode is disabled.

• enabled—UEFI Boot mode is enabled.

Assert NMI on SERR

set assert-nmi-on-serr-config assertion

Whether the BIOS generates a non-maskable interrupt (NMI) and logs an error when a system error (SERR) occurs. This can be one of the following:

• disabled—The BIOS does not generate an NMI or log an error when a SERR occurs.

• enabled—The BIOS generates an NMI and logs an error when a SERR occurs. You must enable this setting if you want to enable Assert NMI on PERR.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Assert NMI on PERR

set assert-nmi-on-perr-config assertion

Whether the BIOS generates a non-maskable interrupt (NMI) and logs an error when a processor bus parity error (PERR) occurs. This can be one of the following:

• disabled—The BIOS does not generate an NMI or log an error when a PERR occurs.

• enabled—The BIOS generates an NMI and logs an error when a PERR occurs. You must enable Assert NMI on SERR to use this setting.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

OS Boot Watchdog Timer Policy

set os-boot-watchdog-timer-policy-config os-boot-watchdog-timer-policy

What action the system takes if the watchdog timer expires. This can be one of the following:

• power-off—The server is powered off if the watchdog timer expires during OS boot.

• reset—The server is reset if the watchdog timer expires during OS boot.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

This option is only available if you enable the OS Boot Watchdog Timer.

OS Boot Watchdog Timer Timeout

set os-boot-watchdog-timer-timeout-config os-boot-watchdog-timer-timeout

What timeout value the BIOS uses to configure the watchdog timer. This can be one of the following:

• 5-minutes—The watchdog timer expires 5 minutes after the OS begins to boot.

• 10-minutes—The watchdog timer expires 10 minutes after the OS begins to boot.

• 15-minutes—The watchdog timer expires 15 minutes after the OS begins to boot.

• 20-minutes—The watchdog timer expires 20 minutes after the OS begins to boot.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

This option is only available if you enable the OS Boot Watchdog Timer.

FRB-2 Timer

set frb-2-timer-config frb-2-timer

Whether the FRB-2 timer is used to recover the system if it hangs during POST. This can be one of the following:

• disabled—The FRB-2 timer is not used.

• enabled—The FRB-2 timer is started during POST and used to recover the system if necessary.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Console redirection

set console-redir-config console-redir

Allows a serial port to be used for console redirection during POST and BIOS booting. After the BIOS has booted and the operating system is responsible for the server, console redirection is irrelevant and has no effect. This can be one of the following:

• disabled—No console redirection occurs during POST.

• com 0—Enables serial port for console redirection during POST. This option is valid only for M6 blade servers and rack-mount servers.

  Note	The value serial-port-a is not supported on M6 servers.

• serial-port-b or COM 1—Enables serial port B for console redirection and allows it to perform server management tasks. This option is only valid for rack-mount servers.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Flow Control

set console-redir-config flow-control

Whether a handshake protocol is used for flow control. Request to Send / Clear to Send (RTS/CTS) helps to reduce frame collisions that can be introduced by a hidden terminal problem. This can be one of the following:

• none—No flow control is used.

• rts-cts—RTS/CTS is used for flow control.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Baud rate

set console-redir-config baud-rate

What Baud rate is used for the serial port transmission speed. If you disable Console Redirection, this option is not available. This can be one of the following:

• 9600—A 9600 Baud rate is used.

• 19200—A 19200 Baud rate is used.

• 38400—A 38400 Baud rate is used.

• 57600—A 57600 Baud rate is used.

• 115200—A 115200 Baud rate is used. This is the default option.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Terminal type

set console-redir-config terminal-type

What type of character formatting is used for console redirection. This can be one of the following:

• pc-ansi—The PC-ANSI terminal font is used.

• vt100—A supported vt100 video terminal and its character set are used.

• vt100-plus—A supported vt100-plus video terminal and its character set are used.

• vt-utf8—A video terminal with the UTF-8 character set is used.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Legacy OS redirection

set console-redir-config legacy-os-redir

Whether redirection from a legacy operating system, such as DOS, is enabled on the serial port. This can be one of the following:

• disabled—The serial port enabled for console redirection is hidden from the legacy operating system.

• enabled— The serial port enabled for console redirection is visible to the legacy operating system.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Putty KeyPad

set console-redir-config putty-function-keypad

Allows you to change the action of the PuTTY function keys and the top row of the numeric keypad. This can be one of the following:

• vt100—The function keys generate ESC OP through ESC O[.

• linux—Mimics the Linux virtual console. Function keys F6 to F12 behave like the default mode, but F1 to F5 generate ESC [[A through ESC [[E.

• xtermr6—Function keys F5 to F12 behave like the default mode. Function keys F1 to F4 generate ESC OP through ESC OS, which are the sequences produced by the top row of the keypad on Digital terminals.

• sco—The function keys F1 to F12 generate ESC [M through ESC [X. The function and shift keys generate ESC [Y through ESC [j. The control and function keys generate ESC [k through ESC [v. The shift, control and function keys generate ESC [w through ESC [{.

• escn—The default mode. The function keys match the general behavior of Digital terminals. The function keys generate sequences such as ESC [11~ and ESC [12~.

• vt400—The function keys behave like the default mode. The top row of the numeric keypad generates ESC OP through ESC OS.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Out of Band Management

Used for Windows Special Administration Control (SAC). This option allows you to configure the COM port 0 that can be used for Windows Emergency Management services. ACPI SPCR table is reported based on this setup option. This can be one of the following:

• disabled—Configures the COM port 0 as a general purpose port for use with the Windows Operating System.

• enabled—Configures the COM port 0 as a remote management port for Windows Emergency Management services.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

Redirection After BIOS POST

set console-redir-config putty-function-keypad

Whether BIOS console redirection should be active after BIOS POST is complete and control given to the OS bootloader. This can be one of the following:

• always_enable—BIOS Legacy console redirection is active during the OS boot and run time.

• bootloader—BIOS Legacy console redirection is disabled before giving control to the OS boot loader.

• platform-default—The BIOS uses the value for this attribute contained in the BIOS defaults for the server type and vendor.

OS Watchdog Timer Policy

scope token-feature "OS Boot Watchdog Timer Policy"

scope token-param "OS Boot Watchdog Timer Policy"

What action the system takes if the watchdog timer expires. This can be one of the following:

• power_off—The server is powered off if the watchdog timer expires during OS boot. This is the default option.

• reset—The server is reset if the watchdog timer expires during OS boot.

FRB 2 Timer

scope token-feature "FRB 2 Timer"

scope token-param "FRB 2 Timer"

Whether the FRB2 timer is used for recovering the system if it hangs during POST. This can be one of the following:

• disabled—The FRB2 timer is not used.

• enabled—The FRB2 timer is started during POST and used to recover the system if necessary. This is the default option.

OS Watchdog Timer

scope token-feature "OS Boot Watchdog Timer"

scope token-param "OS Boot Watchdog Timer"

Whether the BIOS programs the watchdog timer with a specified timeout value. This can be one of the following:

• disabled—The watchdog timer is not used to track how long the server takes to boot. This is the default option.

• enabled—The watchdog timer tracks how long the server takes to boot. This is the default option.

OS Watchdog Timer Timeout

scope token-feature "OS Boot Watchdog Timer Timeout"

scope token-param "OS Boot Watchdog Timer Timeout"

If OS does not boot within the specified time, OS watchdog timer expires and system takes action according to timer policy. This can be one of the following:

• 5 minutes—The OS watchdog timer expires 5 minutes after it begins to boot.

• 10 minutes—The OS watchdog timer expires 10 minutes after it begins to boot. This is the default option.

• 15 minutes—The OS watchdog timer expires 15 minutes after it begins to boot.

• 20 minutes—The OS watchdog timer expires 20 minutes after it begins to boot.