Reboot Host Immediately checkbox

If the Reboot Host Immediately check box is checked, the server is rebooted immediately and the new BIOS settings go into effect. Otherwise the changes are saved until the server is manually rebooted.

OS Boot Watchdog Timer Policy drop-down list

set OSBootWatchdogTimerPolicy

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.

OS Watchdog Timer drop-down list

set OSBootWatchdogTimer

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.

• Enabled—The watchdog timer tracks how long the server takes to boot. If the server does not boot within the length of time specified in the OS Boot Watchdog Timer Timeout field, the Cisco IMC logs an error and takes the action specified in the OS Boot Watchdog Policy field.

OS Watchdog Timer Timeout drop-down list

set OSBootWatchdogTimerTimeOut

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.

• 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.

Baud Rate drop-down list

set BaudRate

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:

• 9.6k—A 9,600 Baud rate is used.

• 19.2k—A 19,200 Baud rate is used.

• 38.4k—A 38,400 Baud rate is used.

• 57.6k—A 57,600 Baud rate is used.

• 115.2k—A 115,200 Baud rate is used.

This setting must match the setting on the remote terminal application.

Console Redirection drop-down list

set ConsoleRedir

Allows a serial port to be used for console redirection during POST and BIOS booting. After the OS has booted, console redirection is irrelevant. This can be one of the following:

• Serial Port A—Enables console redirection on serial port A during POST.

• Serial Port B—Enables console redirection on serial port B during POST.

• Disabled—No console redirection occurs during POST.

CDN Control drop-down list

set cdnEnable

Whether the Ethernet Network naming convention is according to Consistent Device Naming (CDN) or the traditional way of naming conventions. This can be one of the following:

• Disabled— CDN support for VIC cards is disabled

• Enabled— CDN support is enabled for VIC cards.

FRB 2 Timer drop-down list

set FRB-2

Whether the FRB2 timer is used by Cisco IMC to recover 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.

Flow Control drop-down list

set FlowCtrl

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.

Terminal type drop-down list

set TerminalType

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.

Trusted Platform Module Support drop-down list

set TPMAdminCtrl

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. It can be one of the following:

• Disabled—The server does not use the TPM.

• Enabled—The server uses the TPM.

Power on Password drop-down list

set PowerOnPassword

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—Support is disabled.

• Enabled—Support is enabled.

Intel Virtualization Technology drop-down list

set IntelVT

Whether the processor uses Intel Virtualization Technology (VT), 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.

Extended Apic drop-down list

set LocalX2Apic

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

• Enabled—Enables APIC support

• Disabled—Disables APIC support.

Processor C1E drop-down list

set ProcessorC1E

Whether the CPU transitions to its minimum frequency when entering the C1 state. This can be one of the following:

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

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

Processor C6 Report drop-down list

set ProcessorC6Report

Whether the BIOS sends the C6 report to the operating system. When the OS receives the report, it can transition the processor into the lower C6 power state to decrease energy usage while maintaining optimal processor performance. This can be one of the following:

• Disabled—The BIOS does not send the C6 report.

• Enabled—The BIOS sends the C6 report, allowing the OS to transition the processor to the C6 low power state.

Execute Disable Bit drop-down list

set ExecuteDisable

Classifies memory areas on the server to specify where 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.

Intel Turbo Boost Tech drop-down list

set IntelTurboBoostTech

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.

Enhanced Intel SpeedStep Tech drop-down list

set EnhancedIntelSpeedStep

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.

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

Intel HyperThreading Tech drop-down list

set IntelHyperThread

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.

Workload Configuration drop-down list

set WorkLdConfig

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

• NUMA

• UMA

Core MultiProcessing drop-down list

set CoreMultiProcessing

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 28—Specifies the number of physical processor cores that can run on the server. Each physical core has an associated logical core.

Sub NUMA Clustering drop-down list

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:

• disabled— Sub NUMA clustering does not occur.

• enabled— Sub NUMA clustering occurs.

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

XPT Prefetch drop-down list

Whether XPT prefetch is used to enable a read request 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 prefetch option.

UPI Prefetch drop-down list

UPI 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 UPI prefetcher preloads the L1 cache with the data it determines to be the most relevant.

Energy Performance BIOS Config drop-down list

set CpuEngPerfBias

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

• — 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.

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

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

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

Power Performance Tuning drop-down list

set PwrPerfTuning

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

• bios—

  Chooses BIOS for energy performance tuning.

• os—

  Chooses OS for energy performance tuning.

LLC Prefetch drop-down list

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.

Package C State

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:

• no-limit—The server may enter any available C state.

• auto —The CPU determines the physical elevation.

• —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.

• —When the CPU is idle, the system reduces the power consumption further than with the C1 option. This requires less power than C1 or C0, but it takes the server slightly longer to return to high performance mode.

• —When the CPU is idle, the system reduces the power consumption further than with the C3 option. This option saves more power than C0, C1, or C3, but there may be performance issues until the server returns to full power.

• —When the CPU is idle, the system reduces the power consumption further than with the C3 option. This option saves more power than C0, C1, or C3, but there may be performance issues until the server returns to full power.

Hardware P-States drop-down list

set CpuHWPM

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

• 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)

Reboot Host Immediately checkbox

Upon checking, reboots the host server immediately. You must check the checkbox after saving changes.

Select Memory RAS configuration drop-down list

set SelectMemoryRAS

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

• Maximum Performance—System performance is optimized.

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

Above 4G Decoding drop-down list

set MemoryMappedIOAbove4GB

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

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

• Enabled—The server maps I/O of 64-bit PCI devices to 4GB or greater address space.

DCPMM Firmware Downgrade drop-down list

set DCPMMFirmwareDowngrade

Whether the BIOS supports downgrading the DCPMM firmware. This can be one of the following:

• Disabled—Support is disabled.

• Enabled—Support is enabled.

NUMA drop-down list

set NUMAOptimize

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

• Disabled—Support is disabled.

• Enabled—Support is enabled.