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Cisco 3700 Series Multiservice Access Routers

Advanced Integration Module (AIM) Signal Integrity Issue on Cisco 3745 Router


June 20, 2003


Products Affected

Product

Top Assembly

Printed Circuit Assembly

Comments

Part Number

Rev.

Part Number

Rev.

AIM-VOICE-30

800-13259-03

-B0

73-6346-03

-A0

This issue only experienced with any AIM module and AIM-ATM, AIM-ATM-VOICE-30 or AIM-VOICE-30 installed together on the Cisco 3745 router.

AIM-ATM-VOICE-30

800-06560-03

-A0

73-4690-03

-A0

This issue only experienced withany AIM module and AIM-ATM, AIM-ATM-VOICE-30 or AIM-VOICE-30 installed on the Cisco 3745 router.

AIM-VOICE-30

800-13259-03

-B0

73-6346-03

-A0

This issue only experienced with any AIM module and AIM-ATM, AIM-ATM-VOICE-30 or AIM-VOICE-30 installed together on the Cisco 3745 router.

CISCO3745-MB

800-15934-02

D0

73-6169-12

-A0

New Cisco 3745 routers that were manufactured as of June 11th, 2003, are guaranteed to have the incorporated hardware change.

Problem Description

Cisco has discovered a problem with the AIM-ATM, AIM-ATM-VOICE-30 and AIM-VOICE-30 when two Advanced Integration Modules (AIMs) are configured in a Cisco 3745 Router. This problem will only occur during power-on initialization or reload of the unit and will result in the second AIM module installed in slot 1 not to be recognized by IOS.

This problem is only experienced when two AIM modules are installed in the 3745 in one of the following combinations:

  • TWO AIM-ATM

  • TWO AIM-ATM-VOICE-30

  • TWO AIM-VOICE-30

  • AIM-ATM and AIM-ATM-VOICE-30

  • AIM-ATM and AIM-VOICE-30

  • AIM-ATM and AIM-VPN/HP

  • AIM-ATM-VOICE-30 and AIM-VPN/HP

  • AIM-VOICE-30 and AIM-VPN/HP

  • Any AIM Module and AIM-ATM, AIM-ATM-VOICE-30 or AIM-VOICE-30

This problem can only occur on the platforms or combinations listed in this field notice. Once the router has passed power-on initialization or performed a successful reload and has loaded both installed AIMs it will continue to operate normally, but could fail in the future if the power is cycled or if the Cisco 3745 router is rebooted.

Background

This problem is a result of a signal integrity issue with the AIM-ATM, AIM-ATM-VOICE-30 and AIM-VOICE-30.

This problem can only occur on the platforms or combinations listed in this field notice.

Problem Symptoms

This problem is only experienced during power-on initialization or reload of a Cisco 3745 with two AIM Modules installed and results in the second AIM Module installed in slot 1 not to be recognized by IOS.

The following errors will be recorded upon power up of the router:

Mar 1 00:00:18.495: %ATM_AIM-6-STARTUP: SAR (MXT-5100) initialized 
%ERR-1-GT64120 (PCI-0): Fatal error, PCI Master abort 
GT=0x24000000, cause=0x0100E483, mask=0x0ED01F00, real_cause=0x00000400
bus_err_high=0x00000000, bus_err_low=0x00000000, addr_decode_err=0x00000470

%ERR-1-GT64120 (PCI-0): Fatal error, PCI Master abort GT=0x24000000,cause=0x0100E483, mask=0x0ED01F00, real_cause=0x00000400
 bus_err_high=0x00000000,bus_err_low=0x0000000,addr_decode_err=0x00000470

ATM AIM: FPGA verification failed, ID is incorrect. Read 0x08FFFFFFFF, Expect 0x08DEADBEEF.

*Mar 1 00:00:19.715: %ATM_AIM-1-INITFAIL: ATM_AIM 2: Initialization failed at atm_aim_fpga_download

In viewing the show version the system will only display one AIM module installed in the system.

Cisco 3745 (R7000) processor (revision 0.0) with 243712K/18432K bytes of memory.
Processor board ID 
R7000 CPU at 350Mhz, Implementation 39, Rev 3.3, 256KB L2, 2048KB L3 Cache
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
Primary Rate ISDN software, Version 1.1.
2 FastEthernet/IEEE 802.3 interface(s)
1 Serial network interface(s)
4 ATM network interface(s)
1 terminal line(s)
6 Channelized T1/PRI port(s)
1 ATM AIM(s)<--------------------------Note only 1 AIM recognized by system.
DRAM configuration is 64 bits wide with parity disabled.
151K bytes of non-volatile configuration memory.
62592K bytes of ATA System CompactFlash (Read/Write)
62592K bytes of ATA Slot0 CompactFlash (Read/Write)

Note: If trying to initialize the unrecognized AIM module could possibly hang or crash the router.

Workaround/Solution

Cisco has implemented a hardware solution to the Cisco 3745 motherboard. The hardware solution will be implemented while an enhancement for the AIM-ATM, AIM-ATM-VOICE-30 and AIM-VOICE-30 is completed.

This field notice will be updated when specific details for the AIM-ATM, AIM-ATM-VOICE-30 and AIM-VOICE-30 enhancement is released. This enhancement will resolve the signal integrity issue.

DDTS

To follow the bug ID link below and see detailed bug information, you must be a registered user and you must be logged in.

DDTS

Description

CSCeb22932 (registered customers only)

Second AIM-ATM= not functional and crashes router if used

Physical Replacement of Parts

If your currently experiencing the issue outlined in this field notice, open a case with Cisco Technical Support. Reference this field notice and request a return materials authorization (RMA) for the affected unit.

Coding RMAs as shown below guarantees a replacement which is not affected by this problem.

Service Level: Mfg New - 3rd Bus Day NON BILLABLE

Failure Class: Administrative Request

Failure Code: Field Notice Alert

New Cisco 3745 routers that were manufactured as of June 11th, 2003, are guaranteed to have the incorporated hardware change.

For More Information

If you require further assistance, or if you have any further questions regarding this field notice, please contact the Cisco Systems Technical Assistance Center (TAC) by one of the following methods:

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