Table 17. Common firmware error codes (continued)
Error code Description
Action or
possible failing FRU
B1xx 4690
Description:
Operating system surveillance timeout (AIX to service processor interface failure).
Action:
1. This error code indicates that the operating system terminated early (which usually implies an
operating system crash). This error code might appear in the service processor error log by
itself. However, in the operating system error log, another error points to the cause of the
operating system crash. Use the other error as the starting point for your service action.
If the system will not boot, power off and look at the service processor error log. Look for error
codes (with time stamps that correspond to the boot that was just attempted) that indicate
hardware failures. If these error codes are found, record them, find the error code listed in the
Chapter 5, “Error code to FRU index”, on page 125, and perform the indicated actions.
2. The other possibility is that the operating system was not found during a prior boot attempt. To
determine if this occurred, do the following:
a. Look at the operating system error log entry containing B1xx4690. This is a
″
SCAN_ERROR_CHRP
″
error with an identifier of BFEC0425. Look at the operating system
error log entry containing B1xx4690. This is a
″
SCAN_ERROR_CHRP
″
error with an
identifier of BFEC0425.
b. In the detail data, find the string
″
B1xx4690
″
(If present, it will be at byte 60 of the detail
data.)
c. Go forward eight bytes after the
″
B1
″
to byte 68, and look at bytes 68 and 69. If the values
of bytes 68 and 69 are A2B0, this indicates that the firmware was unable to find a bootable
device in the boot list that is set in the SMS menus. If the system is up, the boot list
problem has been corrected and the B1xx 4690 can be treated as an informational
message with no actions required.
3. Call service support.
B1xx 4691
Description:
System firmware to service processor interface failure. (System firmware surveillance
timeout)
Action:
1. Check for system firmware updates.
2. Go to the service processor main menu and select
System Information menu
. Then select
Read Progress Indicators From Last System Boot.
Begin your repair action with the error
code or checkpoint immediately preceding B1xx 4691: If a location code is displayed with the
error code or checkpoint, replace the part at that location.
Note:
If the location code is U0.1-P1/E1 or U0.1-P1/E2, change the PCI riser card (U0.1-P2)
first, and then change the CEC backplane (U0.1-P1). If no location code is specified, and you
have an 8-character error code, go to the “Checkpoint and error code index” on page 127. If no
location code is specified, and you have a four-character checkpoint (for example, Exxx), go to
“Firmware checkpoints” on page 101.
3. If your checkpoint is 91FF, perform the following:
a. Remove any cables.
b. Replace the CEC backplane, location U0.1-P1.
4. If the problem is not resolved, call service support.
B1xx 4692 Operator panel task interface failure
1. Check for system firmware updates.
2. Call service support.
B1xx 4693 Service processor firmware error
1. Check for system firmware updates.
2. Call service support.
B1xx 4694 System processor firmware failure
1. Check for system firmware updates.
2. CEC backplane
Location code: U0.1-P1
234
NAS Gateway 500 Service Guide
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