IBM pSeries 670 Service Manual page 705

Error Code Description
B1xx 4633 System power control network (SPCN) failure
Action/
Possible Failing FRU
This error code may be informational, or it may
indicate a failure in the SPCN firmware update.
Before changing any parts, examine word 13 in
the service processor error log entry, or bytes
68 and 69 in the AIX error log entry. For
detailed instructions on finding word 13 in the
service processor error log entry, or bytes 68
and 69 in the AIX error log entry, see error code
B1xx 4699 on page 690.
All of the following values of word 13 (or bytes
68 and 69) indicate a failure of an SPCN
firmware update:
A701
A702
A703
A704
A705
A706
A707
For these values of word 13, do the following:
1. Power off the system.
2. Collect the service processor error log data
for the B1xx 4633 error. From the main
service processor menu, enter 3 to access
the System Information menu. Select option
3, Service Processor Error Logs.
3. Collect the SPCN trace data. From the main
service processor menu, enter 3 to access
the System Information menu. Select option
9, the Power Control Network Utilities
Menu. Then select option 4, Collect and
Display the SPCN Trace Data.
4. Power on the system.
Chapter 5. Error Code to FRU Index
685