IBM 6C1 Service Manual page 190

Table 3. Firmware Error Codes. (continued)
Error Code Description
4B2xxxC8 A generic processor-detected checkstop
4BA00000 The system support controller detects the
4BA00001 The system support controller cannot
4BA0000A Processor card deconfigured
172
Service Guide
has occurred.
service processor, but cannot establish
communication. The system halts.
detect the service processor.
Action / Possible Failing FRU
1. Try to reboot the system into
online diagnostic to preserve the
AIX error log. Run diagnostics in
problem determination mode to
determine the cause of the failure.
If a new SRN or error code is
generated, follow the actions for
that code.
2. Try to boot AIX diagnostics from
CD-ROM.
a. If the boot is successful, run
advanced diagnostics and
follow the actions for any SRN
or error code that is generated.
If the same error code is
generated, go to "MAP 1540:
Minimum Configuration" on
page 63.
b. If AIX standalone diagnostics
do not boot, follow the actions
for any new SRN or error code
that is generated. If the same
error code is generated, go to
"MAP 1540: Minimum
Configuration" on page 63.
1. Power off the system unit:
a. Unplug the power cord.
b. Plug in the power cord and
power on the system unit.
2. Replace the system board.
Location: P1
(See note 3 on page 115.)
Replace the system board.
Location: P1
(See note 3 on page 115.)
1. Possible BIST failure:
a. Power off the system unit.
b. Unplug the power cord.
c. Plug in the power cord and
power on the system unit.
2. Replace the processor card.
Location: P1-C1
Location: P1-C2