IBM H Series, Installation And Service Manual

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Table 3-1 (Page 34 of 40). Firmware Error Codes.
Error Code Description Action / Possible Failing FRU
4B2xxx01 Checkstop - processor card con-
nector 1 fail 1. Attempt to reboot the system in
Service Mode, this preserves the AIX
error log. If the reboot fails, attempt to
reboot from the CD-ROM. If the
reboot is successful, run Diagnostics
in Problem Determination mode to
determine the cause of the failure.
Otherwise continue.
2. CPU Card in processor card connector
1.
3. System board.
4. I/O board (See notes on 3-1.)
4B2xxx02 Checkstop - processor card con-
nector 2 fail 1. Attempt to reboot the system in
Service Mode, this preserves the AIX
error log. If the reboot fails, attempt to
reboot from the CD-ROM. If the
reboot is successful, run Diagnostics
in Problem Determination mode to
determine the cause of the failure.
Otherwise continue.
2. CPU Card in processor card connector
2.
3. System board.
4. I/O board (See notes on 3-1.)
4B2xxx10 Machine Check - 0 1. Attempt to reboot the system in
Service Mode, this preserves the AIX
error log. If the reboot fails, attempt to
reboot from the CD-ROM. If the
reboot is successful, run Diagnostics
in Problem Determination mode to
determine the cause of the failure.
Otherwise continue.
2. Remove processor card in slot 2 (if
installed) and see if the problem is
resolved. If problem is resolved
replace processor card else continue.
3. Exchange processor card in processor
card connector 1 with processor card
removed from processor card con-
nector 2 in step 2 (replace processor
card if only one processor card is
installed) and see if the problem is
resolved. If problem is resolved
replace processor card else continue.
4. Refer to “Step 1540-25” on
page 2-61.
Chapter 3. Error Code to FRU Index
3-35