IBM H Series Installation And Service Manual page 142

Table 3-1 (Page 33 of 40). Firmware Error Codes.
Error Code Description
4B2xxx00 Checkstop
3-34
RS/6000 Enterprise Server Model H Series Installation and Service Guide
Action / Possible Failing FRU
1. Press enter on an attached ASCII ter-
minal keyboard to go into the Service
Processor menus.
2. Select "System Information" menu.
3. Select "Read Progress Indicators from
Last System Boot" and use the posted
code indicated by the arrow. Refer to
Appendix C on page C-1, if you need
help. If the code is "E105" or"0xxx",
where xxx is any 3 digits, continue to
step 4 instead of the listed action.
Otherwise, find the code in the "Model
H50 Service Processor Checkpoints"
on page 3-45 or "Model H70 Service
Processor Checkpoints" on page 3-49
or "Firmware Checkpoints" on
page 3-52 and perform the action
shown there.
4. Attempt to reboot the system in
Service Mode, this preserves the AIX
error log. If the reboot fails, attempt to
reboot CD-ROM. If the reboot is suc-
cessful, run Diagnotics in Problem
Determination mode to determine the
cause of failure. Otherwise continue.
5. Remove processor card in processor
card connector 2 (if installed) and see
if the problem is resolved, replace
processor card, otherwise continue.
6. Exchange processor card in processor
card connector 1 with processor card
removed from processor card con-
nector 2 in step 5 (replace processor
card if only one processor card is
installed) and see if the problem is
resolved. If problem is resolved
replace processor card. If not, con-
tinue.
7. Go to MAP 1540: Minimum Configura-
tion, "Step 1540-25" on page 2-61.