IBM H Series Installation And Service Manual page 119

Table 3-1 (Page 10 of 40). Firmware Error Codes.
Error Code Description
25Cyy001 Memory module is not supported
25Cyy002 Memory module fails memory test
25Cyy003 PD bits are mis-matched or missing
one memory module
25Cyy004 Memory modules are disabled
25Cyy005 Memory module failed address test.
Action / Possible Failing FRU
Replace unsupported memory module.
Note:
Memory module must be replaced with a
supported type memory module. If an
unsupported memory module is replaced
the same unsupported type, the error does
not go away.
There may be 2 memory module related
memory errors reported to indicate a
memory module pair. One of the 2 indi-
cated memory modules may be good,
when replacing memory replace 1 memory
module at a time, not both.
See "Memory PD Bits" on page 3-42 for
definition of "yy".
1. Replace memory module.
2. Replace memory card.
3. Replace the system board.
See "Memory PD Bits" on page 3-42
for definition of "yy".
1. Make sure both memory modules in
the pair are the same type.
2. Replace the system board.
See "Memory PD Bits" on page 3-42
for definition of "yy".
Remove this unused memory module.
1. Replace memory module.
2. Replace memory card.
3. Replace the system board.
4. Remove processor card in processor
card connector #2 (if installed) and
see if the problem is resolved. If
problem is resolved replace processor
card. If not, continue.
5. Exchange processor card in processor
card connector #1 with the processor
card removed in step 1 (or replace
processor card if only one processor
card exists) and see if problem is
resolved. If problem is resolved
replace processor card.
See "Memory PD Bits" on page 3-42
for definition of "yy".
Chapter 3. Error Code to FRU Index
3-11