IBM RS/6000 7043 260, Service Manual

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Table 3-1 (Page 9 of 28). Firmware Error Codes.
Error Code Description Action / Possible Failing FRU
Memory Errors
Use the location code obtained from the SMS Error Log utility (described in “Step 1020-4” on
page 2-14) to identify which memory module (or memory module pair) the error is reported against.
Memory error codes are in the form 25Cyyxxx where yy indicates Memory Module PD-bits and xxx
indicates the last 3 digits of the error code.
See “Memory PD Bits” on page 3-30 for information on how to interpret PD bits.
25Cyy001 Memory module is not supported. 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 indicated memory modules
may be good, when replacing memory
replace 1 memory module at a time,
not both.
See “Memory PD Bits” on page 3-30
for definition of "yy".
3-10
Service Guide