IBM RS/6000 Enterprise Server M80, Service Manual

Page: 222 / 567

Table 6. Firmware Error Codes. (continued)
Error Code Description Action/
Possible Failing FRU
25Cy y001 Memory DIMM is not supported Replace unsupported memory DIMM(s). Note
that memory DIMM are in groups, but you
may only receive an error for a single
memory DIMM. Verify that all memory DIMMs
in the group containing the specified memory
DIMM are of the same type.
yy describes the memory DIMM as follows:
00 Unrecognized/Unsupported memory
DIMM
28 512 MB memory DIMM
38 128 MB memory DIMM
58 32 MB memory DIMM
68 256 MB memory DIMM
78 1 GB memory DIMM
Notes:
1. Refer to “System Memory” on page 23 for
the memory DIMM configuration rules.
Memory DIMMs must be replaced with a
supported type of memory DIMM, and all
memory DIMMs in a group must be of the
same size.
2. Check the system error logs to determine
the location code associated with the
error code. Refer to the “Logical and
Physical Locations” on page 28 to locate
the memory DIMM and the rest of its
group.
204
Service Guide