Table 5. Firmware Error Codes. (continued)
Error Code Description Action/
Possible Failing FRU
25Cy y002 DIMM failure If one DIMM is called out:
1. Replace the DIMM.
2. Replace the DIMM group.
3. Replace the memory riser card.
If more than one DIMM is called out,
go to the Memory
Configuration/Deconfiguration menu,
which is under the System
Information Menu on the main
service processor menu:
1. From the memory
configuration/deconfiguration
menu, select the card(s) specified
by the location code(s) of the
failing DIMM(s). If the first
character of the error status of
any DIMM is 1, 2, or 3 (but not 0
or 4), this is a suspect DIMM.
Record its location. See “System
Information Menu” on page 382
for more information on the error
status of DIMMs.
2. If only one DIMM was recorded in
step 1:
a. Replace DIMM
b. Replace the DIMM group
c. Replace the memory riser
card
3. If more than one DIMM was
recorded in step 1 and the
DIMMs reside in more than one
group:
a. Replace the memory riser
card
b. Replace all failing DIMMs
4. If more than 1 DIMM was
recorded in step 1 and they
reside in one group:
a. Replace all failing DIMMs
b. Replace the DIMM group
c. Replace the memory riser
card
208 Service Guide
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