IBM eServer BladeCenter JS20 Installation And User Manual page 103

Table 2. Abbreviated list of firmware error codes (continued)
Error code Failing device or problem found
25C00000 No DIMMs were detected.
25C0xx yy DIMM failure:
where xx and yy are:
xx
01
10
12
14
21
22
41
88
yy
01
10
12
14
21
22
41
88
Description
DIMM2 missing
DIMM1 missing
DIMM1 unsupported
DIMM1 failed
DIMM2 unsupported
DIMM1 and DIMM2
unsupported
DIMM2 failed
DIMM1 and DIMM2
mismatch
Description
DIMM4 missing
DIMM3 missing
DIMM3 unsupported
DIMM3 failed
DIMM4 unsupported
DIMM3 and DIMM4
unsupported
DIMM4 failed
DIMM3 and DIMM4
mismatch
Suggested action
Note: For additional information about DIMMs, see
"Installing memory modules" on page 27.
1. Make sure that the DIMMs are correctly seated. If
necessary, reseat the DIMMs.
2. Restart the blade server.
3. Perform the system checkout procedure. See "System
checkout" on page 64.
If the problem remains, replace the system board. Contact
a service support representative for assistance.
Note: For additional information about DIMMs, see
"Installing memory modules" on page 27.
1. Make sure that all the DIMMs in the blade server are
supported. Replace all the unsupported DIMMs.
2. Make sure that the DIMMs are installed in pairs. If the
DIMMs are not installed in pairs, reinstall them in
pairs.
3. Make sure that the DIMMs are correctly seated. If
necessary, reseat the DIMMs.
4. Restart the blade server.
5. Remove and reinstall the DIMMs one at a time until
the failing DIMM is isolated.
If the problem remains, replace the system board. Contact
a service support representative for assistance.
Chapter 8. Solving problems
87