v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trained
technician.
v Go to the IBM support website at http://www.ibm.com/supportportal/ to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Diagnostic
code Message Description Action
S.58008 [S.58008] A DIMM has failed
the POST memory test.
DIMM Failed Memory Test. Note: Each time you install or
remove a DIMM, you must
disconnect the server from the power
source; then, wait 10 seconds before
restarting the server.
1. Check the IBM support website
for an applicable retain tip or
firmware update that applies to
this memory error.
2. Make sure that the DIMMs are
firmly seated and no foreign
material is found in the DIMM
connector. Then, retry with the
same DIMM.
3. If the problem is related to a
DIMM, replace the failing DIMM
indicated by the error LEDs
4. If the problem occurs on the same
DIMM connector, swap the
affected DIMMs (as indicated by
the error LEDs on the system
board or the event logs) to a
different memory channel or
microprocessor (see “Installing a
memory module” on page 62 for
memory population sequence).
5. (Trained technician only) If the
problem occurs on the same
DIMM connector, check the
DIMM connector. If the connector
contains any foreign material or is
damaged, replace the system
board.
6. (Trained technician only) Remove
the affected microprocessor and
check the microprocessor socket
pins for any damaged pins. If a
damage is found, replace the
system board.
7. (Trained technician only) Swap
the affected microprocessor, if
there are more than one
microprocessor installed. If the
problem follows the
microprocessor, replace the
affected microprocessor (see
“Removing a microprocessor and
heat sink” on page 416 and
“Replacing a microprocessor and
heat sink” on page 418).
8. (Trained technician only) Replace
the system board.
Chapter 4. Troubleshooting 165
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