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v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 4, "Parts listing," on page 109 to determine which components are customer replaceable
units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Error code
Description
0011002
Microprocessor mismatch
0011004
Microprocessor failed BIST
001100A
Microcode update failed
0050001
DIMM disabled
Action
1. Run the Setup utility and view the microprocessor
information to compare the installed microprocessor
specifications.
2. (Trained service technician only) Remove and replace
one of the microprocessors so that they both match.
1. Update the system firmware (see "Firmware updates" on
page 213).
2. (Trained service technician only) Reseat microprocessor
2.
3. Replace the following components one at a time, in the
order shown, restarting the system-board tray each time:
a. (Trained service technician only) Microprocessor
b. (Trained service technician only) System board
1. Update the system firmware (see "Firmware updates" on
page 213).
2. (Trained service technician only) Replace the
microprocessor.
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. Make sure the DIMM is installed correctly (see "Installing
a memory module" on page 164).
2. If the DIMM was disabled because of a memory fault,
follow the suggested actions for that error event and
restart the server.
3. Check the IBM support website for an applicable retain tip
or firmware update that applies to this memory event. If
no memory fault is recorded in the logs and no DIMM
connector error LED is lit, you can re-enable the DIMM
through the Setup utility or the Advanced Settings Utility
(ASU).
17
Chapter 3. Diagnostics
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