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• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
Chapter 4 "Parts listing, Lenovo System x3550 M3 Type 4254 and 7944" on page 403
• See
components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
• If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
• Go to the IBM support website at
tips, and new device drivers or to submit a request for information.
Description
Error code
0051004
DIMM presence detected read/write failure
0051006
DIMM mismatch detected
0051009
No memory detected.
System x3550 M3Problem Determination and Service Guide
310
http://www.ibm.com/supportportal/
Action
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.
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.
Make sure that the DIMMs match and are installed in
the correct sequence (see
436).
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.
to check for technical information, hints,
1. Update the server firmware to the latest level (see
"Updating the firmware" on page
2. Reseat the DIMMs.
3. Install DIMMs in the correct sequence (see
"Installing a DIMM" on page
4. Replace the failing DIMM.
5. (Trained service technician only) Replace the
system board.
"Installing a DIMM" on page
1. Make sure one or more DIMMs are installed in the
server.
2. Reseat the DIMMs and restart the server.
3. Make sure that the DIMMs are installed in the
correct sequence (see
"Installing a DIMM" on
page 436
for more information).
4. (Trained service technician only) Replace the
microprocessor that controls the failing DIMMs.
5. (Trained service technician only) Replace the
system board.
to determine which
513).
436).
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