IBM System x3550 M3 Type 4254 Problem Determination And Service Manual page 82

Table 6. IMM error messages (continued)
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, System x3550 M3 Types 4254 and 7944," on page 159 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.
Memory Logging Limit Reached for
DIMM One of the DIMMs on Memory
Subsystem One of the DIMMs.
Memory DIMM Configuration Error for
One of the DIMMs on Memory
Subsystem One of the DIMMs.
Memory uncorrectable error detected for
DIMM n Status on Memory Subsystem
DIMM n Status.
(n = DIMM number)
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IBM System x3550 M3 Types 4254 and 7944: Problem Determination and Service Guide
Error The memory logging limit
has been reached.
Error A DIMM configuration error
has occurred.
Error A memory uncorrectable
error has occurred.
1. Update the server
firmware to the latest
level (see "Updating
the firmware" on page
255).
Important: Some
cluster solutions
require specific code
levels or coordinated
code updates. If the
device is part of a
cluster solution, verify
that the latest level of
code is supported for
the cluster solution
before you update the
code.
2. Reseat the DIMMs and
run the DSA memory
test.
3. Replace any DIMM
that is indicated by a lit
error LED.
Make sure that DIMMs are
installed in the correct
sequence and have the
same size, type, speed,
and technology.
1. If the server failed the
POST memory test,
reseat the DIMMs.
2. Replace any DIMM
that is indicated by a lit
error LED.
Note: You do not have
to replace DIMMs by
pairs.
3. Run the Setup utility to
enable all the DIMMs.
4. Run the DSA memory
test.
5. (Trained service
technician only)
Replace the system
board.