Table 7. Integrated management module 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, Type 7377 server,” on page 125 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.
Message Severity Description Action
Memory uncorrectable error
detected for DIMM One of
the DIMMs on Memory
Subsystem One of the
DIMMs.
Error A memory uncorrectable error has
occurred.
1. Check the IBM support website
for an applicable retain tip or
firmware update that applies to
this memory error.
2. Manually re-enable all affected
DIMMs if the server firmware
version is older than UEFI
v1.10. If the server firmware
version is UEFI v1.10 or newer,
disconnect and reconnect the
server to the power source and
restart the server.
3. 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 162 for memory
population).
4. If the problem follows the
DIMM, replace the failing DIMM
(see “Removing a memory
module (DIMM)” on page 161
and “Installing a memory
module” on page 162).
5. (Trained service 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 (see
“Removing the system board”
on page 228 and “Installing the
system board” on page 230).
(Continued on the next page)
108 IBM System x3630 M3 Type 7377: Problem Determination and Service Guide
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