Table 10. 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, Types 4255, 7945, and 7949 server,” on page 157 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 uncorrectable error
detected for DIMM n Status on
Memory Subsystem DIMM n
Status.
(n = DIMM number)
Error A memory uncorrectable error
has occurred.
6. (Trained service 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 (see “Removing
the system board” on page
247 and “Installing the system
board” on page 248).
7. (Trained Service technician
only) Replace the affected
microprocessor (see
“Removing a microprocessor
and heat sink” on page 238
and “Installing a
microprocessor and heat sink”
on page 240).
140 IBM System x3650 M3 Types 4255, 7945, and 7949: Problem Determination and Service Guide
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