IBM System x3550 M3 Type 4254 Problem Determination And Service Manual page 62

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.
The Processor CPU nStatus has a
Configuration Mismatch.
(n = microprocessor number)
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IBM System x3550 M3 Types 4254 and 7944: Problem Determination and Service Guide
Error A processor configuration
mismatch has occurred.
1. Make sure that the
installed
microprocessors are
compatible with each
other (see "Installing a
microprocessor and
heat sink" on page 245
for information about
microprocessor
requirements).
2. Update the server
firmware to the latest
level (see "Updating
the firmware" on page
255).
3. (Trained service
technician only)
Replace the
incompatible
microprocessor.