IBM System x3455 Installation Manual page 69

Types 7984 and 7986
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Table 3. List of POST error codes (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 the parts listing in the Problem Determination and Service Guide 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.
Error code
Description
00012000
Microprocessor machine check
error.
00180700
PCI Express device not
responding.
012980xx
No update data for microprocessor
xx.
01298200
Microprocessor speed mismatch
Action
1. Update the server BIOS (see
"Updating the firmware" in the
Problem Determination and
Service Guide).
2. (Trained service technician
only) Reseat the following
components:
a. Microprocessor 1
b. Microprocessor 2 (if
present)
3. (Trained service technician
only) Replace the following
components one at a time, in
the order shown, restarting the
server each time:
a. Microprocessor 1
b. Microprocessor 2 (if
present)
c. System board
(Trained service technician only)
Replace the system board.
1. Update the BIOS code again
(see "Updating the firmware" in
the Problem Determination and
Service Guide).
2. (Trained service technician
only) Replace microprocessor
xx.
1. Make sure that the correct
microprocessors are installed.
See "Parts listing" in the
Problem Determination and
Service Guide for a list of
supported microprocessors.
2. (Trained service technician
only) If the wrong
microprocessors are installed,
replace them with the correct
microprocessors. If the server
contains two microprocessors,
both microprocessors must be
the same type and have the
same speed.
Chapter 6. Solving problems
55

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