IBM LS20 - BladeCenter - 8850 Service Manual page 36

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 3, "Parts listing, Type 8850," on page 53 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
662 Diskette drive configuration error.
11xx System board serial port 1 or 2 error.
1162 Serial port configuration conflicts.
1200 Processor machine check.
1295 ECC circuit check.
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AMD Opteron LS20 Type 8850 for IBM BladeCenter: Problem Determination and Service Guide
Action
1. Run the Configuration/Setup Utility program.
2. Reseat the following components:
a. Diskette drive
b. Diskette drive cable
3. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. Diskette drive
b. Diskette drive cable
c. (Trained service technician only) System
board assembly
1. Reseat the external cable on the serial port.
2. Run the Configuration/Setup Utility program.
3. (Trained service technician only) Replace the
system board assembly.
1. Run the Configuration/Setup Utility program
ensure that the IRQ and I/O port assignments
needed by the serial port are available.
2. If all interrupts are being used by adapters,
remove an adapter or force other adapters to
share an interrupt.
1. Reseat the following components:
a. (Trained service technician only)
Microprocessor 1
b. (Trained service technician only)
Microprocessor 2
2. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. (Trained service technician only)
Microprocessor 1
b. (Trained service technician only)
Microprocessor 2
c. (Trained service technician only) System
board assembly
(Trained service technician only) Replace the system
board assembly.