IBM x3950 Problem Determination And Service Manual page 89

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 8878 and 8879," on page 109 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
166-260-000 ASM restart failure.
166-342-000 System management BIST indicates failed
tests.
166-400-000 ISMP Self Test Result failed tests: xxx
where xxx=flash, ROM, or RAM.
166-400-100 DMC Self Test Result failed tests: xxx where
xxx=flash, ROM, or RAM.
180-197-000 SCSI ASPI driver not installed.
Action
1. Disconnect all server and option power cords
from the server, wait 30 seconds, reconnect the
power cords, and retry.
2. Reseat the Remote Supervisor Adapter II
SlimLine.
3. Replace the Remote Supervisor Adapter II
SlimLine.
1. Disconnect all server and option power cords
from the server, wait 30 seconds, reconnect the
power cords, and retry.
2. Reseat the Remote Supervisor Adapter II
SlimLine.
3. Replace the Remote Supervisor Adapter II
SlimLine.
1. Disconnect all server and option power cords
from the server, wait 30 seconds, reconnect the
power cords, and retry.
2. Update the BMC firmware (see "Updating the
firmware" on page 151).
3. Reseat the I/O board.
4. Replace the I/O board.
1. Disconnect all server and option power cords
from the server, wait 30 seconds, reconnect the
power cords, and retry.
2. Update the BIOS code, BMC, service processor,
and diagnostics firmware (see "Updating the
firmware" on page 151).
1. Remove the RAID adapter, if one is installed, and
run the test again.
2. Reseat the following components:
a. SAS hard disk drive backplane cables
b. I/O board
c. Microprocessor tray
3. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. SAS hard disk drive backplane
b. I/O board
c. (Trained service technician only)
Microprocessor tray
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Chapter 2. Diagnostics