IBM System x3500 Service Manual page 154

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, System x3500 Type 7977," on page 41 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
166-198-000 BIOS cannot detect ASM. Reseat ASM
adapter in correct slot; ASM restart failure.
Unplug and cold boot server to reset ASM.
166-201-000 ISMP indicates I2C errors on bus X.
166-201-001 ISMP indicates I2C errors on bus P.
166-201-002 ISMP indicates I2C errors on bus I.
166-201-003 ISMP indicates I2C errors on bus C.
166-201-004 ISMP indicates I2C errors on bus M.
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IBM System x3500 Type 7977: Problem Determination and Service Guide
Action
1. Run the diagnostic test again.
2. Correct other error conditions (including other
failed systems-management tests and items that
are logged in the Remote Supervisor Adapter II
SlimLine system-error log) and retry.
3. Disconnect all server and device power cords
from the server, wait 30 seconds, reconnect the
power cords, and retry.
4. Reseat the Remote Supervisor Adapter II
SlimLine.
5. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. Remote Supervisor Adapter II SlimLine
b. (Trained service technician only) System
board
(Trained service technician only) Replace the system
board.
1. (Trained service technician only) Reseat the
power backplane.
2. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. (Trained service technician only) Power
backplane
b. (Trained service technician only) System
board
(Trained service technician only) Replace the system
board.
(Trained service technician only) Replace the system
board.
1. Reseat the DIMMs
2. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. DIMMs
b. (Trained service technician only) System
board