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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, TD100 Types 6398, 6399, 6419, 6429, 4203, and 4206,” on page 25 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 Action
166-198-000 BIOS cannot detect ASM. Reseat ASM
adapter in correct slot; ASM restart failure.
Unplug and cold boot server to reset ASM.
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 option 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 components listed in step 4 one at a
time, in the order shown, restarting the server
each time.
166-201-000 ISMP indicates I2C errors on bus X. (Trained service technician only) Replace the system
board.
166-201-001 ISMP indicates I2C errors on bus P.
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
166-201-002 ISMP indicates I2C errors on bus I. (Trained service technician only) Replace the system
board.
166-201-003 ISMP indicates I2C errors on bus C. (Trained service technician only) Replace the system
board.
166-201-004 ISMP indicates I2C errors on bus M.
1. Reseat the DIMM.
2. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. DIMM
b. (Trained service technician only) System
board
166-201-005 ISMP indicates I2C errors on bus S.
1. Reseat the SAS/SATA hard disk drive backplane
cables.
2. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. SAS/SATA hard disk drive backplane
b. System board
196 ThinkServer TD100 and TD100x: Hardware Maintenance Manual