IBM System x3500

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 Action
166-201-005 ISMP indicates I2C errors on bus S.
1. Reseat the SAS 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 hard disk drive backplane
b. (Trained service technician only) System
board
166-201-006 ISMP indicates I2C errors on bus O.
1. (Trained service technician only) Reseat the
operator information panel.
2. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Operator information panel
b. (Trained service technician only) System
board
166-201-007 ISMP indicates I2C errors on bus M0.
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
166-201-008 ISMP indicates I2C errors on bus M1.
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
166-260-000 ASM restart failure.
1. Disconnect all server and device 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.
Chapter 5. Diagnostics 145