IBM BladeCenter HS21 Series Problem Determination And Service Manual page 39

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, Types 1885 and 8853," on page 73 to determine which components are CRUs
and which components are FRUs.
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
161 Real-time clock battery failure
162 Invalid configuration information or CMOS
RAM checksum failure.
163 Time of day not set.
164 Memory size does not match CMOS.
175 Bad EEPROM CRC #1
177 Bad checksum
Action
1. Run the Configuration/Setup Utility program.
2. Reseat the battery.
3. Replace the following components one at a time,
in the order shown, restarting the blade server
each time:
a. Battery
b. (Trained service technician only) System
board assembly
1. Run the Configuration/Setup Utility program,
select Load Default Settings,and save the
settings.
2. Reseat the battery.
3. Replace the following components one at a time,
in the order shown, restarting the blade server
each time:
a. Battery
b. (Trained service technician only) System
board assembly
1. Run the Configuration/Setup Utility program,
select Load Default Settings, make sure that the
date and time are correct, and save the settings.
2. Reseat the battery.
3. Replace the following components one at a time,
in the order shown, restarting the blade server
each time:
a. Battery
b. (Trained service technician only) System
board assembly
1. Run the Configuration/Setup Utility program,
make sure that the memory configuration is
correct,and save the settings.
2. Reseat the DIMMs.
3. Replace the following components one at a time,
in the order shown, restarting the blade server
each time:
a. DIMMs
b. (Trained service technician only) System
board assembly
(Trained service technician only) Replace the system
board assembly.
(Trained service technician only) Replace the system
board assembly.
23
Chapter 2. Diagnostics