IBM BladeCenter HS21 Series Problem Determination And Service Manual page 40

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
178 EEPROM not functional
184 Bad power-on password.
185 Corrupted boot sequence
186 Security hardware control logic error
187 VPD Serial Number not set
188 Bad EEPROM CRC #2
189 Three attempts to enter the incorrect
password.
196 Microprocessor cache mismatch detected.
198 Microprocessor speed mismatch detected.
199 Microprocessor technology mismatch
detected.
201 Base memory error or extended memory
error.
24
BladeCenter HS21 Types 1885 and 8853: Problem Determination and Service Guide
Action
(Trained service technician only) Replace the system
board assembly.
1. Run the Configuration/Setup Utility program,
select Load Default Settings, and save the
settings.
2. (Trained service technician only) Replace the
system board assembly.
1. Run the Configuration/Setup Utility program,
select Load Default Settings, and save the
settings.
2. (Trained service technician only) Replace the
system board assembly.
(Trained service technician only) Replace the system
board assembly.
(Trained service technician only) Replace the system
board assembly.
(Trained service technician only) Replace the system
board assembly.
Restart the blade server, run the Configuration/Setup
Utility program, and change the power-on password.
Make sure that all of the installed microprocessors
are of the same type and cache size. If they are not,
replace one of the microprocessors with a
microprocessor of the same type and cache size as
the remaining installed microprocessor.
Make sure that all of the installed microprocessors
are of the same type and speed. If they are not,
replace one of the microprocessors with a
microprocessor of the same type and speed as the
remaining installed microprocessor.
Make sure that all of the installed microprocessors
belong to the same family. If they are not, replace the
microprocessor that has the wrong technology.
1. Update the blade server firmware and restart the
blade server.
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