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POST Error Messages
When the POST detects an error, it displays an error message on the display unit screen. The following table lists the
error messages, their descriptions, and the actions to take.
On-screen error messages related to devices such as processor, memory, and fans and installation locations are
associated as shown in the figure on pages 8-24 to 8-28.
IMPORTANT:
representative. Alarm messages include useful information for maintenance. The IPMI
information is also useful for maintenance purposes.
Error
Error message
code
0220
Monitor type does not match CMOS - Run
SETUP.
0230
System RAM Failed at offset.
0231
Shadow Ram Failed at offset.
0232
Extended RAM Failed at address line.
0250
System battery is dead - Replace and run
SETUP.
0251
System CMOS checksum bad - Default
configuration used.
0252
Password checksum bad - Passwords cleared. The password has just been cleared. Start the SETUP
0260
System timer error.
0270
Real time clock error.
0271
Check date and time setting.
0280
Previous boot incomplete – Default
configuration used
02D0
System cache error - Cache disabled.
02D1
System Memory exceeds the CPU's caching
limit.
02F5
DMA Test Failed.
02F6
Software NMI Failed.
02F7
Fail-safe Timer NMI Failed.
0615
COM B configuration changed.
0616
COM B config. error - device disabled.
0B28
Unsupported Processor detected on
Processor 1.
0B29
Unsupported Processor detected on
Processor 2.
0B2A
Unsupported Processor detected on
Processor 3.
0B2B
Unsupported Processor detected on
Processor 4.
0B50
Processor #1 with error taken off line.
0B51
Processor #2 with error taken offline.
0B52
Processor #3 with error taken offline.
0B53
Processor #4 with error taken offline.
0B5F
Forced to use Processor with error
0B70
The error occurred during temperature sensor Contact your service representative.
Note the messages that are displayed before consulting with your service
Recommended Action
Start the SETUP.
If the error cannot be corrected, contact your service
representative.
Contact your service representative.
Contact your service representative to replace the
battery. (Restart the computer, and start the SETUP to
provide the setting again.)
The default values have just been set.
Start the SETUP to provide the setting again. If the
error cannot be corrected, contact your service
representative.
to provide the setting again.
Start the SETUP to set the date and time again.
If the error occurs again, contact your service
representative.
Contact your service representative.
The cache cannot be used. Contact your service
representative.
Contact your service representative.
Contact your service representative.
Make sure that the server supports the processor. If
you are not sure, contact your service representative
to request the maintenance.
The processor is degraded. Contact your service
representative.
Because an error is detected in every processor, the
system is forcibly started. Contact your service
representative.
8-15
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