5-20 Problem Solving
BIOS Messages (Continued)
Message
Description
System timer error*
The timer test failed. Requires repair of the system
board.
UMB upper limit segment address:
nnnn
Displays the address
nnnn
of the upper limit of
the Upper Memory Blocks, indicating released
segments of the BIOS which may be reclaimed by
a virtual memory manager.
Video BIOS shadowed
The video BIOS is successfully copied to shadow
RAM.
* If your system displays this message, write down the message and notify your customer representative. If your system
fails after you made changes in the BIOS Setup menus, you may be able to correct the problem by entering Setup and
restoring the original values.
POST Error Codes and Messages
Whenever a recoverable error occurs during POST, BIOS displays a
message on the video display screen and causes the speaker to beep as
the message appears. The “POST Error Codes and Messages” table is a
list of the error codes and messages written at the start of each POST
test.
POST Error Codes and Messages
Code
Error Message
0162
BIOS unable to apply BIOS update to processor 1
0163
BIOS unable to apply BIOS update to processor 2
0164
BIOS does not support current stepping for processor 1
0165
BIOS does not support current stepping for processor 2
0200
Failure Fixed Disk
0210
Stuck Key
0211
Keyboard error
0212
Keyboard Controller Failed
0213
Keyboard locked - Unlock key switch
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 offset
0250
System battery is dead - Replace and run SETUP
0251
System CMOS checksum bad - Default configuration used
0260
System timer error
Summary of Contents for LS2400
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