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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 N/A
0164 BIOS does not support current stepping for processor 1
0165 N/A
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
0270 Real time clock error
0297 ECC Memory error in base (extended) memory test in Bank xx
02B2 Incorrect Drive A type - run SETUP
02B3 Incorrect Drive B type - run SETUP
02D0 System cache error - Cache disabled
02F5 DMA Test Failed
02F6 Software NMI Failed
0401 Invalid System Configuration Data - run configuration utility
None System Configuration Data Read Error
0403 Resource Conflict
0404 Resource Conflict