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Solving Problems 5-21
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 Pause on Error
0200 Failure Fixed Disk No
0210 Stuck Key No
0211 Keyboard error No
0212 Keyboard Controller Failed Yes
0213 Keyboard locked - Unlock key switch Yes
0220 Monitor type does not match CMOS - Run SETUP No
0230 System RAM Failed at offset No
0231 Shadow RAM Failed at offset No
0232 Extended RAM Failed at offset No
0233 Memory type mix No
0234 Memory Ecc single No
0235 Memory Ecc multiple No
0250 System battery is dead - Replace and run SETUP Yes
0251 System CMOS checksum bad - Default configuration used No
0260 System timer error No
0270 Real time clock error No
0271 Check date and time settings No
0297 ECC Memory error in base (extended) memory test in Bank
xx
Yes
02B2 Incorrect Drive A type - run SETUP No
02B3 Incorrect Drive B type - run SETUP No
02D0 System cache error - Cache disabled No
02F5 DMA Test Failed Yes
02F6 Software NMI Failed No
0401 Invalid System Configuration Data - run configuration utility No
None System Configuration Data Read Error No
0403 Resource Conflict No
0404 Resource Conflict
No