5-20 Problem SolvingPOST Error Codes and MessagesWhenever a recoverable error occurs during POST, BIOS displays a message on thevideo 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 messageswritten at the start of each POST test.POST Error Codes and MessagesCode Error message Pause on Error0162 BIOS unable to apply BIOS update to processor 1 Yes0163 BIOS unable to apply BIOS update to processor 2 Yes0164 BIOS does not support current stepping for processor 1 Yes0165 BIOS does not support current stepping for processor 2 Yes0200 Failure Fixed Disk No0210 Stuck Key No0211 Keyboard error No0212 Keyboard Controller Failed Yes0213 Keyboard locked - Unlock key switch Yes0220 Monitor type does not match CMOS - Run SETUP No0230 System RAM Failed at offset: No0231 Shadow Ram Failed at offset: No0232 Extended RAM Failed at offset: No0250 System battery is dead - Replace and run SETUP Yes0251 System CMOS checksum bad - Default configuration used Yes0260 System timer error No0270 Real time clock error No0297 ECC Memory error in base (extended) memory test in Bank xx Yes02B2 Incorrect Drive A type - run SETUP No02B3 Incorrect Drive B type - run SETUP No02D0 System cache error - Cache disabled No02F5 DMA Test Failed Yes02F6 Software NMI Failed No0401 Invalid System Configuration Data - run configuration utility NoNone System Configuration Data Read Error No0403 Resource Conflict No0404 Resource Conflict No0405 Expansion ROM not initialized No