Error Codes and Messages

The following table lists all the error codes and messages that may appear during system diagnostics testing.

system diagnostics error codes and messages

Error code

Message

System board

CPU ERROR

101

102

ROM CHECKSUM ERROR

103TIMER COUNTER REGISTER ERROR

104TIMER COUNTER ERROR

105DMA CONTROLLER REGISTER ERROR

105REFRESH ERROR

106DMA PAGE REGISTER ERROR

107KEYBOARD CONTROLLER TIMEOUT ERROR

108KEYBOARD CONTROLLER SELF DIAGNOSTIC ERROR

108KEYBOARD CONTROLLER WRITE COMMAND ERROR

109 INTERRUPT CONTROLLER ERROR

110CMOS SHUTDOWN BYTE ERROR

111CMOS BATTERY ERROR

112CMOS CHECKSUM ERROR

113 CPU INSTRUCTION ERROR

114PROTECT MODE ERROR 1

115PROTECT MODE ERROR 2

Memory

MEMORY ERROR

201

 

 

Keyboard

8042 ERROR

301

301

KEYBOARD ERROR

302

KEYBOARD IS NON-STANDARD, OR KEYBOARD

 

IS DEFECTIVE

C-12 Performing System Diagnostics