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

101CPU ERROR

102ROM 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

109INTERRUPT CONTROLLER ERROR

110CMOS SHUTDOWN BYTE ERROR

111CMOS BATTERY ERROR

112CMOS CHECKSUM ERROR

113INSTRUCTION ERROR

114PROTECT MODE ERROR 1

115PROTECT MODE ERROR 2

Memory

201 MEMORY/PARITY ERROR

Keyboard

301KEYBOARD ERROR

302KEYBOARD IS NON-STANDARD, OR KEYBOARD IS DEFECTIVE

Monochrome display adapter and CRT

401V-RAM ERROR

402VIDEO SIGNAL ERROR

403ATTRIBUTE ERROR

404CHARACTER SET ERROR

Performing System Diagnostics

C-37