Power-on diagnostics error codes and messages Table

Error code

Message

Notes

 

 

 

System Board

 

 

101

SYSTEM BOARD ERROR

INTC (8259)

102

SYSTEM BOARD ERROR

Timer (8254)

103

SYSTEM BOARD ERROR

Timer (8254)

105

SYSTEM BOARD ERROR

NMI generated (Parity

 

 

error or other)

106

SYSTEM BOARD ERROR

DMA page register

 

 

failure

108

SYSTEM BOARD ERROR

Timer (8254)

 

 

Real-time Clock

 

161

SYSTEM OPTIONS NOT SET

Power failure

162

SYSTEM OPTIONS NOT SET

Check-sum error

163

TIME AND DATE NOT SET

Invalid value

164

MEMORY SIZE ERROR

 

 

 

 

Memory

 

 

181

SYSTEM EXTENDED MEMORY Memory overlap

 

ERROR

 

182

SYSTEM RESERVED MEMORY Memory overlap

 

ERROR

(384KB)

201

RAM ERROR

First 64KB

202

MEMORY ADDRESS ERROR

Memory data or

 

 

parity error

203

MEMORY ADDRESS ERROR

Memory data or

 

 

parity error

 

 

 

Keyboard

 

 

301

KEYBOARD ERROR

 

303

KEYBOARD OR 8042 ERROR

 

304

KEYBOARD OR 8042 ERROR

 

 

 

Diskette drive(s) and controller

 

601

DISKETTE ERROR

 

Parallel port (printer interface)

901 PARALLEL PORT ERROR

Serial port (RS-232C port)

1101 SERIAL PORT ERROR

B-2 Power-onDiagnostics