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Power-on diagnostics error codes and messages Table
Error code
Message
System Board
101
SYSTEM BOARD ERROR
102
SYSTEM BOARD ERROR
103
SYSTEM BOARD ERROR
105
SYSTEM BOARD ERROR
106
SYSTEM BOARD ERROR
108
SYSTEM BOARD ERROR
Real-time Clock
161
SYSTEM OPTIONS NOT SET
162
SYSTEM OPTIONS NOT SET
163
TIME AND DATE NOT SET
164
MEMORY SIZE ERROR
Memory
181
182
201
202
203
Keyboard
301
303
304
INTC (8259)
Timer (8254)
Timer (8254)
NMI generated (Parity
error or other)
DMA page register
failure
Timer (8254)
Power failure
Check-sum error
Invalid value
SYSTEM EXTENDED MEMORY Memory overlap
ERROR
SYSTEM RESERVED MEMORY Memory overlap
(384KB)
ERROR
First 64KB
RAM ERROR
Memory data or
MEMORY ADDRESS ERROR
parity error
Memory data or
MEMORY ADDRESS ERROR
parity error
KEYBOARD ERROR
KEYBOARD OR 8042 ERROR
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
Notes
Power-on Diagnostics