Epson 386SX User Manual
Page 190
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-on
Diagnostics