Epson 486SX User Manual page 159

Power-on diagnostics error messages (continued)
Error code
Memory
171
173
201
202
203
Keyboard
301
303
304
Monitor
401
501
Diskette drive(s) and
controller
601
Parallel port (printer
interface)
901
Serial port (RS-232C
port)
1101
B-4
Troubleshooting
BIOS shadow RAM error 1 Contact dealer
Cache options error
Memory error
Memory address error
Memory address error
Keyboard error
Keyboard or system
unit error
Keyboard or system
unit error
CRT error
CRT error
Diskette error
Parallel port error
Serial port error
Action
Run Setup; see
Chapter 2
See "Keyboard
Problems"
See "Monitor
Problems"
See "Diskette
Problems" or 'Diskette
Drive Problems"
See "Printer Problems"
See "Printer Problems"