Appendix E Performing System Diagnostics - Epson 3865X Plus User Manual

Appendix E
Performing System Diagnostics
This appendix describes how to check the operation of the main
unit and peripheral devices of your computer. You check these
devices using the diagnostics program on your Reference
diskette.
Run the diagnostics program if you are not sure whether a
device is performing correctly. The table at the end of this
appendix lists the error messages you may see during testing.
You can test the following devices, each of which is identified
by specific reference numbers:
1 - System board
2 - M e m o r y
3 - Keyboard
4 - Monochrome display adapter and CRT
5 - Color graphics adapter and CRT
6 - Diskette drives and controller
7
9 - Parallel port (printer interface)
11 - Serial port (RS-232C port)
1 2 - Alternate serial port
14 - Dot-matrix printer
1 7 - Hard disk drives and controller
21 - Alternate parallel port
8 1 - Parallel port (on video adapter)
- Math coprocessor
Performing System Diagnostics E-1