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 - Math coprocessor
9 - Parallel port (printer interface)
11- Serial port
12 - Alternate serial port
14-
17 - Hard disk drives and controller
21- Alternate parallel port
8 1 - Parallel port (on video adapter)
Performing System Diagnostics |