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Chapter 6
Troubleshooting
The Computer Won’t Start
...........................
6-1
The Computer Does Not Respond
......................
6-2
Keyboard Problems
.................................. 6-3
Monitor Problems
...................................
6-4
Diskette Problems
...................................
6-5
Diskette Drive Problems
..............................
6-8
Hard Disk Problems.
.................................
6-9
Software Problems
...................................
6-11
Printer Problems
....................................
6- 12
Option Card Problems
...............................
6- 13
Appendix A
Specifications
CPU and Memory
...................................
A-1
Controllers.
........................................
A- 1
Interfaces
.......................................... A-2
Power Supply.
......................................
A-2
Mass Storage
....................................... A-2
Keyboard..
......................................
.. A- 3
Environmental Requirements.
......................... A-4
Physical Characteristics (CPU only)
....................
A-4
Power Requirements
.................................
A-4
Video and Display Options.
...........................
A-4
Other Apex Options
.................................
A-5
Monitors
......................................
A-5
ActionPrinters by Epson
......................... A-5
ActionPrinter Accessories
........................ A-6
Computer Accessories
...........................
A-7
Parallel Port Pin Assignments.
.........................
A-7
Serial Port Pin Assignments
...........................
A-8
Keyboard Connector Pin Assignments.
..................
A-8
Parallel Port Loop-back Connector Pin Assignments
.......
A-9
Serial Port Loop-back Connector Pin Assignments.
........
A-9