D Performing System Diagnostics
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D-1
Starting System Diagnostics
...............................
D-1
Modifying the DEVICE LIST
..........................
D-2
Selecting a Test
............
.............................
D-3
Resuming From an Error
.................................
D-4
System Board Check
....................................
D-5
Memory Check
.........................................
D-5
Keyboard Check ........................................
D-6
Video Check
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D-7
Video RAM check
...................................
D-7
Attribute check
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D-8
Character set check
..................................
D-8
40-column character set check
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D-9
320x200 graphics mode check
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D-9
640x200 graphics mode check
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D-10
640x480 graphics mode check
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D-11
Monochrome/Color video check
.......................
D-11
Run all above checks
.................................
D-12
Floppy Disk Drives and Controller Check
...................
D-12
Sequential seek check
.................................
D-13
Random seek check
..................................
D-14
Write, read check
....................................
D-14
Run all above checks
.................................
D-15
Math Coprocessor (8087) Check
...........................
D-15
Parallel Port (Printer Interface) Check
.......................
D-15
Serial Port (RS-232C Port) Check
..........................
D-16
Alternate Serial Port Check
...............................
D-17
Dot-Matrix Printer Check
................................
D-18
Hard Disk Drives and Controller Check
....................
D-19
Seekcheck .........................................
D-19
Write, read check
....................................
D-20
Read, verify check
...................................
D-20
Run all above tests
...................................
D-21
Alternate Parallel Port Check
.............................
D-21
Parallel Port (on Video Adapter) Check
.....................
D-22
Exiting System Diagnostics
........................
..
......
D-22
Error Codes and Messages
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D-22
. . .
vlll
Contents
