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Color Graphics Adapter and CRT Check
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4-11
Color graphics adapter check
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4-12
Attribute check
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4-12
Character set check
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4-12
40-column character set check
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4-13
320x200 graphics mode check
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4-14
640x200 graphics mode check
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4-14
Screen paging check
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4-15
Light pen check
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4-15
Color video check
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4-16
Sync check
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4-16
Run all above checks
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4-17
Floppy Disk Drives and Controller Check
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4-17
Sequential seek check
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4-18
Random seek check
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4-18
Write, read check
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4-18
Speedcheck
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4-19
Disk change check
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4-19
Run all above checks
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4-20
Math Coprocessor Check (80287)
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4-20
Parallel Port (Printer Interface) Check
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4-21
Parallel Port (on Video Adapter) Check
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4-21
Serial Port (RS-232C) Check
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4-21
Alternate Serial Port Check
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4-23
Dot-matrix Printer Check
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4-23
Hard Disk Drives and Controller Check
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4-24
Seekcheck
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4-25
Write, read check
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4-25
Head select check
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4-26
Error detection and correction check
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4-26
Read, verify check
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4-27
Run all above checks
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4-27
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Moving the Hard Disk . . . . . . . . . . . . .
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5-1
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Diagnostics