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D
Performing System Diagnostics
...............
Starting System Diagnostics
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Selecting a Test.
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Resuming From an Error
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System Board Check
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Memory Check .................................
Keyboard Check ................................
Video Adapter and Display Check.
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Video adapter check
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Attribute check
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Character set check
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40-column character set check.
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320 x 200 graphics mode check
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640 x 200 graphics mode check
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Screen paging check
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Color video check
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Synccheck .................................
Run all above checks
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Floppy Disk Drives and Controller Check
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Formatting a diskette
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Starting the floppy disk drive check.
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Sequential seek check
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Random seek check.
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Write, read check.
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Speed check
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Run all above checks
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Parallel Port (Printer Interface) Check
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Serial Port (RS-232C) Check
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D-1
D-1
D-2
D-3
D-4
D-4
D-5
D-6
D-7
D-8
D-8
D-9
D-9
D-10
D-11
D-12
D-12
D-12
D-13
D-13
D-14
D-15
D-15
D-15
D-16
D-17
D-17
D-17
Alternate Serial Port Check
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. . . . . . . . . D-19
Dot-matrix Printer Check
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. . . . . . . . .
D-19
Hard Disk Drive and Controller Check. .
. . . . . . . . .
D-20
Seek check
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. . . . . . . . . D-21
Write, read check.
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. . . . . . . . .
D-21
Error detection and correction check.
. . . . . . . . .
D-22
Read, verify check
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. . . . . . . . . D-22
Run all above checks
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. . . . . . . . .
D-23
Exiting System Diagnostics
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. . . . . . . . . D-23
Error Codes and Messages
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. . . . . . . . .
D-24
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