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System diagnostics tests (continued)
-
Color graphics
adapter and CRT
Diskette drive(s)
and controller
Math
coprocessor
Parallel port (printer
interface)
Serial port
(RS-232C)
Alternate
serial port
Adapter check
Attribute check
Character set check
Graphics mode check
Screen paging check
Light pen check
Video check
Sync check
Run all above checks
Sequential seek check
Random seek check
Write, read check
Disk change check
Run all above checks
Tests all types
of color monitors
Tests operation
of the diskette
drive(s); requires
a formatted
diskette for some
tests
Tests the
operation of the
80387SX math
coprocessor
Tests the primary
parallel port;
requires a loop-
back connector
(contact your
dealer)
Tests the primary
serial port;
requires a loop-
back connector
(contact your
dealer)
Tests the
secondary serial
port; similar to
primary serial port
test
E-10
Performing System Diagnostics