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System diagnostics tests (continued)
Device
Tests available
Dot-matrix
Description
Tests the
operation of a
dot-matrix printer
in several modes;
requires the
printer to be
loaded with paper
Hard disk drive(s)
and controller
Alternate parallel
Port
Seek check
Write, read check
Read, verify check
Run all above checks
Tests the
operation
of the hard disk
drive(s)
Tests the
secondary
parallel port;
similar to primary
parallel port test
Parallel port on a
video adapter
Tests the parallel
port included
on a video
adapter; requires
a loop-back
connector
(contact your
dealer)
Performing System Diagnostics
E-11