North Star DIMENSION Service Manual page 135

DIAGNOSTICS
(cont.) Service Diskette #2
Diskette Use this procedure to test a DIMENSION diskette drive.
Drive Test Have a formatted , blank diskette ready before selecting this
test option.
Note: The blank diskette must be formatted for 9 sectors
per track on both sides. This is the default mode of the
DIMENSION format utility.
CAUTION
The diskette drive test is only as reliable as the
blank diskette used to conduct the test. If the test
indicates a problem, use a different diskette. Don't
replace a drive before confirming errors with a
different diskette.
Procedure :
Using the Diskette Test Option
1. After loading Service Diskette #2, type A to select the Diskette Drive
Test.
DIMENSION Service Manual 3-23