North Star DIMENSION Service Manual page 161

DIAGNOSTICS
(cont.) Service Diskette #3
Test Options The following list explains the selection key, test name, and
test description of the options available from the main menu
of the TBU.EXE program.
Key Test Name Test Description
[F1] Quick System Test
[F2] Functional Test
This option provides a fast , overall
evaluation of the tape drive, tape drive
interface board, interface harness and tape
cassette.
The tape drive is rewound and a file is
written to the drive .
This is followed by
a read and compare of the data in the
file. The test takes approximately 30
seconds.
This option provides a more extensive
analysis than the Quick System Test.
The tape cassette is erased and files are
written over the entire length of tape to
check operation of all tape drive heads.
Selected portions of the files are read and
compared. The test takes about 20
minutes.
[F3] Extended Test This option thoroughly tests the entire
tape drive system. Files are written over
the entire length of tape and then read
and compared.
DIMENSION Service Manual 3-49