IBM 2193 Maintenance Service Manual page 92

Insert the diagnostics diskette into the diskette drive and
make sure that there is no CD in the CD-ROM drive.
Select Interactive Tests menu, then select and execute
CD-ROM Test.
002 - DO YOU SEE A MESSAGE "NO CD-ROM DRIVE OR
MSCDEX DEVICE DRIVER INSTALLED." ? (YES,
READ AHEAD. NO, GO TO 003.)
Exit the diagnostics program and power off the system.
Check and make sure that the CD-ROM drive power cable
and audio and data cables are not damaged and are
connected properly.
Check and make sure that the CD-ROM drive driver is
loaded correctly.
Load default settings.
003 - DO THE TESTS OF OPEN/CLOSE TRAY BY
DIAGNOSTICS PROGRAM AND BY DEPRESSING
CD-ROM DRIVE BUTTON WORK? (YES, READ
AHEAD. NO, GO TO STEP 006.)
Load a known good data CD into the CD-ROM drive and
try to read its content by typing DIR at DOS prompt.
004 - CAN A CD BE READ FROM THE CD-ROM DRIVE?
(YES, THEN THE CD-ROM DRIVE FUNCTIONS
NORMALLY. NO, READ AHEAD.)
Try reading the CD with a known good CD-ROM drive.
005 - IS THE CD STILL NOT READABLE? (YES, READ
AHEAD. NO, GO TO STEP 006.)
Replace system board.
End.
006 -
Replace CD-ROM drive.
End.
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