Toshiba Satellite M20, Maintenance Manual

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3.7 Storage 3 Diagnostic Programs
3. Audio CD Play
This test item is to check whether the audio play normally.
It needs an audio CD.
Start/End Track Number -- Specify the Track range to be played;
Time (1-20) -- Specify the time each track to be played.
4. Data CD Butterfly Seek
Check the seek function of the CDROM drive. It will perform a serial of seeking
operations. First locate the minimum LBA address, then the maximum, the sub-
minimum, the sub-maximum and meet at center point. This test needs a data CD.
5. Data CD Random Seek
Check the random seek function of CDROM drive. Random access will reflect
the performance of the heads’ random movement and seek. It tests 1000 times.
6. Data CD Sequence Seek
Check the sequential seek function of CDROM drive. Perform location test to
CD-RW under LBA mode with the location address increasing in sequence.
7. CDRW Write Test
Check the write function of CDRW drive. The CDRW disk must be formatted
with Direct CD format.
8. Tray Eject Test
Check the eject function of the CDROM. It will eject the CDROM and ask the
user to confirm if operation success.
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