Toshiba Satellite L300D Maintenance Manual page 109

3 Diagnostic Programs
Subtest 02 ODD
The ODD test runs on IDE CDROM/DVD-ROM & CD-RW. It will check the ODD
driver's functionality and performance.
1. Controller Test
2. Data Transfer Rate
3. Data CD Butterfly Seek
4. Data CD Random Seek
5. Data CD Sequence Seek
6. Tray Eject Test
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Check the CDROM controller's status.
Check the data transfer rate of the ODD drive. It will read data from the ODD disc
and calculate the data transfer rate. This test needs a data CD.
Check the seek function of the ODD 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.
Check the random seek function of ODD drive. Random access will reflect the
performance of the heads' random movement and seek. It tests for 1000 times.
Check the sequential seek function of ODD drive. Perform location test to CD-
RW under LBA mode with the location address increasing in sequence.
Check the eject function of the ODD. It will eject the ODD and ask the user to
confirm if the operation succeeds.
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3.7 Storage
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