Subtests
The four subtests in the
•Disk Controller Test
Checks the internal microcode of the
•Seek Test
Checks the drive’s ability to search for a specified track on the drive and to position the read/write heads of the drive to all tracks
•Read Test
Positions the read/write heads at each cylinder of the drive and verifies that all tracks on the drive can be read correctly
•Write Test
Positions the read/write heads at each cylinder of the drive and verifies that all tracks on the drive can be written to correctly
IDE CD ROM Drives Test Group
The subtests in the IDE CD ROM Drives test group check the functionality of the integrated drive electronics (IDE)
NOTES: Before running the IDE CD ROM Drives test group, install the
You must have a
The Audio Output Test requires a CD with audio tracks; all other subtests in this test group require a CD with data tracks. If the
Why Run an IDE CD ROM Drives Test?
If you encounter a problem while using an application program on a CD, the problem could result from the disc or from the drive. When you encounter problems, first try using a different CD. If the problem recurs, run the IDE CD ROM Drives test group.
These are the most common symptoms that might prompt you to test an IDE
•Seek errors are reported by the operating system or application programs.
•An error message appears on the screen stating that the computer cannot read from an IDE
Subtests
The five subtests in the IDE CD ROM Drives test group confirm the following drive functions:
•Drive Controller Test
Causes the drive to execute its internal
•Seek Test
Checks the drive’s ability to search for each block on the device.
•Read Test
Positions the read heads at each block of the device for reading data and verifies that all blocks on the device can be read correctly.
•Audio Output Test
Causes the drive to begin playing the first audio track on an audio CD. (To determine if the test passed, listen to the audio output of the drive.)
NOTE: The Audio Output Test does not run automat- ically as part of the IDE CD ROM Drives test group; you must select the subtest individually.
•Eject Removable Media
Checks the drive’s ability to eject the CD tray.
Running the Dell Diagnostics |