Toshiba T4500 User Manual page 92

All Track Format
All tracks are formatted as good tracks except those registered as bad tracks (described
above) or those identified as bad tracks in track verification described below.
Track Verification
A check is made of all tracks and if an ECC error, ECC-correctable-data error or record-
not-found error is detected at a track, that track is formatted as a bad track automatical-
ly.
2. Good Track FORMAT
If a good track has been erroneously formatted as a bad track, you can use this subtest to
reformat the track as a good track. To format a track as a good track, enter the number for
the drive, interleave, cylinder and head as indicated in the screen prompts shown below.
Drive number select (1:#1, 2:#2) ?
Interleave number (1 / 1 - 8) ?
Press [Cylinder number (dddd)] ?
Press [Head number (dd)] ?
Press Enter to return to the Hard Disk Format menu.
3. Bad Track FORMAT
To format a track as a bad track, enter the number for the drive, interleave, cylinder and
head as indicated in the screen prompt shown below.
Drive number select (1:#1, 2:#2) ?
Interleave number (1 / 1 - 8) ?
Press [Cylinder number (dddd)] ?
Press [Head number (dd)] ?
Press Enter to return to the Hard Disk Format menu.
4. Bad track CHECK
This subtest reads the entire disk and displays a list of bad tracks. The test is terminated in
case of a bad track check error. To initiate the subtest, enter the drive number at the prompt
shown below.
Drive number select (1:#1, 2:#2) ?
Bad tracks will be displayed in the format shown below.
3-39