Toshiba 650CT Maintenance Manual page 95

Enter the cylinder and head number in decimal notation. Repeat for each
bad track you want to format.
After entering the bad tracks, press Enter to execute the format.
(e) All track format
All tracks are formatted as good tracks, except those registered as bad tracks
in item (d) above, or those identified as bad tracks in track verification
described in item (f) below.
(f) 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 automati-
cally formatted as a bad track.
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 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.
3. Bad track FORMAT
To format a track as a bad track, enter the number for the drive, interleave, cylin-
der and head as indicated in the screen prompt shown below.
Drive number select (1:#1, 2:#2) ?
Interleave number (1 / 1 - 8) ?
Press Enter to return to the Hard Disk Format menu.
650CT
Press [Cylinder number (dddd)] ?
Press [Head number (dd)] ?
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