User Guide

File No. 960-140
3-41
3.18.1 Function Description
1. All Track FORMAT
This option performs a low-level format of all the tracks on the hard disk as listed in
Table 3-5 below:
NOTE: Before executing the all track format option, check for bad tracks using the Bad
Track CHECK option or display a list of bad tracks on the HDD.
Table 3-5 Hard disk formatting sequence
Items IBM DYKA-22160 IBM DYKA-23240
Storage capacity
Formatted (Bytes)
2,167,603,200 3,253,469,184
Cylinders 4,200 6,304
Heads 16 16
Sectors 63 63
Bytes per sector 512 512
Rotation speed (rpm) 4,200 4,200
Recording method 8-9 RLL 8-9 RLL
2. Good Track FORMAT
This option formats a specified cylinder and track as a good track. If a good track is
formatted as a bad track, use this option to change the track to a good track.
3. Bad Track FORMAT
This option formats a specified cylinder and track as a bad track. If a bad track is
detected, use this option to label it as a bad track.
4. Bad Track CHECK
This option searches the hard disk for bad tracks by reading data to all the tracks on
the hard disk. A list of bad tracks displays when the program is complete. If an error
other than a bad track is detected, the program is automatically terminated.