420 Series 3-41
3.19.1 Function Description
1. All track FORMAT
This option performs a low-level format of all the tracks on the hard disk as shown
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
770 MB 1.26 GB
Items MK1926FCV DSOA-20810 MK1301MAV
Formatted capacity (byte) 814,915,584 812,851,200 1,358,880,768
Number of disks 3 2 3
Logical heads 16 16 16
Logical cylinders 1,579 1,575 2,633
Bytes per sector 512 512 512
Rotation speed (rpm) 4,200 4,000 4,200
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 is displayed when the program is complete.
If an error other than a bad track is detected, the program is automatically termi-
nated.
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