Hard Disk Format; Function Description - Toshiba T6400 Maintenance Manual

3.17 Hard Disk Format

This function executes the hard disk formatting command. There are two types of hard disk for-
matting:
Low level (physical) formatting
MS-DOS (logical) formatting
This Hard Disk Format function performs a low level format of the hard disk and executes the
following hard disk formats and check:
1. All track FORMAT
2. Good track FORMAT
3. Bad track FORMAT
4. Bad track CHECK
CAUTION: The contents of the hard disk will be erased when this program is executed.
Before executing the program, transfer the contents of the hard disk onto a floppy disk(s).
This can be done with the Toshiba MS-DOS BACKUP command. See the Toshiba MS-DOS
manual for details.

3.17.1 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
Sector sequences
Cylinders
Heads
Sectors
Sector length (bps)
Table 3-4 HDC status register contents
Table 3-5 HDC Error register contents
Item
120MB
0 to 1,521
0 to 3
1 to 39
512
Description
200MB
1 1
0 to 1,096
0 to 3
1 to 49
512
3-39