Table 28 - Typical Values for Formatting
FORMAT SECTOR SIZE
N
SC
GPL1
GPL2
128
128
512
1024
2048
4096
...
00
00
02
03
04
05
...
12
10
08
04
02
01
07
10
18
46
C8
C8
09
19
30
87
FF
FF
FM
5.25"
Drives
256
256
01
01
02
03
04
05
...
12
10
09
04
02
01
0A
20
2A
80
C8
C8
0C
32
50
F0
FF
FF
512*
1024
2048
4096
...
MFM
128
256
512
0
1
2
0F
09
05
07
0F
1B
1B
2A
3A
FM
3.5"
Drives
256
512**
1024
1
2
3
0F
09
05
0E
1B
35
36
54
74
MFM
GPL1 = suggested GPL values in Read and Write commands to avoid splice point
between data field and ID field of contiguous sections.
GPL2 = suggested GPL value in Format A Track command.
*PC/AT values (typical)
**PS/2 values (typical). Applies with 1.0 MB and 2.0 MB drives.
NOTE: All values except sector size are in hex.
61
SMSC [ SMSC CORPORATION ]
