GM82C803CN Datasheet, PDF (51/84 Pages) List of Unclassifed Manufacturers – 2.88 MB FDC/ Dual UARTs with FIFO/PIO(EPP/ ECP)/ IDE Interface/ S-IR/ PnP

Table 4-25. Typical Values for PC Compatible Diskette Media
Media
Type
Sector Size
Decimal
Sector Code
hex
EOT
hex
360K
512
1.2M
512
720K
512
1.44M
512
2.88M
512
2
9
2
F
2
9
2
12
2
24
GM82C803CN
Sector Gap
hex
2A
1B
1B
1B
1B
Format Gap 3
hex
50
54
50
6C
53
< System 34 Format Double Density >
GAP SYNC
4a 12x
80x 00
4E
IAM GAP SYNC IDAM
50x 12x
3x
4E
C2 ^FC
00 _3x
A1 ^FE
C
Y
L
H
D
S
E
C
N
O
C
R
C
GAP2 DATA AM
22x
4E ^3x FB
A1 FB
DATA _C
R
C
GAP3
GAP4b
< System 3740 Format Single Density >
GAP SYNC
4a 12x
80x 00
FF
IAM
FC
GAP SYNC IDAM
25x 6x
4E 00
FE
C
Y
L
H
D
S
E
C
N
O
C
R
C
GAP2 SYNC DATA AM
11x 6x
4E 00
FB or F8
DATA _C
R
C
GAP3 GAP4b
< Perpendicular Format >
GAP SYNC IAM GAP SYNC IDAM
4a 6x
50x 12x
80x 00
4E
3x
4E
C2 ^FC
00
3x
A1 ^FE
C
Y
L
H
D
S
E
C
N
O
C
R
C
GAP2 SYNC DATA AM
41x 12x
4E 00 3x FB
DATA _C
R
C
GAP3 GAP4b
A1 F8