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Disk/Tape Controller Data
IOT Command Parameters for Supported
B
Floppy Types
IOT Parameter
Sector Size
0- 128 1- 256 2- 512
3-1024 4-2048 5-4096 =
Block Size:
0- 128 1- 256 2- 512
3-1024 4-2048 5-4096 =
Sectors/Track
Number of Heads =
Number of Cylinders =
Precomp. Cylinder =
Reduced Write Current
Cylinder =
Step Rate Code =
Single/Double DATA
Density =
Single/Double TRACK
Density =
Single/Equal_in_all Track
Zero Density =
Slow/Fast Data Rate =
Other Characteristics
Number of Physical Sectors
B-4
The following table lists the proper IOT command parameters for
floppies used with boards such as the MVME328 and MVME162LX.
DSDD5
PCXT8
1
1
10
2
50
50
50
0
D
D
S
S
0A00
0280
Floppy Types and Formats
PCXT9 PCXT9_3
2
2
2
1
1
1
8
9
9
2
2
2
28
28
50
28
28
50
28
28
50
0
0
0
D
D
D
D
D
D
E
E
E
S
S
S
02D0
05A0
PCAT
PS2
SHD
2
2
2
1
1
1
F
12
24
2
2
2
50
50
50
50
50
50
50
50
50
0
0
0
D
D
D
D
D
D
E
E
E
F
F
F
0960
0B40
1680
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