Motorola MVME166, Installation Manual

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IOT Command Parameters for Supported Floppy Types
MVME166IG/D2 B-5
B
IOT Command Parameters for Supported Floppy Types
The following table lists the proper IOT command parameters for floppies
used with boards such as the MVME328, MVME166, and MVME187.
IOT Parameter
Floppy Types and Formats
DSDD5 PCXT8 PCXT9 PCXT9_3 PCAT PS2 SHD
Sector Size
0- 128 1- 256 2- 512
3-1024 4-2048 5-4096 =
1 2 2 2 2 2 2
Block Size:
0- 128 1- 256 2- 512
3-1024 4-2048 5-4096 =
1 1 1 1 1 1 1
Sectors/Track 10 8 9 9 F 12 24
Number of Heads = 2 2 2 2 2 2 2
Number of Cylinders = 50 28 28 50 50 50 50
Precomp. Cylinder = 50 28 28 50 50 50 50
Reduced Write Current
Cylinder = 50 28 28 50 50 50 50
Step Rate Code = 0 0 0 0 0 0 0
Single/Double DATA
Density = D D D D D D D
Single/Double TRACK
Density = D D D D D D D
Single/Equal_in_all Track
Zero Density = S E E E E E E
Slow/Fast Data Rate = S S S S F F F
Other Characteristics
Number of Physical Sectors 0A00 0280 02D0 05A0 0960 0B40 1680
Number of Logical Blocks
(100 in size) 09F8 0500 05A0 0B40 12C0 1680 2D00
Number of Bytes in Decimal 653312 327680 368460 737280 1228800 1474560 2949120
Media Size/Density 5.25/DD 5.25/DD 5.25/DD 3.5/DD 5.25/HD 3.5/HD 3.5/ED
NOTES: 1. All numerical parameters are in hexadecimal unless otherwise noted.
2. The DSDD5 type floppy is the default setting for the debugger.