Iot command parameters for supported floppy types, Biot command parameters for supported floppy types – Motorola MVME166IG/D2 User Manual

Page 113

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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.

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