IOT Command Parameters for Supported Floppy Types

 

IOT Command Parameters for Supported Floppy Types

B

 

The following table lists the proper IOT command parameters for floppies

 

used with boards such as the MVME328 and MVME197LE.

 

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.

MVME197LEIG/D1

B-5

Page 93
Image 93
Motorola MVME197LE manual IOT Command Parameters for Supported Floppy Types, IOT Parameter