HwMuseum | Index

STANDARD MICROSYSTEMS CORPORATION

SMC 4003-PC

Data bus:

8-bit, ISA

Size:

Full-length, full-height card

Hard drive supported:

Two MFM ST506/412 drives

Floppy drives supported:

None

CONNECTIONS

Function

Location

34-pin control cable connector-hard drive

CN1

20-pin data cable connector-drive 0

CN2

20-pin data cable connector-drive 1

CN3

DRIVE 1 CONFIGURATION - JP2

Type

Capacity

Heads

Cylinders

Jumper 5

Jumper 6

Jumper 7

1

Drive 1 Not installed

open

open

open

2

Drive 0 and 1 parameters are the same

closed

open

open

3

10MB

4

306

open

closed

open

4

20MB

8

306

closed

closed

open

5

10MB

2

612

open

open

closed

6

20MB

4

612

closed

open

closed

7

closed

open

open

open

closed

closed

8

open

open

open

closed

closed

closed

DRIVE 0 CONFIGURATION - JP2

Type

Capacity

Heads

Cylinders

Jumper 1

Jumper 2

Jumper 3

Jumper 4

1

10MB

4

306

open

open

open

open

2

20MB

8

306

closed

open

open

open

3

15MB

6

306

open

closed

open

open

4

5MB

2

306

closed

closed

open

open

5

10MB

2

612

open

open

closed

open

6

20MB

4

612

closed

open

closed

open

7

21MB

4

640

open

closed

closed

open

8

32MB

6

640

closed

closed

closed

open

9

10MB

4

320

open

open

open

closed

10

20MB

8

320

closed

open

open

closed

11

42MB

5

977

open

closed

open

closed

12

37MB

5

855

closed

closed

open

closed

13

32MB

5

733

open

open

closed

closed

14

22MB

6

440

closed

open

closed

closed

15

12MB

4

360

open

closed

closed

closed

16

Reserved for non-standard types*

closed

closed

closed

closed

Note:*Only supported by OEM modification.

MISCELLANEOUS TECHNICAL NOTES

The entry point for the SMC 4003-PC’s built-in low-level format program is G=C800:6

The entry point for the SMC 4003-PC’s built-in head-parking utility is G=C800:4B0