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 |