STANDARD MICROSYSTEMS CORPORATION
SMC 4004-PC
| 
 
  | |
| 
 Data bus:  | 
 8-bit, ISA  | 
| 
 Size:  | 
 Half-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 - SW1  | |||||||
| 
 Type  | 
 Capacity  | 
 Heads  | 
 Cylinders  | 
 Jumper 6  | 
 Jumper 7  | 
 Jumper 10  | 
 Jumper 11  | 
| 
 0  | 
 5MB  | 
 2  | 
 306  | 
 closed  | 
 closed  | 
 closed  | 
 closed  | 
| 
 1  | 
 20MB  | 
 8  | 
 375  | 
 open  | 
 closed  | 
 closed  | 
 closed  | 
| 
 2  | 
 15MB  | 
 6  | 
 306  | 
 closed  | 
 open  | 
 closed  | 
 closed  | 
| 
 3  | 
 10MB  | 
 4  | 
 306  | 
 open  | 
 open  | 
 closed  | 
 closed  | 
| 
 4*  | 
 5MB  | 
 2  | 
 306  | 
 closed  | 
 closed  | 
 open  | 
 closed  | 
| 
 5  | 
 30MB  | 
 5  | 
 637  | 
 open  | 
 closed  | 
 open  | 
 closed  | 
| 
 6  | 
 20MB  | 
 4  | 
 612  | 
 closed  | 
 open  | 
 open  | 
 closed  | 
| 
 7**  | 
 20MB  | 
 4  | 
 612  | 
 open  | 
 open  | 
 open  | 
 closed  | 
| 
 Note:*Type 4 is Buffered Seek Version of Type 0. **Type 7 is a Precomp Version of Type 6.  | |||||||
| 
 DRIVE 0 CONFIGURATION - SW1  | |||||||
| 
 Type  | 
 Capacity  | 
 Heads  | 
 Cylinders  | 
 Jumper 8  | 
 Jumper 9  | 
 Jumper 12  | 
 Jumper 13  | 
| 
 0  | 
 5MB  | 
 2  | 
 306  | 
 closed  | 
 closed  | 
 closed  | 
 closed  | 
| 
 1  | 
 20MB  | 
 8  | 
 375  | 
 open  | 
 closed  | 
 closed  | 
 closed  | 
| 
 2  | 
 15MB  | 
 6  | 
 306  | 
 closed  | 
 open  | 
 closed  | 
 closed  | 
| 
 3  | 
 10MB  | 
 4  | 
 306  | 
 open  | 
 open  | 
 closed  | 
 closed  | 
| 
 4*  | 
 5MB  | 
 2  | 
 306  | 
 closed  | 
 closed  | 
 open  | 
 closed  | 
| 
 5  | 
 30MB  | 
 5  | 
 637  | 
 open  | 
 closed  | 
 open  | 
 closed  | 
| 
 6  | 
 20MB  | 
 4  | 
 612  | 
 closed  | 
 open  | 
 open  | 
 closed  | 
| 
 7**  | 
 20MB  | 
 4  | 
 612  | 
 open  | 
 open  | 
 open  | 
 closed  | 
| 
 Note:*Type 4 is Buffered Seek Version of Type 0. **Type 7 is a Precomp Version of Type 6.  | |||||||
x
| 
 BIOS ADDRESS  | |||
| 
 Address  | 
 SW1/jumper 1  | 
 SW1/jumper 2  | 
 SW1/jumper 5  | 
| 
 Disabled  | 
 N/A  | 
 N/A  | 
 open  | 
| 
 C800h  | 
 closed  | 
 open  | 
 closed  | 
| 
 CA00h  | 
 open  | 
 closed  | 
 closed  | 
| 
 I/O ADDRESS  | ||
| 
 Address  | 
 SW1/jumper 3  | 
 SW1/jumper 4  | 
| 
 320h  | 
 open  | 
 open  | 
| 
 324h  | 
 open  | 
 closed  | 
| 
 328h  | 
 closed  | 
 open  | 
| 
 32Ch  | 
 closed  | 
 closed  |