MODULAR CIRCUIT TECHNOLOGY
MCT-PDC-HD4
| 
 Card Type  | 
 Floppy drive controller  | 
| 
 Chipset/Controller  | 
 Unidentified  | 
| 
 I/O Options  | 
 Floppy drive interface (4)  | 
| 
 Maximum DRAM  | 
 N/A  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Floppy drive interface (for drives 1 & 2)  | 
 CN1  | 
 Floppy drive interface (for drives 3 & 4)  | 
 CN2  | 
| 
 FIRST DRIVE TYPE SELECTION  | ||
| 
 Type  | 
 J1/A  | 
 J1/B  | 
| 
 360KB  | 
 Closed  | 
 Open  | 
| 
 720KB  | 
 Closed  | 
 Closed  | 
| 
 1.2MB  | 
 Open  | 
 Open  | 
| 
 1.44MB  | 
 Open  | 
 Closed  | 
| 
 SECOND DRIVE TYPE SELECTION  | ||
| 
 Type  | 
 J1/C  | 
 J1/D  | 
| 
 360KB  | 
 Closed  | 
 Open  | 
| 
 720KB  | 
 Closed  | 
 Closed  | 
| 
 1.2MB  | 
 Open  | 
 Open  | 
| 
 1.44MB  | 
 Open  | 
 Closed  | 
| 
 THIRD DRIVE TYPE SELECTION  | ||
| 
 Type  | 
 J1/E  | 
 J1/F  | 
| 
 360KB  | 
 Closed  | 
 Open  | 
| 
 720KB  | 
 Closed  | 
 Closed  | 
| 
 1.2MB  | 
 Open  | 
 Open  | 
| 
 1.44MB  | 
 Open  | 
 Closed  | 
| 
 FOURTH DRIVE TYPE SELECTION  | ||
| 
 Type  | 
 J1/G  | 
 J1/H  | 
| 
 360KB  | 
 Closed  | 
 Open  | 
| 
 720KB  | 
 Closed  | 
 Closed  | 
| 
 1.2MB  | 
 Open  | 
 Open  | 
| 
 1.44MB  | 
 Open  | 
 Closed  |