UNIDENTIFIED
WA3-16 DISK CONTROLLER
| 
 Data Bus  | 
 16-bit ISA  | 
| 
 Card Size  | 
 Full height, three-quarters length  | 
| 
 Hard Drives Supported  | 
 Two ST506/412(MFM) devices  | 
| 
 Floppy Drives Supported  | 
 Two 360KB, 720KB, 1.2MB, or 1.44MB drives  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 4-pin drive active LED  | 
 J1  | 
 34-pin control cable connector - hard drive  | 
 J4  | 
| 
 20-pin data cable connector - drive 2  | 
 J2  | 
 34-pin cable connector - floppy drive  | 
 J5  | 
| 
 20-pin data cable connector - drive 1  | 
 J3  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Setting  | 
 Label  | 
 Position  | |
| » | 
 Write precompensation is 125ns  | 
 J6  | 
 Open  | 
| 
 Write precompensation is 187ns  | 
 J6  | 
 Closed  | |
| » | 
 Standard floppy drives connected  | 
 J7  | 
 Open  | 
| 
 Multi-speed floppy drives connected  | 
 J7  | 
 Closed  | |
| 
 BASE I/O ADDRESS SELECTION  | ||
| 
 Setting  | 
 E1  | |
| » | 
 Primary  | 
 Pins 2 & 3, 5 & 6 closed  | 
| 
 Secondary  | 
 Pins 1 & 2, 4 & 5 closed  | |