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 |