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 |