AUVA COMPUTER, INC.
HFDC
| |
Data bus: |
16-bit ISA |
Size: |
Three-quarter length, full-height card |
Hard drive supported: |
Two MFM ST-506/412 drives |
Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
CONNECTIONS | |
Function |
Location |
20-pin data cable connector - drive 1 |
J1 |
20-pin data cable connector - drive 0 |
J2 |
34-pin control cable connector - hard drive |
J3 |
34-pin control cable connector - floppy drive |
J4 |
4-pin connector - drive active LED |
JP1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
Floppy drive primary address is 3F2h |
J5 |
pins 2 & 3 closed |
Floppy drive secondary address is 372h |
J5 |
pins 1 & 2 closed | |
» |
Hard drive primary address is 1F0h |
J6 |
pins 2 & 3 closed |
Hard drive secondary address is 170h |
J6 |
pins 1 & 2 closed | |
» |
Floppy drive dual speed disabled |
JP2 |
open |
Floppy drive dual speed enabled |
JP2 |
closed | |
» |
Floppy precompensate is ± |
JP3 |
open |
Floppy precompensate is 187ns |
JP3 |
closed |