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 |