EXPERT TOP HFDC Hard Disk/Floppy Controller Settings and Configuration
UNIDENTIFIED
EXPERT TOP HFDC
Data bus: | 16-bit ISA |
Size: | Three/quarter-length, full-height card |
Hard drive supported: | Two MFM ST506/412 drives |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB, 1.44MB drives |
CONNECTIONS | |
Function | Location |
34-pin control cable connector - hard drive | J1 |
20-pin data cable connector - drive 1 | J2 |
20-pin data cable connector - drive 0 | J3 |
34-pin connector - floppy drive interface | J4 |
2-pin connector - drive active LED | J6 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Floppy drive interface operates at 360 RPM | W1 | pins 1 & 2 closed |
Floppy drive interface operates at 300 RPM | W1 | pins 2 & 3 closed | |
| » | Floppy drive is primary in system (3F2 - 3F7h) | W4 | pins 2 & 3 closed |
Floppy drive is secondary in system (372 - 377h) | W4 | pins 1 & 2 closed | |
| » | ST506/412(MFM) interface is primary in system (1F0 - 1F7h) | W6 | pins 2 & 3 closed |
ST506/412(MFM) interface is secondary in system (170 - 177h) | W6 | pins 1 & 2 closed | |
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