WINCHESTER/FLOPPY DISK CONTROLLER Hard Disk/Floppy Controller Settings and Configuration
ALPHA DESIGN
WINCHESTER/FLOPPY DISK CONTROLLER
Data bus: | 16-bit ISA |
Size: | Three-quarter length, Full-height card |
Hard drive supported: | Two ST506/412 drives |
Floppy drives supported: | 360KB, 720KB, 1.2MB, 1.44MB |
CONNECTIONS | |
Function | Location |
4-pin connector - drive active LED | J1 |
20-pin data cable connector - drive 1 | J2 |
20-pin data cable connector - drive 0 | J3 |
34-pin control cable connector - hard drive | J4 |
34-pin control cable connector - floppy drive | J5 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Primary address select | JP1 | pins 2 & 3, 5 & 6 closed |
Alternate address select | JP1 | pins 1 & 2, 4 & 5 closed | |
| » | Precompensation is 125ns | J6 | open |
Precompensation is 187ns | J6 | closed | |
| » | Single speed floppy drive select | J7 | open |
Dual speed floppy drive select | J7 | closed | |
My Books
