HED-821A Hard Disk/Floppy Controller Settings and Configuration
HEDAKA
HED-821A
Data Bus | 8/16 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 |
20-pin data cable connector - drive 0 | J1 | 34-pin control cable connector - hard drive | U4 |
20-pin data cable connector - drive 1 | J2 | 34-pin hard drive control cable | U13 |
4-pin drive active LED | J3 | ||
USER CONFIGURABLE SETTINGS | |||
Setting | Label | Position | |
| » | Card uses primary hard drive address | W2 | Open |
Card uses secondary hard drive address | W2 | Closed | |
| » | Card uses primary floppy address | W3 | Open |
Card uses secondary floppy address | W3 | Closed | |
FLOPPY CONTROLLER CONFIGURATION | |||
Setting | W1 | W4 | |
| » | Enabled | Closed | Closed |
Disabled | Open | Open | |
My Books
