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 |