UNIDENTIFIED
HARD DISK/FLOPPY CONTROLLER
(AT COMPATIBLE)
|
Card Type |
Hard drive controller |
|
Hard Drives supported |
Two ST-506/412 drives |
|
Floppy drives supported |
Two 360KB, 720KB, 1.2MB, 1.44MB |
|
Data Bus |
16-bit ISA |
|
Card Size |
Full length, full-height |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
34-pin control cable connector - hard drive |
J1 |
34-pin cable connector - floppy drive |
J4 |
|
20-pin data cable connector - drive 0 |
J2 |
37-pin hard drive connector - external |
J5 |
|
20-pin data cable connector - drive 1 |
J3 |
4-pin connector - drive active LED |
J6 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
| » |
Factory configured - do not alter |
W1 |
Pins 1 & 2 closed |
| » |
Factory configured - do not alter |
W2 |
Pins 1 & 2 closed |
| » |
Factory configured - do not alter |
W4 |
Open |
| » |
Primary address for floppy drive is 3F2h, 3F4/3F7h |
W5 |
Open |
|
Secondary address for floppy drive is 372h, 374/377h |
W5 |
Closed | |
| » |
Primary address for hard drive is 1F0/1F7h |
W6 |
Open |
|
Secondary address for hard drive is 170/177h |
W6 |
Closed | |
| » |
Factory configured - do not alter |
W7 |
Open |
|
Note:Location of pin 1 is unidentified. | |||