UNIDENTIFIED
HDD/FDD CONTROLLER
|
Data Bus |
16-bit ISA |
|
Card Size |
Full height, half 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 cable connector - primary drive |
J1 |
34-pin cable connector - floppy drive |
J4 |
|
20-pin data cable connector - secondary drive |
J2 |
2-pin connector - drive active LED |
LED |
|
34-pin cable connector - hard drive control |
J3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
Hard drive controller address set to 1F0h |
J5 |
Pins 1 & 3 closed | |
|
Hard drive controller address set to 170h |
J5 |
Pins 3 & 5 closed | |
|
Floppy controller address set to 3F2h |
J5 |
Pins 2 & 4 closed | |
|
Floppy controller address set to 372h |
J5 |
Pins 4 & 6 closed | |
|
Floppy drive speed set to 360RPM |
J6 |
Open | |
|
Floppy drive speed set to 300RPM |
J6 |
Closed | |