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# UNIDENTIFIED
HFDC-6V
Card Type Hard drive controller
Hard Drives supported Unidentified
Floppy drives supported Two 360KB, 720KB, 1.2MB, 1.44MB
Data Bus 16-bit ISA
Card Size Half-length, full-height
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| 34-pin cable | J1 | 34-pin control | J5 |
| connector - floppy | | cable connector - | |
| drive | | hard drive | |
|----------------------+-------+---------------------+-------|
| 20-pin data cable | J3 | Drive active LED | J6 |
| connector - drive 1 | | | |
|----------------------+-------+---------------------+-------|
| 20-pin data cable | J4 | | |
| connector - drive 0 | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | 360 RPM floppy disk drive mode | E | Pins 8 & 9 |
| | enabled | | closed |
|---+-----------------------------------+-------+------------|
| | 300 RPM floppy disk drive mode | E | Pins 7 & 8 |
| | enabled | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PRIMARY/SECONDARY ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | E |
|----------------------------+-------------------------------|
| » | Primary address | Pins 2 & 3, 5 & 6 closed |
|---+------------------------+-------------------------------|
| | Secondary address | Pins 1 & 2, 4 & 5 closed |
+------------------------------------------------------------+