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# CSS LABORATORIES, INC.
DUAL HARD/DUAL FLOPPY CONTROLLER
Data Bus 16-bit ISA
Card Size Full height, full length
Hard Drives Supported Two ST506/412(MFM) devices
Floppy Drives Supported Two 360KB or 1.2MB drives
(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 | 4-pin drive active | J6 |
| connector - drive 2 | | LED | |
|----------------------+-------+---------------------+-------|
| 20-pin data cable | J4 | | |
| connector - drive 1 | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| » | Floppy drive speed 360RPM | E7 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| | Floppy drive speed 300RPM | E7 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | High density or low density floppy | E12 | Pins 1 & |
| | drives connected | | 2 closed |
|---+------------------------------------+-------+-----------|
| | Low density drives only connected | E12 | Pins 2 & |
| | | | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESSES |
|------------------------------------------------------------|
| Setting | E1 |
|----------------------------+-------------------------------|
| » | Primary | Pins 2 & 3, 5 & 6 closed |
|---+------------------------+-------------------------------|
| | Secondary | Pins 1 & 2, 4 & 5 closed |
+------------------------------------------------------------+