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

[Image]

                                CONNECTIONS

         Function           Label            Function             Label

  34-pin cable connector      J1       34-pin control cable        J5
  - floppy drive                       connector - hard drive

  20-pin data cable           J3       4-pin drive active LED      J6
  connector - drive 2

  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 & 2
      drives connected                                        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