HEDAKA

HED-821A

Data Bus                8/16 bit ISA
Card Size               Full height, three-quarters length
Hard Drives Supported   Two ST506/412(MFM) devices
Floppy Drives Supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives

[Image]

                                CONNECTIONS

         Function           Label            Function             Label

  20-pin data cable           J1       34-pin control cable        U4
  connector - drive 0                  connector - hard drive

  20-pin data cable           J2       34-pin hard drive           U13
  connector - drive 1                  control cable

  4-pin drive active LED      J3

                        USER CONFIGURABLE SETTINGS

                  Setting                       Label        Position

  »   Card uses primary hard drive address       W2            Open

      Card uses secondary hard drive             W2           Closed
      address

  »   Card uses primary floppy address           W3            Open

      Card uses secondary floppy address         W3           Closed

                      FLOPPY CONTROLLER CONFIGURATION

           Setting                     W1                     W4

  »          Enabled                 Closed                 Closed

             Disabled                 Open                   Open