WESTERN DIGITAL CORPORATION

WDAT-240

Data bus: 16-bit, PC/AT

Size: Half-length, full-height card

Hard drives supported: Two IDE (AT) Interface drives

Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

[Image]

                                CONNECTIONS

                     Function                             Location

  34-pin data cable connector-floppy drive                   J1

  40-pin AT Interface (IDE) control cable                    J2
  connector-internal

                           DIRQ14 SIGNAL SELECT

                Function                    Jumper W1        Jumper W1A

  »   DIRQ14 signal passed to host             open            closed
      computer

      Conner CP342/CP3022 in true IBM         closed            open
      AT

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   Floppy controller enabled               W2               closed

      Floppy controller disabled              W2                open

  »   Floppy drive port address is            W2A               open
      3F0-3F7h

      Floppy drive port address is            W2A              closed
      370-377h

  »   Single speed floppy drive               W3                open

      Dual-speed floppy drive                 W3               closed

  »   Logic ground independent of             W4                open
      chassis

      Logic ground connected to               W4               closed
      chassis