WESTERN DIGITAL CORPORATION

WD1003-RA2, WD1003-WA2

Replaced by the WD1003V-SR2 and WD1003V-MM2 respectively

Data bus: 16-bit, ISA

Size: Full-length, full-height card

Hard drives supported: WD1003-RA2: Two RLL ST506/412 drives

WD1003-WA2: Two MFM ST506/412 drives

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

[Image]

                           CONNECTIONS

                  Function                        Location

  34-pin data cable connector-floppy drive           J1

  20-pin data cable connector-drive 1                J3

  20-pin data cable connector-drive 0                J4

  34-pin control cable connector-hard drive          J5

  4-pin connector-drive active LED                   J6

                        USER CONFIGURABLE SETTINGS

              Function                    Location            Setting

  »   Hard drive port address is             JP1             pins 2 & 3
      1F0-1F7h                                                closed

      Hard drive port address is             JP1             pins 1 & 2
      170-177h                                                closed

  »   Floppy drive port address is           JP2             pins 2 & 3
      3F0-3F7h                                                closed

      Floppy drive port address is           JP2             pins 1 & 2
      370-377h                                                closed

  »   Supports 360 RPM floppy                JP3             pins 1 & 2
      drives                                                  closed

      Supports 300 RPM floppy                JP3             pins 2 & 3
      drives                                                  closed