WESTERN DIGITAL CORPORATION

WD1007V-MC1

Data bus: 16-bit, MCA PS/2 system

Size: Full-length card

Hard drives supported: 2 ESDI drives

Floppy drives supported: None

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                           CONNECTIONS

                  Function                        Location

  20-pin data cable connector-drive 1                J2

  20-pin data cable connector-drive 2                J3

  34-pin control cable connector-hard drive          J4

                       MISCELLANEOUS TECHNICAL NOTES

       There are no user-configurable jumpers on the WD1007V-MC1, all
   configuration is done through the firmware. Each WD1007V-MC1 board can
    support two hard disks. If two WD1007V-MC1 boards are installed in a
   PS/2 system only one drive may be attached to each controller. (i.e.:
    you can never have more than a maximum of two hard drives in a PS/2
    system, no matter how many controller cards are installed.) The ESDI
   drive is always assigned to C:. If you have one ESDI and one ST506/412
  drive, the MCA architecture always selects the ESDI drive as drive C:.