WESTERN DIGITAL CORPORATION

WD1007V-SE1, WD1007V-SE2

Data bus: 16-bit, PC/AT

Size: Full-length, full-height card

Hard drives supported: 2 ESDI drives

Floppy drives supported: WD1007V-SE1:None

WD1007V-SE2:Two 360KB, 720KB, 1.2MB, or 1.44MB

Options: Feature F301R has an optional ROM BIOS with shadow RAM. Enables
controller to interface with all types of ESDI drives bypassing the systems
ROM BIOS drive type tables. Feature F300R does not include ROM BIOS option
and system ROM BIOS must contain appropriate drive parameters.

[Image]

                                CONNECTIONS

                       Function                             Location

  34-pin data cable connector-floppy drive                    CN1
  (WD1007-SE2 only)

  20-pin data cable connector-drive 1                         CN3

  20-pin data cable connector-drive 0                         CN4

  34-pin control cable connector-hard drive                   CN5

  4-pin connector-drive active LED                            CN6

                        USER CONFIGURABLE SETTINGS

               Function                     Location          Setting

  »   Look-ahead caching enable           JP1/jumper 1          open

      Look-ahead caching disable          JP1/jumper 1         closed

  »   Four byte ECC mode                  JP1/jumper 2          open

      Seven byte ECC mode                 JP1/jumper 2         closed

  »   Use translation for                 JP1/jumper 3          open
      non-supported drive types

      Do not translate                    JP1/jumper 3         closed

      Factory configured- Do not          JP1/jumper 4          open
      alter

  »   Sectors per track determined        JP1/jumper 5          open
      by drive jumpers

      Force drive to 35 SPT. Has no       JP1/jumper 5         closed
      effect on drives with data
      transfer rates of 15Mbits per
      second

      No alternate sector                 JP1/jumper 6          open

      Alternate sector per track.         JP1/jumper 6         closed

  »   BIOS ROM enabled                        JP3               open

      BIOS ROM disabled                       JP3              closed

  »   Single speed floppy drive               JP5               open
      select

      Dual speed floppy drive select          JP5              closed

  »   Floppy drive port address is            JP6               open
      3F2-3F7h

      Floppy drive port address is            JP6              closed
      372-377h

  »   IRQ14                                   JP7            pins 1 & 2
                                                               closed

      IRQ15                                   JP7            pins 2 & 3
                                                               closed

      BIOS address C8000-CBFFFh               JP8            pins 1 & 2
                                                               closed

  »   BIOS address CC000-CFFFFh               JP8            pins 2 & 3
                                                               closed

  »   Hard drive port address is              JP12              open
      1F0-1F7h

      Hard drive port address is              JP12             closed
      170-177h

                       MISCELLANEOUS TECHNICAL NOTES

   To make the WD1007V-SEx compatible with the WD1007A install jumpers on
                      JP1/jumper 5 and JP1/jumper 6.