WESTERN DIGITAL CORPORATION

WD1009V-SE1, WD1009V-SE2

Data bus: 16-bit, PC/AT

Size: Full-length, full-height card

Hard drives supported: Two ESDI drives with up to a 24Mbps (MHz) transfer
rate (Three may be supported with a software driver and a 3-plug control
cable)

Floppy drives supported: WD1009V-SE1: None

WD1009V-SE2: Two 360KB, 720KB, 1.2MB, 1.44MB drives

[Image]

                                CONNECTIONS

                     Function                             Location

  34-pin control cable connector-floppy drive                J1
  (WD1009V-SE2 only)

  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

                             INTERRUPT REQUEST

                IRQ                    W5/jumper 8         W5/jumper 9

  »   Interrupt request is IRQ14           open                open

      Interrupt request is IRQ12          closed               open

      Interrupt request is IRQ15           open               closed

      Interrupt request is IRQ11          closed              closed

                       MISCELLANEOUS TECHNICAL NOTES

   This controller has a built in low-level format program. To enter the
     program run the DEBUG utility supplied with DOS and at the prompt
                             enter: G=C800:5.

                        USER CONFIGURABLE SETTINGS

               Function                     Location          Setting

  »   Supports end-twisted floppy              W2            pins 2 & 3
      drive cable*                                             closed

      Supports center-twisted floppy           W2            pins 1 & 2
      drive cable *                                            closed

  »   Supports AT-Type 1.44MB floppy           W3            pins 1 & 2
      drives*                                                  closed

      Supports PS/2-Type 1.44MB                W3            pins 2 & 3
      floppy drives*                                           closed

  »   Card always enabled                      W4               open

      Card enabled by the EISA host            W4              closed

  »   Sector sparing disabled              W5/jumper 1          open

      Sector sparing enabled               W5/jumper 1         closed

  »   Translation mode enabled             W5/jumper 2          open

      Translation mode disabled            W5/jumper 2         closed

  »   Sector translation forced to         W5/jumper 3          open
      35/53 SPT

      Sector translation set for           W5/jumper 3         closed
      physical mode

  »   Four-Byte ECC                        W5/jumper 4          open

      Seven-byte ECC                       W5/jumper 4         closed

  »   Look-ahead cache enabled             W5/jumper 5          open

      Look-ahead cache disabled            W5/jumper 5         closed

  »   BIOS address is C800h                W5/jumper 6          open

      BIOS address is CC00h                W5/jumper 6         closed

  »   BIOS enabled                         W5/jumper 7          open

      BIOS disabled                        W5/jumper 7         closed

  »   DMA channel is 6                    W5/jumper 10          open

      DMA channel is 7                    W5/jumper 10         closed

  »   Hard drive address is 1F0-1F7h      W5/jumper 11          open

      Hard drive address is 170-177h      W5/jumper 11         closed

  »   Hard drive enabled                  W5/jumper 12          open

      Hard drive disabled                 W5/jumper 12         closed

  »   Floppy drive enabled *               W6/jumper 1          open

      Floppy drive disabled *              W6/jumper 1         closed

  »   Floppy DMA channel is 2 *            W6/jumper 2          open

      Floppy DMA channel is 3 *            W6/jumper 2         closed

  »   Floppy port address is 3F0-3F7h      W6/jumper 3          open
      *

      Floppy port address is 370-377h      W6/jumper 3         closed
      *

  »   Single speed floppy supported *      W6/jumper 4          open

      Dual speed floppy supported *        W6/jumper 4         closed

  »   EISA Auto configuration enabled          W7              closed

      EISA Auto configuration                  W7               open
      disabled

  Note:* These settings only valid on the WD1009V-SE2.