WESTERN DIGITAL CORPORATION

WDXT-GEN

Data bus: 8-bit, PC/XT

Size: Half-length, full-height card

Hard drives supported: Two MFM ST506/412 drives

Floppy drives supported: None

Maximum heads/cyl.: 8 heads and 1024 cylinders

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                        CONNECTIONS

  34-pin control cable connector-hard drive        J1

  20-pin data cable connector-drive 0              J2

  20-pin data cable connector-drive 1              J3

                         HARD DRIVE CONFIGURATION

  Feature#     Form.   Heads    Cylinders    Precomp     RWC    StepRate
               Cap.

  F300/F320    21MB      4         615         307      None    30 m sec

    F335       32MB      5         733         367      None    18 m sec

    F336       32MB      6         640         210       210    18 m sec

    F340       42MB      6         820         410      None    18 m sec

                       MISCELLANEOUS TECHNICAL NOTES

       This controller has no jumpers. The controller feature number
     determines the boards formatted capacity. See the chart above for
  feature number specifications. This controller has a built-in low-level
     format program. Run the DEBUG utility supplied with DOS and at the
                          prompt enter: G=C800:5.