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WDXT-GEN

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

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. Cap.

Heads

Cylinders

Precomp

RWC

StepRate

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.