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WD1002-WA2

WESTERN DIGITAL CORPORATION

WD1002-WA2

Data bus: 16-bit, PC/AT

Size: Full-length, full-height card

Hard drives supported: Two MFM ST506/412 drives

Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

CONNECTIONS

Function

Location

34-pin data cable connector-floppy drive

J1

20-pin data cable connector-drive 1

J3

20-pin data cable connector-drive 0

J4

34-pin control cable connector-hard drive

J5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy drive port address is 3F2h, 3F4-3F7h

E1

pins 2 & 3 closed

 

Floppy drive port address is 372h, 374-377h

E1

pins 1 & 2 closed

Hard drive port address is 1F0-1F7h & 3F6-3F7h

E2

pins 2 & 3 closed

 

Hard drive port address is 170-177h & 376-377h

E2

pins 1 & 2 closed

Factory configured - do not alter

E3

closed