UNIDENTIFIED

WA3

Data bus:

16-bit, ISA

Size:

Three/quarter-length, full-height card

Hard drive supported:

Two MFM ST506/412 drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

4-pin connector - drive active LED

CN1

20-pin data cable connector - drive 1

CN2

20-pin data cable connector - drive 0

CN3

34-pin control cable connector - hard drive

CN4

34-pin control cable connector - floppy drive

CN5

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

360rpm floppy drive supported

JP1

Pins 1 & 2 closed

 

300rpm floppy drive supported

JP1

Pins 2 & 3 closed

»

Hard drive port address is 1F0-1F7h

JP2

Pins 2 & 3 closed

 

Hard drive port address is 170-177h

JP2

Pins 1 & 2 closed

»

Floppy drive port address is 3F0-3F7h

JP3

Pins 2 & 3 closed

 

Floppy drive port address is 370-377h

JP3

Pins 1 & 2 closed