...because we can't all be on the bleeding edge...





WA3-16 DISK CONTROLLER

UNIDENTIFIED

WA3-16 DISK CONTROLLER

Data Bus

16-bit ISA

Card Size

Full height, three-quarters length

Hard Drives Supported

Two ST506/412(MFM) devices

Floppy Drives Supported

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

CONNECTIONS

Function

Label

Function

Label

4-pin drive active LED

J1

34-pin control cable connector - hard drive

J4

20-pin data cable connector - drive 2

J2

34-pin cable connector - floppy drive

J5

20-pin data cable connector - drive 1

J3

   

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Write precompensation is 125ns

J6

Open

 

Write precompensation is 187ns

J6

Closed

Standard floppy drives connected

J7

Open

 

Multi-speed floppy drives connected

J7

Closed

BASE I/O ADDRESS SELECTION

Setting

E1

Primary

Pins 2 & 3, 5 & 6 closed

 

Secondary

Pins 1 & 2, 4 & 5 closed