WESTERN DIGITAL CORPORATION

WD1003V-SM1, WD1003V-SM2

Chipset

Western Digital

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 (WD1003V-SM2 only)

CONNECTIONS

Function

Label

Function

Label

34-pin cable connector - floppy drive

J1

34-pin control cable connector - hard drive

J5

20-pin data cable connector - drive 2

J3

4-pin drive active LED

J6

20-pin data cable connector - drive 1

J4

   

Note:J1 is not present on WD1003V-SM1 cards.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

Hard drives in latched mode

W1/A

Open

 

Hard drives in non-latched mode

W1/A

Closed

»

Factory configured - do not alter

W1/B

Open

»

Hard drive caching enabled

W1/C

Open

 

Hard drive caching disabled

W1/C

Closed

»

Factory configured - do not alter

W2

Open

»

Hard drive interface uses primary I/O address

W3

Open

 

Hard drive interface uses secondary I/O address

W3

Closed

»

Floppy drive interface uses primary I/O address

W4

Open

 

Floppy drive interface uses secondary I/O address

W4

Closed

»

Single speed floppy drives attached to card

W5

Open

 

Dual speed floppy drives attached to card

W5

Closed

»

Signal ground not connected to chassis ground

W6

Open

 

Signal ground connected to chassis ground

W6

Closed