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