HCWD3VSR2/HCWD6VSR2 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit ISA
Size:	Three-quarter length, full-height card
Hard drive supported:	Two RLL ST412 drives
Floppy drives supported:	320KB, 360KB, 720KB, 1.2MB, 1.44MB

CONNECTIONS
Function	Location
34-pin control 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
External LED connector	J6

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Latched hard disk mode enabled	W1/A	open
	Non-latched hard disk mode enabled	W1/A	closed
»	Four byte ECC enabled	W1/B	open
	Seven byte ECC enabled	W1/B	closed
»	Caching enabled	W1/C	open
	Caching disabled	W1/C	closed
»	BIOS enabled	W2	open
	BIOS disabled	W2	closed

USER CONFIGURABLE SETTINGS(CONTINUED)
Function		Location	Setting
»	Primary hard disk I/O address select	W3	open
	Alternate hard disk I/O address select	W3	closed
»	Primary floppy drive I/O address select	W4	open
	Alternate floppy drive I/O address select	W4	closed
»	Single speed floppy drive mode enabled	W5	open
	Dual speed floppy drive mode enabled	W5	closed