HCWD7VSE1/2 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit ISA
Size:	Three-quarter length, half-height card
Hard drive supported:	Two ESDI ST506/412 drives
Floppy drives supported:	360KB, 720KB, 1.2MB, 1.44MB

CONNECTIONS
Function	Location
34-pin control cable connector - floppy drive	J1
34-pin control cable connector - hard drive	J2
20-pin data cable connector - drive 0	J3
20-pin data cable connector - drive 1	J4
4-pin connector - drive active LED	J5

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Caching enabled	W1/A	open
	Caching disabled	W1/A	closed
»	Four byte ECC mode enabled	W1/B	open
	Seven byte ECC mode enabled	W1/B	closed
»	Disk address translation enabled	W1/C	open
	Disk address translation disabled	W1/C	closed

USER CONFIGURABLE SETTINGS(CONTINUED)
Function		Location	Setting
»	Factory configured - do not alter	W1/D	open
»	Sectors per track determined by drive jumpers	W1/E	open
	Sectors per track not determined by drive jumpers	W1/E	closed
»	Alternate hard drive sectors disabled	W1/F	open
	Alternate hard drive sectors enabled	W1/F	closed
»	BIOS enabled	W3	open
	BIOS disabled	W3	closed
»	Single speed floppy drive interface enabled	W5	open
	Dual speed floppy drive interface enabled	W5	closed
»	Floppy drive address 3F2h select	W6	open
	Floppy drive address 372h select	W6	closed
»	Interrupt IRQ14 enabled	W7	pins 1 & 2 closed
	Interrupt IRQ15 enabled	W7	pins 2 & 3 closed
»	Base memory address is CC000h	W8	pins 2 & 3 closed
	Base memory address is C8000h	W8	pins 1 & 2 closed
»	Hard drive address is 1F0h	W12	open
	Hard drive address is 170h	W12	closed