HARDCACHE/ESDI Hard Disk/Floppy Controller Settings and Configuration

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

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Floppy drive type is AT-type	W1	pins 1 & 2 closed
	Floppy drive type is PS/2 type 1.44MB	W1	pins 2 & 3 closed
»	Floppy Drive Interrupt is IRQ6	W2	pins 1 & 2 closed
	Floppy Drive Interrupt is IRQ10	W2	pins 2 & 3 closed
»	Floppy Drive DMA Acknowledge is DACK2	W3	pins 1 & 2 closed
	Floppy Drive DMA Acknowledge is DACK3	W3	pins 2 & 3 closed
»	Floppy Drive DMA Request is DREQ2	W4	pins 1 & 2 closed
	Floppy Drive DMA Request is DREQ3	W4	pins 2 & 3 closed
»	Hard drive address 1F0-1F7h	W5	open
	Hard drive address 170-177h	W5	closed
»	Floppy drive address 3F0-3F7h	W6	open
	Floppy drive address 370-377h	W6	closed
»	BIOS enabled	W7	closed
	BIOS disabled	W7	open
»	BIOS address C800-C9FFh	W8	open
	BIOS address CA00-CBFFh	W8	closed
»	Floppy drive enabled	W9	open
	Floppy drive disabled	W9	closed
»	Floppy drive single spindle speed enabled	W10	open
	Floppy drive dual spindle speed enabled	W10	closed
»	256KB SIMM's supported	W11	pins 1 & 2 closed
	1MB SIMM's supported	W11	pins 2 & 3 closed
»	Block Data Transfer mode enabled	W12	pins 1 & 2 closed
	IRQ-Paced Data Transfer mode enabled	W12	pins 2 & 3 closed
»	Factory configured - do not alter	W13	open