IDC-767 DISK ACCELERATOR Hard Disk/Floppy Controller Settings and Configuration

Data bus:	32-bit, VL-bus
Size:	Three/quarter-length, full-height card
Hard drive supported:	Four IDE (AT) Interface drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
40-pin IDE(AT) Interface connector - IDE-0	J1
40-pin IDE(AT) Interface connector - IDE-1	J2
34-pin control cable connector - floppy drive	J3
4-pin connector - Drive active LED	JP1

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	IDE-0 (J1) read signal damping enabled	JP3	open
	IDE-0 (J1) read signal damping disabled	JP3	closed
»	IDE-1 (J2) read signal damping enabled	JP4	open
	IDE-1 (J2) read signal damping disabled	JP4	closed
»	IDE-0 (J1) write signal damping enabled	JP5	open
	IDE-0 (J1) write signal damping disabled	JP5	closed
»	IDE-1 (J2) write signal damping enabled	JP6	open
	IDE-1 (J2) write signal damping disabled	JP6	closed
»	Hard drive port address is 1F0-1F7, 3F6 & 3F7h	JP7/jumper 4	closed
	Hard drive port address is 170-177, 376 & 377h	JP7/jumper 4	open
»	Floppy drive enabled	JP7/jumper 5	closed
	Floppy drive disabled	JP7/jumper 5	open
»	Normal operation	JP7/jumper 6	closed
	Test mode enabled	JP7/jumper 6	open

INTERRUPT REQUEST
IRQ		JP2/jumper 1	JP2/jumper 2	JP2/jumper 3	JP2/jumper 4
	5	closed	open	open	open
	12	open	closed	open	open
»	14	open	open	closed	open
	15	open	open	open	closed

BIOS ADDRESS
Address	JP7/Jumper 1	JP7/Jumper 2	JP7/Jumper 3
DC000h	closed	closed	closed
D8000h	open	closed	closed
D4000h	closed	open	closed
D0000h	open	open	closed
CC000h	closed	closed	open
C8000h	open	closed	open
Disabled	n/a	open	open

LOCAL BUS CLOCK SKEW
	Select	JP8
»	Fastest skew	pins 2 & 5 closed
	Medium skew	pins 1 & 2 closed
	Slowest skew	pins 2 & 3 closed