AB-757 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit, ISA
Size:	Half-length, full-height card
Hard drive supported:	Two 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	JP1
2-pin connector - Drive active LED	JP2
34-pin control cable connector - floppy drive	JP9
15-pin game port - internal	JP10
10-pin serial port (COM2/3/4) - internal	JP11
10-pin serial port (COM1/3/4) - external	JP12
25-pin parallel port (LPT1/2/3) - external	JP13

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Hard drive enabled	JP7/jumper 4	pins 2 & 3 closed
	Hard drive disabled	JP7/jumper 4	pins 1 & 2 closed
»	Floppy drive enabled	JP7/jumper 5	pins 2 & 3 closed
	Floppy drive disabled	JP7/jumper 5	pins 1 & 2 closed
»	IBM BIOS enabled	JP5	pins 2 & 3 closed
	Other BIOS type enabled	JP5	pins 1 & 2 closed

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Parallel Port is uni-directional	JP4	closed
	Parallel Port is bi-directional	JP4	open
»	Floppy drive port address is 3F0-3F7h	JP7/jumper 3	pins 1 & 2 closed
	Floppy drive port address is 370-377h	JP7/jumper 3	pins 2 & 3 closed
»	Hard drive port address is 1F0-1F7,3F6 & 3F7h	JP7/jumper 1	pins 1 & 2 closed
	Hard drive port address is 170-177, 376 & 377h	JP7/jumper 1	pins 2 & 3 closed
»	Floppy drive booting sequence is A:/B:	JP7/jumper 2	pins 2 & 3 closed
	Floppy drive booting sequence is B:/A:	JP7/jumper 2	pins 1 & 2 closed
»	AT-compatible mode enabled	JP7/jumper 6	pins 2 & 3 closed
	XT-compatible mode enabled	JP7/jumper 6	pins 1 & 2 closed

SERIAL PORT CONFIGURATION
Port 1 (JP12)		JP6/jumper 1	JP6/jumper 2
»	COM1	Pins 2 & 3 closed	Pins 1 & 2 closed
	COM3	Pins 1 & 2 closed	Pins 2 & 3 closed
	COM4	Pins 2 & 3 closed	Pins 2 & 3 closed
	Disabled	Pins 1 & 2 closed	Pins 1 & 2 closed

SERIAL PORT INTERRUPT SELECT
Port 1 (JP12)		JP8/jumper 1	JP8/jumper 2	JP8/jumper 3
»	IRQ4	Closed	Open	Open
	IRQ3	Open	Closed	Open
	IRQ5	Open	Open	Closed

SERIAL PORT CONFIGURATION
Port 2 (JP11)		JP6/jumper 3	JP6/jumper 4
»	COM2	Pins 2 & 3 closed	Pins 1 & 2 closed
	COM3	Pins 1 & 2 closed	Pins 2 & 3 closed
	COM4	Pins 2 & 3 closed	Pins 2 & 3 closed
	Disabled	Pins 1 & 2 closed	Pins 1 & 2 closed

SERIAL PORT INTERRUPT SELECT
Port 2 (JP11)		JP8/jumper 4	JP8/jumper 5	JP8/jumper 6
»	IRQ3	Closed	Open	Open
	IRQ4	Open	Closed	Open
	IRQ5	Open	Open	Closed

PARALLEL PORT CONFIGURATION
LPT		JP6/jumper 5	JP6/jumper 6
»	LPT1	Pins 1 & 2 closed	Pins 2 & 3 closed
	LPT2	Pins 2 & 3 closed	Pins 1 & 2 closed
	LPT3	Pins 2 & 3 closed	Pins 2 & 3 closed
	Disabled	Pins 1 & 2 closed	Pins 1 & 2 closed

PARALLEL PORT INTERRUPT SELECT
IRQ		JP8/jumper 7	JP8/jumper 8
»	IRQ7	Closed	Open
	IRQ5	Open	Closed