NT-120 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit, ISA
Size:	Three/quarter-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
34-pin control cable connector - floppy drive	J1
25-pin parallel port (LPT1/2) - external	J2
40-pin IDE(AT) Interface connector	J5
4-pin connector - Drive active LED	J6
10-pin serial port (COM1/3) - external	J7
10-pin serial port (COM2/4) - internal	J8

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	IRQ14 passed through to host bus enabled	W3/jumper 1	open
	IRQ14 enabled when active signal is false	W3/jumper 1	closed
»	Single speed floppy drives supported	W5	open
	Dual speed floppy drives supported	W5	closed
»	Hard drive enabled	W9/jumper 1, 2	closed
	Hard drive disabled	W9/jumper 1, 2	open

FLOPPY DRIVE ADDRESS
Function		W4/jumper 1	W4/jumper 2
»	3F0 - 3F7h	closed	open
	370 - 377h	closed	closed
	Disabled	open	closed

PARALLEL PORT INTERRUPT SELECT
IRQ		W7/jumper 1	W7/jumper 2
»	IRQ7	closed	open
	IRQ5	open	closed

SERIAL PORT INTERRUPT SELECT
Port 2		W7
»	IRQ3	Jumper 3 closed
	IRQ4	Top (pin 1) of Jumper 3 and top (pin 1) of jumper 4 closed

SERIAL PORT INTERRUPT SELECT
Port 1		W7
»	IRQ4	Jumper 4 closed
	IRQ3	Bottom (pin 2) of Jumper 3 and bottom (pin2) of Jumper 4 closed

PARALLEL PORT CONFIGURATION
LPT		W8/Jumper 1	W8/Jumper 2
»	1	closed	open
	2	closed	closed
	Disabled	open	n/a

SERIAL PORT CONFIGURATION
Port 1 (J7)		W8/jumper 3	W8/jumper 4
»	COM1	closed	open
	COM3	open	closed

SERIAL PORT CONFIGURATION
Port 2 (J8)		W8/jumper 5	W8/jumper 6
»	COM2	closed	open
	COM4	open	closed