AD450 AT I/O CARD IO card Settings and Configuration

Card Type	Multi I/O card
Chipset/Controller	N/A
I/O Options	Game port, parallel ports (2), serial ports (2)
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	J1	Game port	J4
Serial port 2	J3	Parallel port	J5

SERIAL PORT CONFIGURATION
Port 1 (J1)	Port 2 (J3)	J2/E	J2/F	J2/G
COM1	COM3	Pins 2 & 3 closed	Open	Pins 1 & 2 closed
COM1	COM4	Pins 1 & 2 closed	Open	Pins 1 & 2 closed
COM4	COM3	Pins 2 & 3 closed	Open	Pins 2 & 3 closed
COM4	COM4	Pins 1 & 2 closed	Open	Pins 2 & 3 closed
COM2	N/A	N/A	Pins 2 & 3 closed	N/A
N/A	COM2	N/A	Pins 1 & 2 closed	N/A

SERIAL PORT INTERRUPT SELECTION
Port 1(J1)		Port 2 (J3)	J2/C	J2/D
»	IRQ4	IRQ3	Pins 1 & 2 closed	Pins 2 & 3 closed
	IRQ3	IRQ4	Pins 2 & 3 closed	Pins 1 & 2 closed

PARALLEL PORT CONFIGURATION
LPT	J2/B
2	Pins 1 & 2 closed
3	Pins 2 7 3 closed

PARALLEL PORT INTERRUPT SELECTION
IRQ	J2/A
7	Pins 1 & 2 closed
5	Pins 2 & 3 closed