IOAT45 IO card Settings and Configuration

Card Type	Multi I/O card
Chipset/Controller	GM82C455
I/O Options	Parallel ports (2), serial ports (2)
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
Parallel port 2	J1	Serial port 1	J4
Serial port 2	J3	Parallel port 1	J7

SERIAL PORT CONFIGURATION
Port 1 (J4)		J2/A	J2/E	Port 2 (J3)	J2/B	J2/F
»	COM1	Pins 1 & 2	Pins 1 & 2	COM2	Pins 1 & 2	Pins 1 & 2
	COM3	Pins 1 & 2	Pins 2 & 3	COM4	Pins 1 & 2	Pins 2 & 3
	Disabled	Pins 2 & 3	N/A	Disabled	Pins 2 & 3	N/A
Note:All Pins designated should be placed in the closed position.

PRIMARY SERIAL PORT INTERRUPT SELECT
IRQ		J2/I	J2/J	J2/K	J2/L
»	IRQ4	N/A	Pins 1 & 2 closed	N/A	N/A
	IRQ3	Pins 1 & 2 closed	N/A	N/A	N/A
	IRQ5	N/A	N/A	Pins 1 & 2 closed	N/A
	IRQ9	N/A	N/A	N/A	Pins 1 & 2 closed

SECONDARY SERIAL PORT INTERRUPT SELECT
IRQ		J2/I	J2/J	J2/K	J2/L
»	IRQ3	Pins 2 & 3 closed	N/A	N/A	N/A
	IRQ4	N/A	Pins 2 & 3 closed	N/A	N/A
	IRQ5	N/A	N/A	Pins 2 & 3 closed	N/A
	IRQ9	N/A	N/A	N/A	Pins 2 & 3 closed

PARALLEL PORT CONFIGURATION
Port 1 (J7)		J2/C	Port 2 (J1)	J2/D
»	Enabled	Pins 1 & 2 closed	Enabled	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed	Disabled	Pins 2 & 3 closed

PARALLEL PORT INTERRUPT SELECT
Port 1 (J7)		J2/G	Port 2 (J1)	J2/H
»	IRQ7	Pins 2 & 3 closed	IRQ5	Pins 1 & 2 closed
	IRQ5	Pins 1 & 2 closed	IRQ7	Pins 2 & 3 closed