IO 2 BY 4 IO card Settings and Configuration

Card Type	Multi I/O card
Chipset/Controller	16C550
I/O Options	Parallel ports (2), serial ports (4)
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
I/O connector 1	CN1	I/O connector 2	CN2

SERIAL PORT CONFIGURATION
Port	Status	J3/A	J3/B	J3/C	J3/D
1	Enabled	Closed	N/A	N/A	N/A
1	Disabled	Open	N/A	N/A	N/A
2	Enabled	N/A	Closed	N/A	N/A
2	Disabled	N/A	Open	N/A	N/A
3	Enabled	N/A	N/A	Closed	N/A
3	Disabled	N/A	N/A	Open	N/A
4	Enabled	N/A	N/A	N/A	Closed
4	Disabled	N/A	N/A	N/A	Open

PRIMARY SERIAL PORT INTERRUPT SELECT
IRQ		J4/Q	J4/R	J4/S	J4/T
»	IRQ4	Open	Closed	Open	Open
	IRQ2	Open	Open	Open	Closed
	IRQ3	Open	Open	Closed	Open
	IRQ5	Closed	Open	Open	Open

SECOND SERIAL PORT INTERRUPT SELECT
IRQ		J4/M	J4/N	J4/O	J4/P
»	IRQ3	Open	Open	Closed	Open
	IRQ2	Open	Open	Open	Closed
	IRQ4	Open	Closed	Open	Open
	IRQ5	Closed	Open	Open	Open

THIRD SERIAL PORT INTERRUPT SELECT
IRQ	J4/I	J4/J	J4/K	J4/L
IRQ2	Open	Open	Open	Closed
IRQ3	Open	Open	Closed	Open
IRQ4	Open	Closed	Open	Open
IRQ5	Closed	Open	Open	Open

FOURTH SERIAL PORT INTERRUPT SELECT
IRQ	J4/E	J4/F	J4/G	J4/H
IRQ2	Open	Open	Open	Closed
IRQ3	Open	Open	Closed	Open
IRQ4	Open	Closed	Open	Open
IRQ5	Closed	Open	Open	Open

PARALLEL PORT CONFIGURATION
Port 1		J3/E	Port 2	J3/F
»	Enabled	Closed	Enabled	Closed
	Disabled	Open	Disabled	Open

PARALLEL PORT INTERRUPT SELECT
Port 1		J4/C	J4/D	Port 2	J4/A	J4/B
»	IRQ7	Closed	Open	IRQ5	Open	Closed
	IRQ5	Open	Closed	IRQ7	Closed	Open