DIO-500 IO card Settings and Configuration

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

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 2	J1	Serial port 1	J3
Game port	J2	Parallel port	J4

SERIAL PORT CONFIGURATION
Port 1 (J3)		Port 2 (J1)	SW1/2	SW1/3	SW1/7	SW1/8
»	COM1	COM2	On	On	On	On
	COM2	COM3	Off	On	On	On
	COM3	COM4	On	Off	On	On
	Disabled	Disabled	N/A	N/A	Off	Off

SERIAL PORT INTERRUPT SELECTION
Port 1 (J3)		SW2/5	SW2/6	SW2/7	SW2/8
»	IRQ4	Off	Off	On	Off
	IRQ3	Off	On	Off	Off
	IRQ2	On	Off	Off	Off
	IRQ5	Off	Off	Off	On

SERIAL PORT INTERRUPT SELECTION
Port 2 (J1)		SW2/1	SW2/2	SW2/3	SW2/4
»	IRQ3	Off	On	Off	Off
	IRQ4	Off	Off	On	Off
	IRQ2	On	Off	Off	Off
	IRQ5	Off	Off	Off	On

SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION
Port 1		Port 2	JP1	JP2
»	Normal	Normal	Pins 1 & 2, 4 & 5, 7 & 8 closed	Pins 1 & 2, 4 & 5, 7 & 8 closed
	Forced True	Forced True	Pins 2 & 3, 5 & 6, 8 & 9 closed	Pins 2 & 3, 5 & 6, 8 & 9 closed

SERIAL PORT'S DTE/DCE CONFIGURATION
Primary serial port J3	Secondary serial port J1
Jumper JP4	Jumper JP3

PARALLEL PORT CONFIGURATION
Parallel port		LPT	SW1/1	SW1/5
»	Enabled	1	Off	On
	Disabled	2	On	Off

PARALLEL PORT INTERRUPT SELECTION
IRQ		JP5
»	7	Closed
	5	Open

GAME PORT CONFIGURATION
Port		SW1/4
»	Enabled	On
	Disabled	Off

FACTORY CONFIGURED - DO NOT ALTER
Switch	Position
SW1/6	N/A