I/O EXTENSION-A.3 IO card Settings and Configuration

Card Type	Multi-I/O card
Chip Set	Unidentified
Maximum Onboard Memory	None
I/O Options	game port, parallel port (2), serial ports (2)
Data Bus	8-bit ISA
Floppy drives supported	None

CONNECTIONS
Purpose	Location	Purpose	Location
25-pin parallel port	CN1	16-pin Game port	CN4
9-pin serial port external	CN2	26-pin Parallel port internal	CN5
10-pin serial port internal	CN3

PARALLEL PORT INTERRUPT SELECT
IRQ		JP2/A	JP2/B
»	IRQ7	Open	Closed
	IRQ5	Closed	Open

COM SELECT
Primary port	Secondary port	SW1/1	SW1/2
Disable	Disable	Off	Off
COM1	COM2	Off	On
COM2	COM3	On	Off
COM3	COM4	On	On

ADDRESS SELECT
Address	SW1/3
378-37Ah	Off
278-27Ah	On

GAME PORT SELECT
Setting		SW1/4
»	Enabled	Off
	Disabled	On

SERIAL PORT 1 INTERRUPT SELECT
IRQ	JP1/A	JP1/B	JP1/C	JP1/D
IRQ2	Closed	Open	Open	Open
IRQ3	Open	Closed	Open	Open
IRQ4	Open	Open	Closed	Open
IRQ5	Open	Open	Open	Closed

SERIAL PORT 2 INTERRUPT SELECT
IRQ	JP3/A	JP3/B	JP3/C	JP3/D
IRQ2	Closed	Open	Open	Open
IRQ3	Open	Closed	Open	Open
IRQ4	Open	Open	Closed	Open
IRQ5	Open	Open	Open	Closed

FACTORY CONFIGURED SETTING
Jumper	Setting
JP4/A	N/A
JP4/B	N/A