GW451C IO card Settings and Configuration

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

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	J1	Game port	P1
Serial port 2	J2	Parallel port	P2

SERIAL PORT CONFIGURATION
Port 1 (J1)		JP1	JP2	JP3	JP4
»	COM1	Pins 1 & 2 closed	Pins 1 & 2 closed	N/A	Pins 1 & 2 closed
	COM2	N/A	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
	COM3	Pins 2 & 3 closed	Pins 1 & 2 closed	N/A	Pins 1 & 2 closed
	COM4	N/A	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	Disabled	N/A	Pins 2 & 3 closed	N/A	Pins 2 & 3 closed

SERIAL PORT CONFIGURATION
Port 2 (J2)		JP1	JP2	JP3	JP4
»	COM2	N/A	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
	COM1	Pins 1 & 2 closed	Pins 1 & 2 closed	N/A	Pins 1 & 2 closed
	COM3	Pins 2 & 3 closed	Pins 1 & 2 closed	N/A	Pins 1 & 2 closed
	COM4	N/A	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	Disabled	N/A	Pins 2 & 3 closed	N/A	Pins 2 & 3 closed

SERIAL PORT INTERRUPT SELECTION
Port 1 (J1)		Port 2 (J2)	JP8	JP9
»	IRQ4	IRQ3	Pins 1 & 2 closed	Pins 2 & 3 closed
	IRQ3	IRQ4	Pins 2 & 3 closed	Pins 1 & 2 closed

PARALLEL PORT CONFIGURATION
Port		LPT	IRQ	JP5	JP6	JP10
»	Enabled	1	7	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
	Disabled	2	5	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

GAME PORT CONFIGURATION
Setting		JP7
»	Enabled	Pins 1 & 2 closed
	Disabled	Pins 2 & 3 closed

FACTORY CONFIGURED - DO NOT ALTER
Jumper	Position
JP11	N/A
JP12	N/A