A-101 AT I/O CARD IO card Settings and Configuration

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

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 2	CN1	Game port	CN3
Serial port 1	CN2	Parallel port	CN4

SERIAL PORT CONFIGURATION
Port 1 (CN2)		Port 2 (CN1)	S1/A	S1/B
»	COM1	COM2	Open	Open
	COM2	COM3	Closed	Open
	COM3	COM4	Closed	Closed
	COM3	Disabled	Open	Closed

SERIAL PORT INTERRUPT SELECT
Port 1 (CN2)		S2/C	S2/D
»	IRQ4	Closed	Open
	IRQ3	Open	Closed

SERIAL PORT INTERRUPT SELECT
Port 2 (CN1)		S2/E	S2/F
»	IRQ3	Open	Closed
	IRQ4	Closed	Open

PARALLEL PORT CONFIGURATION
LPT	S1/C
1	Open
2	Closed

PARALLEL PORT INTERRUPT SELECT
IRQ		S2/A	S2/B
»	IRQ7	Closed	Open
	IRQ5	Open	Closed

FACTORY CONFIGURED SETTINGS
Switch	Setting
S1/D	N/A