A508 IO card Settings and Configuration

Card Type	Serial controller
Chipset/Controller	8530 UART
I/O Options	Serial ports (2)
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1 - DB-9	CN1	Serial port 2 - DB-9	CN2

DMA CHANNEL SELECT - H1
Channel		Jumper A	Jumper B	Jumper C	Jumper D
»	1	Closed	Open	Open	Closed
	0	Open	Closed	Closed	Open

INTERRUPT SELECT - H2
IRQ		Jumper A	Jumper B	Jumper C	Jumper D
»	IRQ11	Open	Closed	Open	Open
	IRQ5	Open	Open	Open	Closed
	IRQ10	Open	Open	Closed	Open
	IRQ12	Closed	Open	Open	Open

I/O ADDRESSES
Address		J9
»	Primary addresses enabled	Open
	Secondary addresses enabled	Closed