RTX-05D IO card Settings and Configuration

Card Type	Serial port card
Chipset/Controller	Unidentified
I/O Options	Serial ports (2)
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1 - external	CN1	Serial port 2 - internal	CN2
Note:The location of CN2 is not specified in manufacturer’s documentation.

SERIAL PORT 1 CONFIGURATION
COM/Address		JP1	JP3
»	COM1/3F8h	Closed	Open
	COM3/3E8h	Open	Closed
	Disabled	Open	Open

SERIAL PORT 2 CONFIGURATION
COM/Address		JP2	JP4
»	COM2/2F8h	Closed	Open
	COM4/2E8h	Open	Closed
	Disabled	Open	Open

SERIAL PORT 1 INTERRUPT SELECT
IRQ		JP5	JP6
»	IRQ3	Open	Closed
	IRQ4	Closed	Open
	Disabled	Open	Open

SERIAL PORT 2 INTERRUPT SELECT
IRQ	JP7	JP8
IRQ4	Closed	Open
IRQ3	Open	Closed
Disabled	Open	Open

MISCELLANEOUS TECHNICAL NOTES

Serial ports 1 & 2 must have different IRQs selected.