SIO-485 IO card Settings and Configuration

Card Type	Serial card
Chip Set	Unidentified
Maximum Onboard Memory	Unidentified
I/O Options	Serial port
Hard Drives supported	None
Floppy drives supported	None
Data Bus	8-bit ISA
Card Size	Half-length, full-height

CONNECTIONS
Function	Label
Serial Port 1	J1

USER CONFIGURABLE SETTINGS
Function		Label	Position
	RS-485 enabled by RTS	E2	Closed
»	RS-422/485 always enabled	E2	Open
Note: For the RS-422 and the RS-485 ports, the RS-422/485 driver/receiver pair are installed at U6 and U7.

BASE I/O ADDRESS SELECTION PORT 1
Setting		SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6	SW1/7	SW1/8
	238h	On	Off	Off	Off	Off	Off	Off	Off
	2B8h	Off	On	Off	Off	Off	Off	Off	Off
	338h	Off	Off	On	Off	Off	Off	Off	Off
	3B8h	Off	Off	Off	On	Off	Off	Off	Off
	278h	Off	Off	Off	Off	On	Off	Off	Off
	2F8h	Off	Off	Off	Off	Off	On	Off	Off
	378h	Off	Off	Off	Off	Off	Off	On	Off
»	3F8h	Off	Off	Off	Off	Off	Off	Off	On
	Disabled	Off	Off	Off	Off	Off	Off	Off	Off

SERIAL PORT 1 INTERRUPT SELECTION
IRQ		E1/Pins 1 & 2	E1/Pins 2 & 3
	IRQ3	Closed	Closed
»	IRQ4	Open	Closed
	None	Open	Open