ISA EPC/X IO card Settings and Configuration

Card Type	Serial controller
Chipset/Controller	R3051 RISC Processor
I/O Options	Serial ports (2)
Maximum DRAM	1MB dual-ported RAM

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	Serial port 2	CN2
Note:CN1 & CN2 are RS-422 ports which attach to RS-232 concentrators.

I/O ADDRESS SELECT
Address	SW1/1	SW1/2	SW1/3
108h	Off	Off	On
118h	Off	On	Off
128h	Off	On	On
208h	On	Off	Off
228h	On	Off	On
308h	On	On	Off
328h	On	On	On

FACTORY CONFIGURED SETTINGS
Jumper	Setting
J1	Pins 1 & 2 closed
SW1/4	N/A