COMTROL CORPORATION IO card Settings and Configuration

Card Type	Multi-user serial controller
Chipset/Controller	Texas Instruments (UART)
I/O Options	Serial ports (16)
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
100 Pin interface connector	CN1	Daisy chain connector 2	J2
Daisy chain connector 1	J1
Note: Daisy chain connectors are for the use of multiple cards on the same interrupt.

RS-232/RS-422 MODE SELECTION
Port	RS-232	RS-422
JP1-16/A-C	Pins 2 & 3 closed	Pins 1 & 2 closed

SERIAL PORT INTERRUPT SELECTION
IRQ	SW2/1	SW2/2	SW2/3	SW2/4	SW2/5	SW2/6	SW2/7	SW2/8
2/9	N/A	On	Off	Off	Off	Off	Off	Off
3	N/A	Off	On	Off	Off	Off	Off	Off
4	N/A	Off	Off	On	Off	Off	Off	Off
5	N/A	Off	Off	Off	On	Off	Off	Off
10	N/A	Off	Off	Off	Off	On	Off	Off
11	N/A	Off	Off	Off	Off	Off	On	Off
12	N/A	Off	Off	Off	Off	Off	Off	On
Note: These interrupts are for AT&T, DOS, INTERACTIVE 386/ix, SCO XENIX, and SCO UNIX operating systems.

MASK INTERRUPT CONFIGURATION
Setting	SW2/1
Enabled	On
Disabled	Off

I/O ADDRESS SELECTION
Address	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6	SW1/7	SW1/8
200h	On	On	Off	On	On	On	On	On
280h	Off	On	Off	On	On	On	On	On
500h	On	Off	On	Off	On	On	On	On
580h	Off	Off	On	Off	On	On	On	On
600h	On	On	Off	Off	On	On	On	On
680h	Off	On	Off	Off	On	On	On	On
700h	On	Off	Off	Off	On	On	On	On
Note: These settings are used for SCO XENIX, SCO UNIX, AT&T UNIX, AND INTERACTIVE 386/ix operating systems.

MISCELLANEOUS TECHNICAL NOTE

Serial ports are located on an interface box which connects to Hostess 550 via the 100-pin interface connector.