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HOSTESS 550 RJ11

COMTROL CORPORATION

HOSTESS 550 RJ11

Card Type

Serial

Chipset

16554

I/O Options

Serial ports (4)

Data Bus

16-bit ISA

Card Size

Full height, three-quarters length

CONNECTIONS

Function

Label

Function

Label

Serial port 1

J1

Serial port 5

J5

Serial port 2

J2

Serial port 6

J6

Serial port 3

J3

Serial port 7

J7

Serial port 4

J4

Serial port 8

J8

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Factory configured - do not alter

SW1/1

Off

 

Interrupt mask enabled

SW2/1

On

 

Interrupt mask disabled

SW2/1

Off

BASE I/O ADDRESS SELECTION

Setting

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

 

0000h

On

On

On

On

On

On

On

 

0040h

Off

On

On

On

On

On

On

 

0080h

On

Off

On

On

On

On

On

 

00C0h

Off

Off

On

On

On

On

On

 

0100h

On

On

Off

On

On

On

On

0280h

On

Off

On

Off

On

On

On

 

1EC0h

Off

Off

On

Off

Off

Off

Off

 

1F00h

On

On

Off

Off

Off

Off

Off

 

1F40h

Off

On

Off

Off

Off

Off

Off

 

1F80h

On

Off

Off

Off

Off

Off

Off

 

1FC0h

Off

Off

Off

Off

Off

Off

Off

Note: A total of 256 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/2 is the Least Significant Bit. The switches have the following decimal values: SW1/8=4096, SW1/7=2048, SW1/6=1024, SW1/5=512, SW1/4=256, SW1/3=128, SW1/2=64. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0)

INTERRUPT SELECTION

Setting

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

SW2/7

SW2/8

2

On

Off

Off

Off

Off

Off

Off

3

Off

On

Off

Off

Off

Off

Off

4

Off

Off

On

Off

Off

Off

Off

5

Off

Off

Off

On

Off

Off

Off

7

Off

Off

Off

Off

On

Off

Off

10

Off

Off

Off

Off

Off

On

Off

11

Off

Off

Off

Off

Off

Off

On