COMTROL CORPORATION

HOSTESS 554 QUADCABLE, HOSTESS 554 OCTACABLE

Card Type

Serial

Chipset

16554

I/O Options

Serial ports (4 for Quadcable, 8 for Octacable)

Data Bus

16-bit ISA

Card Size

Full-height, half-length

CONNECTIONS

Function

Label

Serial ports via DB-78 port

J1

Note:Standard serial ports are available on an included adapter cable.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Interrupt mask enabled

SW2/1

On

Interrupt mask disabled

SW2/1

Off

BASE I/O ADDRESS SELECTION

Setting

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

 

0000h

On

On

On

On

On

On

On

On

 

0020h

Off

On

On

On

On

On

On

On

 

0040h

On

Off

On

On

On

On

On

On

 

0060h

Off

Off

On

On

On

On

On

On

 

0080h

On

On

Off

On

On

On

On

On

»

0280h

On

On

Off

On

Off

On

On

On

 

1F60h

Off

Off

On

Off

Off

Off

Off

Off

 

1F80h

On

On

Off

Off

Off

Off

Off

Off

 

1FA0h

Off

On

Off

Off

Off

Off

Off

Off

 

1FC0h

On

Off

Off

Off

Off

Off

Off

Off

 

1FE0h

Off

Off

Off

Off

Off

Off

Off

Off

Note: A total of 512 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 SW1/1 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, SW1/1=32. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0)

SW1/1 must be off on the Octacable card.

INTERRUPT SELECTION

Setting

JP1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

SW2/7

SW2/8

2

Pins 1 & 2

On

Off

Off

Off

Off

Off

Off

3

Pins 1 & 2

Off

On

Off

Off

Off

Off

Off

4

Pins 1 & 2

Off

Off

On

Off

Off

Off

Off

5

Pins 1 & 2

Off

Off

Off

On

Off

Off

Off

7

Pins 1 & 2

Off

Off

Off

Off

On

Off

Off

10

Pins 1 & 2

Off

Off

Off

Off

Off

On

Off

11

Pins 1 & 2

Off

Off

Off

Off

Off

Off

On

12

Pins 2 & 3

Off

Off

Off

Off

Off

Off

Off

Note:Pins designated are in the closed position.