COMTROL CORPORATION
HOSTESS 4/8, HOSTESS 550 4/8
|
Card Type |
Serial |
|
Chipset |
16450 (Hostess 4/8) or 16550 (Hostess 550 4/8) |
|
I/O Options |
Serial ports (8) |
|
Data Bus |
16-bit ISA |
|
Card Size |
Full height, half length |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Serial ports via 100-pin connector |
J1 |
Header for 4-port daughterboard |
J3 |
|
Header for 4-port daughterboard |
J2 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
| » |
Card does not have 4-port daughterboard installed |
JP1 |
Pins 2 & 3 closed |
|
Card has 4-port daughterboard installed |
JP1 |
Pins 1 & 2 closed | |
|
Interrupt mask enabled |
SW2/1 |
On | |
|
Interrupt mask disabled |
SW2/1 |
Off | |
| » |
Factory configured - do not alter |
SW2/8 |
Unidentified |
|
Note:SW2/8 must be off if the daughterboard is installed. | |||
|
COMTROL MODE 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 if the daughterboard is installed. | |||||||||
|
INTERRUPT SELECTION | |||||||
|
Setting |
JP2 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
SW2/7 |
|
2 |
Pins 1 & 2 |
On |
Off |
Off |
Off |
Off |
Off |
|
3 |
Pins 1 & 2 |
Off |
On |
Off |
Off |
Off |
Off |
|
4 |
Pins 1 & 2 |
Off |
Off |
On |
Off |
Off |
Off |
|
5 |
Pins 1 & 2 |
Off |
Off |
Off |
On |
Off |
Off |
|
7 |
Pins 2 & 3 |
Off |
Off |
Off |
Off |
Off |
Off |
|
10 |
Pins 1 & 2 |
Off |
Off |
Off |
Off |
On |
Off |
|
11 |
Pins 1 & 2 |
Off |
Off |
Off |
Off |
Off |
On |
|
Note:Pins designated are in the closed position. IRQ7 is only available on boards that have SW2 marked with INTERRUPT. | |||||||
