COMTROL CORPORATION
HOSTESS 550
|
Card Type |
Multi-user serial controller |
|
Chipset/Controller |
Texas Instruments (UART) |
|
I/O Options |
Serial ports (4 or 8) |
|
Maximum DRAM |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
100-pin interface connector |
CN1 |
Upgrade connector 1 |
J2 |
|
Daisy chain connector 1 |
CN2 |
Upgrade connector 2 |
J3 |
|
Daisy chain connector 2 |
CN3 | ||
|
Note: Daisy chain connectors are for the use of multiple cards on the same interrupt. | |||
|
I/O ADDRESS SELECTION | |||||||
|
Address |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
|
140h |
Off |
On |
Off |
On |
On |
On |
On |
|
200h |
On |
On |
On |
Off |
On |
On |
On |
|
240h |
Off |
On |
On |
Off |
On |
On |
On |
|
280h |
On |
Off |
On |
Off |
On |
On |
On |
|
500h |
On |
On |
Off |
On |
Off |
On |
On |
|
540h |
Off |
On |
Off |
On |
Off |
On |
On |
|
580h |
On |
Off |
Off |
On |
Off |
On |
On |
|
640h |
Off |
On |
On |
Off |
Off |
On |
On |
|
680h |
On |
Off |
On |
Off |
Off |
On |
On |
|
6C0h |
Off |
Off |
On |
Off |
Off |
On |
On |
|
700h |
On |
On |
Off |
Off |
Off |
On |
On |
|
Note: These settings are for use with SCO XENIX, SCO UNIX, AT&T UNIX, INTERACTIVE 386/ix, and Microport V/386 operating systems. | |||||||
|
I/O ADDRESS SELECTION | ||||||||
|
Address |
Controller |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
|
280h |
First |
On |
Off |
On |
Off |
On |
On |
On |
|
240h |
Second |
Off |
On |
On |
Off |
On |
On |
On |
|
Note:These settings are for use with the SunOS operating system with a maximum of two Hostess 550 controllers in a system.. | ||||||||
|
SERIAL PORT INTERRUPT SELECTION | |||||||
|
IRQ |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
SW2/7 |
|
2 |
On |
On |
Off |
Off |
Off |
Off |
Off |
|
3 |
On |
Off |
On |
Off |
Off |
Off |
Off |
|
4 |
On |
Off |
Off |
On |
Off |
Off |
Off |
|
5 |
On |
Off |
Off |
Off |
On |
Off |
Off |
|
10 |
On |
Off |
Off |
Off |
Off |
On |
Off |
|
11 |
On |
Off |
Off |
Off |
Off |
Off |
On |
|
Note: These settings are for use with SCO XENIX, SCO UNIX, AT&T UNIX, INTERACTIVE 386/ix, DOS, and Microport V/386 operating systems. | |||||||
|
I/O ADDRESS SELECTION | ||||||||
|
Address |
Controller |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
|
280h |
First |
On |
Off |
On |
Off |
Off |
Off |
Off |
|
240h |
Second |
On |
Off |
Off |
On |
Off |
Off |
Off |
|
Note: These settings are for use with the SunOS operating system. | ||||||||
|
MISCELLANEOUS TECHNICAL NOTE |
|
Switch 1/1 is Off for an eight port controller, on for a four port. Switch 2/8 is on for a four port controller and Off for an eight port. Serial ports are located on an interface box which connects to Hostess 186 via the 100-pin interface connector. |