COMTROL CORPORATION
===================

   HOSTESS S VER.2

   Card Type          Serial Controller                           
   Chipset/Controller Unidentified UART                           
   I/O Options        Serial I/O ports(2)                         
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/C-D/50518-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Purpose     | Location |      Purpose       | Location |
   |-----------------+----------+--------------------+----------|
   | DB-9 serial I/O |   CN1    | DB-25 I/O          |   CN3    |
   | port            |          | port(optional)     |          |
   |-----------------+----------+--------------------+----------|
   | DB-25 I/O port  |   CN2    |                    |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        I/O ADDRESS                         |
   |------------------------------------------------------------|
   |     Address     |    SW1/1     |    SW1/2    |    SW1/3    |
   |-----------------+--------------+-------------+-------------|
   |   200 - 207h    |      On      |     On      |     On      |
   |-----------------+--------------+-------------+-------------|
   |   280 - 287h    |      On      |     On      |     Off     |
   |-----------------+--------------+-------------+-------------|
   |   2C0 - 287h    |      On      |     Off     |     On      |
   |-----------------+--------------+-------------+-------------|
   |   300 - 307h    |      On      |     Off     |     Off     |
   |-----------------+--------------+-------------+-------------|
   |    Reserved     |     Off      |     On      |     On      |
   |-----------------+--------------+-------------+-------------|
   |    Reserved     |     Off      |     On      |     Off     |
   |-----------------+--------------+-------------+-------------|
   |    Reserved     |     Off      |     Off     |     On      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      INTERRUPT SELECT                      |
   |------------------------------------------------------------|
   |   IRQ    |  SW1/4  |  SW1/5  |  SW1/6  |  SW1/7  |  SW1/8  |
   |----------+---------+---------+---------+---------+---------|
   |   IRQ2   |   Off   |   Off   |   Off   |   Off   |   On    |
   |----------+---------+---------+---------+---------+---------|
   |   IRQ3   |   Off   |   Off   |   Off   |   On    |   Off   |
   |----------+---------+---------+---------+---------+---------|
   |   IRQ5   |   Off   |   Off   |   On    |   Off   |   Off   |
   |----------+---------+---------+---------+---------+---------|
   |  IRQ10   |   Off   |   On    |   Off   |   Off   |   Off   |
   |----------+---------+---------+---------+---------+---------|
   |  IRQ11   |   On    |   Off   |   Off   |   Off   |   Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    TERMINATION SETTINGS                    |
   |------------------------------------------------------------|
   |        Setting         |  JP1   |  JP2   |  JP3   |  JP4   |
   |------------------------+--------+--------+--------+--------|
   |>> | Receive clock for  |  Open  |  N/A   |  N/A   |  N/A   |
   |   | port 1(CN2) is not |        |        |        |        |
   |   |     terminated     |        |        |        |        |
   |---+--------------------+--------+--------+--------+--------|
   |   | Receive clock for  | Closed |  N/A   |  N/A   |  N/A   |
   |   |   port 1(CN2) is   |        |        |        |        |
   |   |     terminated     |        |        |        |        |
   |---+--------------------+--------+--------+--------+--------|
   |>> | Receive signal for |  N/A   |  Open  |  N/A   |  N/A   |
   |   | port 1(CN2) is not |        |        |        |        |
   |   |     terminated     |        |        |        |        |
   |---+--------------------+--------+--------+--------+--------|
   |   | Receive signal for |  N/A   | Closed |  N/A   |  N/A   |
   |   |   port 1(CN2) is   |        |        |        |        |
   |   |     terminated     |        |        |        |        |
   |---+--------------------+--------+--------+--------+--------|
   |>> | Transmit clock for |  N/A   |  N/A   |  Open  |  N/A   |
   |   | port 1(CN2) is not |        |        |        |        |
   |   |     terminated     |        |        |        |        |
   |---+--------------------+--------+--------+--------+--------|
   |   | Transmit clock for |  N/A   |  N/A   | Closed |  N/A   |
   |   |   port 1(CN2) is   |        |        |        |        |
   |   |     terminated     |        |        |        |        |
   |---+--------------------+--------+--------+--------+--------|
   |>> | Receive signal for |  N/A   |  N/A   |  N/A   |  Open  |
   |   | port 2(CN1) is not |        |        |        |        |
   |   |     terminated     |        |        |        |        |
   |---+--------------------+--------+--------+--------+--------|
   |   | Receive signal for |  N/A   |  N/A   |  N/A   | Closed |
   |   |   port 2(CN1) is   |        |        |        |        |
   |   |     terminated     |        |        |        |        |
   +------------------------------------------------------------+