CHASE RESEARCH, INC.
====================

   CHASE IOPRO

   Card Type          Serial interface                            
   Chipset Controller N/A                                         
   I/O Options        Serial port (64)                            
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/C-D/50956-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose       | Location |     Purpose     | Location |
   |--------------------+----------+-----------------+----------|
   | Power cable        |   CN1    | Power connector |   CN3    |
   | connector          |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | Data cable         |   CN2    |                 |          |
   | connector          |          |                 |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               BASE I/O ADDRESS CONFIGURATION               |
   |------------------------------------------------------------|
   |   >> Address     |     LK1      |     LK2     |     LK3     |
   |-----------------+--------------+-------------+-------------|
   |>>  |    180h    |     Open     |    Open     |    Open     |
   |----+------------+--------------+-------------+-------------|
   |    |    190h    |    Closed    |    Open     |    Open     |
   |----+------------+--------------+-------------+-------------|
   |    |    200h    |     Open     |   Closed    |    Open     |
   |----+------------+--------------+-------------+-------------|
   |    |    240h    |    Closed    |   Closed    |    Open     |
   |----+------------+--------------+-------------+-------------|
   |    |    280h    |     Open     |    Open     |   Closed    |
   |----+------------+--------------+-------------+-------------|
   |    |    2E0h    |    Closed    |    Open     |   Closed    |
   |----+------------+--------------+-------------+-------------|
   |    |    300h    |     Open     |   Closed    |   Closed    |
   |----+------------+--------------+-------------+-------------|
   |    |    340h    |    Closed    |   Closed    |   Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             FACTORY CONFIGURED - DO NOT ALTER              |
   |------------------------------------------------------------|
   |           Jumper            |           Position           |
   |-----------------------------+------------------------------|
   |             LK6             |             Open             |
   |-----------------------------+------------------------------|
   |             LK8             |             Open             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                MISCELLANEOUS TECHNICAL NOTE                |
   |------------------------------------------------------------|
   | Serial ports are located on external units (CN2).          |
   +------------------------------------------------------------+