EQUINOX SYSTEMS, INC.
=====================

   SST HOST CONTROLLER BOARD

   Category               Serial controller                       
   Chipset Controller     Equinox Systems, Inc.                   
   I /O Options Supported Up to 128 serial ports                  
   Maximum Onboard Memory N/A                                     

<gopher://bitreich.org/I/th99/i/E-H/50886-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose       | Location |     Purpose     | Location |
   |--------------------+----------+-----------------+----------|
   | RS-232 interface   |   CN1    | Power connector |    J1    |
   | (ports 65-128) -   |          |                 |          |
   | DB-25              |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | RS-232 interface   |   CN2    |                 |          |
   | (ports 1-64) -     |          |                 |          |
   | DB-25              |          |                 |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            EXPANSION MODULE POWER SOURCE SELECT            |
   |------------------------------------------------------------|
   |  Power Source  |J2/jumper A|J2/jumper B|J3/jumper|J3/jumper|
   |                |           |           |    A    |    B    |
   |----------------+-----------+-----------+---------+---------|
   |>>|CN2 powered by| All pins  | All pins  |  Open   |  Open   |
   | |  main board  |   open    |   open    |         |         |
   | |              |           |           |         |         |
   | | CN1 powered  |           |           |         |         |
   | |  through J1  |           |           |         |         |
   |-+--------------+-----------+-----------+---------+---------|
   | |  All ports   |Pins 2 & 3 |Pins 2 & 3 | Closed  | Closed  |
   | |  powered by  |  closed   |  closed   |         |         |
   | |  main board  |           |           |         |         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        I/O ADDRESS                         |
   |------------------------------------------------------------|
   |   Address    |   SW1/1   |   SW1/2   |  SW1/3   |  SW1/4   |
   |--------------+-----------+-----------+----------+----------|
   |>> |   200h   |    Off    |    Off    |   Off    |   Off    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   220h   |    On     |    Off    |   Off    |   Off    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   240h   |    Off    |    On     |   Off    |   Off    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   260h   |    On     |    On     |   Off    |   Off    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   280h   |    Off    |    Off    |    On    |   Off    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   2A0h   |    On     |    Off    |    On    |   Off    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   2C0h   |    Off    |    On     |    On    |   Off    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   2E0h   |    On     |    On     |    On    |   Off    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   300h   |    Off    |    Off    |   Off    |    On    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   320h   |    On     |    Off    |   Off    |    On    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   340h   |    Off    |    On     |   Off    |    On    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   360h   |    On     |    On     |   Off    |    On    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   380h   |    Off    |    Off    |    On    |    On    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   3A0h   |    On     |    Off    |    On    |    On    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   3C0h   |    Off    |    On     |    On    |    On    |
   |---+----------+-----------+-----------+----------+----------|
   |   |   3E0h   |    On     |    On     |    On    |    On    |
   +------------------------------------------------------------+