DIGI INTERNATIONAL, INC.
========================

   COM/4I, COM/8I

   Card Type            Serial                                    
   Processor            80C186                                    
   Processor Speed      10MHz                                     
   Chipset              Unidentified                              
   Maximum Onboard      256KB RAM                                 
   Memory               
   I/O Options          Serial ports (4 for COM/4i, 8 for COM/8i) 
   Data Bus             8/16 bit ISA                              
   Card Size            Full height, full length                  

<gopher://bitreich.org/I/th99/i/C-D/53317-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function        | Label |     Function      | Label |
   |------------------------+-------+-------------------+-------|
   | Header to              |  H1A  | Header to main    |  H2B  |
   | daughterboard H1B      |       | board H2A (on     |       |
   |                        |       | back of card)     |       |
   |------------------------+-------+-------------------+-------|
   | Header to main board   |  H1B  | RS-232, RS-422,   |  P1   |
   | H1A (on back of card)  |       | or RS-485 serial  |       |
   |                        |       | ports via DB-78   |       |
   |                        |       | connector         |       |
   |------------------------+-------+-------------------+-------|
   | Header to              |  H2A  |                   |       |
   | daughterboard H2B      |       |                   |       |
   |------------------------------------------------------------|
   |      Note:Standard serial ports are provided on an         |
   |      external expansion box.                               |
   |                                                            |
   |      The types of serial ports provided are configured at  |
   |      the factory and are not user-configurable.            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Setting                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  J17  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   | Setting |       J2       |       J3       |       J4       |
   |---------+----------------+----------------+----------------|
   |  100h   |   Pins 2 & 3   |   Pins 2 & 3   |   Pins 1 & 2   |
   |         |     closed     |     closed     |     closed     |
   |---------+----------------+----------------+----------------|
   |  110h   |   Pins 2 & 3   |   Pins 1 & 2   |   Pins 2 & 3   |
   |         |     closed     |     closed     |     closed     |
   |---------+----------------+----------------+----------------|
   |  120h   |   Pins 2 & 3   |   Pins 1 & 2   |   Pins 1 & 2   |
   |         |     closed     |     closed     |     closed     |
   |---------+----------------+----------------+----------------|
   |  200h   |   Pins 1 & 2   |   Pins 2 & 3   |   Pins 2 & 3   |
   |         |     closed     |     closed     |     closed     |
   |---------+----------------+----------------+----------------|
   |  220h   |   Pins 1 & 2   |   Pins 2 & 3   |   Pins 1 & 2   |
   |         |     closed     |     closed     |     closed     |
   |---------+----------------+----------------+----------------|
   |  300h   |   Pins 1 & 2   |   Pins 1 & 2   |   Pins 2 & 3   |
   |         |     closed     |     closed     |     closed     |
   |---------+----------------+----------------+----------------|
   |  320h   |   Pins 1 & 2   |   Pins 1 & 2   |   Pins 1 & 2   |
   |         |     closed     |     closed     |     closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |   Setting    |   J5    |   J6   |   J7   |   J8   |   J9   |
   |--------------+---------+--------+--------+--------+--------|
   |   |   2/9    |  Open   |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    3     |  Open   |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    4     |  Open   |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    5     |  Open   |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    6     |  Open   |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    7     |  Open   |  Open  |  Open  |  Open  | Closed |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    10    |  Open   |  Open  |  Open  | Closed |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    11    |  Open   |  Open  | Closed |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    12    |  Open   | Closed |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    15    | Closed  |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |>> | Disabled |  Open   |  Open  |  Open  |  Open  |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                INTERRUPT SELECTION (CON'T)                 |
   |------------------------------------------------------------|
   |   Setting    |   J10   |  J11   |  J12   |  J13   |  J14   |
   |--------------+---------+--------+--------+--------+--------|
   |   |   2/9    |  Open   |  Open  |  Open  |  Open  | Closed |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    3     |  Open   |  Open  |  Open  | Closed |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    4     |  Open   |  Open  | Closed |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    5     |  Open   | Closed |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    6     | Closed  |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    7     |  Open   |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    10    |  Open   |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    11    |  Open   |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    12    |  Open   |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |   |    15    |  Open   |  Open  |  Open  |  Open  |  Open  |
   |---+----------+---------+--------+--------+--------+--------|
   |>> | Disabled |  Open   |  Open  |  Open  |  Open  |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SHARED MEMORY ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |        J15         |        J16         |
   |------------------+--------------------+--------------------|
   |     0C0000h      | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |     0C8000h      | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |     0D0000h      | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |     0D8000h      | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    EPROM SIZE SELECTION                    |
   |------------------------------------------------------------|
   |     Setting      |        JP1         |        JP2         |
   |------------------+--------------------+--------------------|
   |>> |     8KB      | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     16KB     | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     32KB     | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     64KB     | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+