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

   MC/16I (PART NO. 30001224)

   Card Type              Serial                                  
   Processor              80C186                                  
   Processor Speed        Unidentified                            
   Chipset                Unidentified                            
   Maximum Onboard Memory 256KB dual-ported RAM                   
   I/O Options            Serial ports (16)                       
   Data Bus               MCA                                     
   Card Size              Full height, full length                

<gopher://bitreich.org/I/th99/i/C-D/53316-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Function    | Label  |         Function         | Label |
   |----------------+--------+--------------------------+-------|
   | Header to H1B  |  H1A   | Header to H3B            |  H3A  |
   |----------------+--------+--------------------------+-------|
   | Header to H1A  |  H1B   | Header to H3A            |  H3B  |
   |----------------+--------+--------------------------+-------|
   | Header to H2B  |  H2A   | RS-232, RS-422, or       |  P3   |
   |                |        | RS-485 serial ports via  |       |
   |                |        | unidentified connector   |       |
   |----------------+--------+--------------------------+-------|
   | Header to H2A  |  H2B   | RS-232, RS-422, or       |  P6   |
   |                |        | RS-485 serial ports via  |       |
   |                |        | unidentified connector   |       |
   |------------------------------------------------------------|
   |      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    |
   |-----------------------------------+-------+----------------|
   |>> | Shared memory window is 32KB  |  J1   |   Pins 2 & 3   |
   |   |                               |       |     closed     |
   |---+-------------------------------+-------+----------------|
   |   | Shared memory window is 128KB |  J1   |   Pins 1 & 2   |
   |   |                               |       |     closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    EPROM SIZE SELECTION                    |
   |------------------------------------------------------------|
   |   Setting   |           J5           |         J6          |
   |-------------+------------------------+---------------------|
   |    16KB     |   Pins 1 & 2 closed    |  Pins 1 & 2 closed  |
   |-------------+------------------------+---------------------|
   |    32KB     |   Pins 1 & 2 closed    |  Pins 1 & 2 closed  |
   |-------------+------------------------+---------------------|
   |    64KB     |   Pins 1 & 2 closed    |  Pins 2 & 3 closed  |
   |-------------+------------------------+---------------------|
   |    128KB    |   Pins 2 & 3 closed    |  Pins 2 & 3 closed  |
   |------------------------------------------------------------|
   |      Note:On RS-422 versions of this board, the jumpers    |
   |      are labeled J3 and J4, respectively.                  |
   +------------------------------------------------------------+