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

   PC/16

   Card Type         Serial                                       
   Chipset           Unidentified                                 
   I/O Options       Serial ports (16)                            
   Data Bus          8-bit ISA                                    
   Card Size         Full height, full length                     

<gopher://bitreich.org/I/th99/i/C-D/53747-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function       | Label  |      Function       | Label |
   |---------------------+--------+---------------------+-------|
   | Serial ports via    |   P1   | Interrupt daisy     |  P3   |
   | ribbon cable        |        | chain connector     |       |
   |---------------------+--------+---------------------+-------|
   | Serial ports via    |   P2   |                     |       |
   | ribbon cable        |        |                     |       |
   |------------------------------------------------------------|
   |      Note:Standard RJ-45 serial ports are provided on an   |
   |      external expansion box.                               |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Setting                 | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> | Board is not daisy-chained or is   |  J7   | Pins 1 &  |
   |   | daisy-chained and is board 0       |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Board is daisy-chained and is      |  J7   | Pins 2 &  |
   |   | board 1                            |       | 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |Setting |   J1   |   J2   |   J3   |   J4   |  J5   |  J6   |
   |--------+--------+--------+--------+--------+-------+-------|
   |   2    | Closed |  Open  |  Open  |  Open  | Open  | Open  |
   |--------+--------+--------+--------+--------+-------+-------|
   |   3    |  Open  | Closed |  Open  |  Open  | Open  | Open  |
   |--------+--------+--------+--------+--------+-------+-------|
   |   4    |  Open  |  Open  | Closed |  Open  | Open  | Open  |
   |--------+--------+--------+--------+--------+-------+-------|
   |   5    |  Open  |  Open  |  Open  | Closed | Open  | Open  |
   |--------+--------+--------+--------+--------+-------+-------|
   |   6    |  Open  |  Open  |  Open  |  Open  |Closed | Open  |
   |--------+--------+--------+--------+--------+-------+-------|
   |   7    |  Open  |  Open  |  Open  |  Open  | Open  |Closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |      Setting      |        U46         |        U58        |
   |-------------------+--------------------+-------------------|
   |    100h - 187h    |   PAL #40000247    |   PAL #40000246   |
   |-------------------+--------------------+-------------------|
   |   130h - 16Fh,    |   PAL #40000239    |   PAL #40000238   |
   | 188h, 1B0h - 1EFh |                    |                   |
   |-------------------+--------------------+-------------------|
   |    188h - 26Fh    |   PAL #40000249    |   PAL #40000248   |
   |-------------------+--------------------+-------------------|
   |   230h - 26Fh,    |   PAL #40000241    |   PAL #40000240   |
   | 289h, 2B0h - 2EFh |                    |                   |
   |------------------------------------------------------------|
   |      Note:The base I/O address is fixed by the programmed  |
   |      array logic chips installed in U46 and U58.           |
   +------------------------------------------------------------+