EVEREX SYSTEMS, INC.
====================

   MAGIC I/O EV-170/170A

   Card Type          Multi I/O                                   
   Chipset/Controller Krueger Company                             
   I/O Options        Parallel port, serial ports (2)             
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/E-H/50226-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose      | Location |     Purpose      | Location |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN1    | Serial port 2    |   CN3    |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN2    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |  Port 1 (CN2)  |  SW1/1   |  SW1/2   |  SW1/3   |  SW1/4   |
   |----------------+----------+----------+----------+----------|
   |>> |    COM1    |    On    |   Off    |   Off    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   |    COM2    |   Off    |    On    |   Off    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   |    COM3    |   Off    |   Off    |    On    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   |    COM4    |   Off    |   Off    |   Off    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |  Disabled  |   Off    |   Off    |   Off    |   Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |  Port 2 (CN3)  |  SW1/5   |  SW1/6   |  SW1/7   |  SW1/8   |
   |----------------+----------+----------+----------+----------|
   |>> |    COM1    |    On    |   Off    |   Off    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   |    COM2    |   Off    |    On    |   Off    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   |    COM3    |   Off    |   Off    |    On    |   Off    |
   |---+------------+----------+----------+----------+----------|
   |   |    COM4    |   Off    |   Off    |   Off    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |  Disabled  |   Off    |   Off    |   Off    |   Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT INTERRUPT SELECTION               |
   |------------------------------------------------------------|
   |   Port 1   | Port 2 (CN3) |       JP5       |     JP5      |
   |   (CN2)    |              |                 |              |
   |------------+--------------+-----------------+--------------|
   |>>  | IRQ4  |     IRQ3     |   Pins 4 & 5    |  Pins 2 & 3  |
   |    |       |              |     closed      |    closed    |
   |----+-------+--------------+-----------------+--------------|
   |    | IRQ3  |     IRQ4     |   Pins 1 & 2    |  Pins 5 & 6  |
   |    |       |              |     closed      |    closed    |
   |----+-------+--------------+-----------------+--------------|
   |    | IRQ2  |     IRQ2     |  Pins 10 & 11   | Pins 11 & 12 |
   |    |       |              |     closed      |    closed    |
   |----+-------+--------------+-----------------+--------------|
   |    | IRQ5  |     IRQ5     |   Pins 7 & 8    |  Pins 8 & 9  |
   |    |       |              |     closed      |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |       SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION         |
   |------------------------------------------------------------|
   |   Port 1    | Port 2  |        JP7         |      JP8      |
   |-------------+---------+--------------------+---------------|
   |>> | Normal  | Normal  | Pins 1 & 2, 4 & 5, | Pins 1 & 2, 4 |
   |   |         |         |    7 & 8 closed    |  & 5, 7 & 8   |
   |   |         |         |                    |    closed     |
   |---+---------+---------+--------------------+---------------|
   |   | Forced  | Forced  | Pins 2 & 3, 5 & 6, | Pins 2 & 3, 5 |
   |   |  True   |  True   |    8 & 9 closed    |  & 6, 8 & 9   |
   |   |         |         |                    |    closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            SERIAL PORT'S DTE/DCE CONFIGURATION             |
   |------------------------------------------------------------|
   |   Primary serial port CN2   |  Secondary serial port CN3   |
   |-----------------------------+------------------------------|
   |         Jumper JP9          |         Jumper JP10          |
   |                             |                              |
<gopher://bitreich.org/I/th99/i/E-H/50226-2.png>
   |                     | [3][IMG]                     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |            LPT             |              JP6              |
   |----------------------------+-------------------------------|
   |>> |           2            |       Pins 3 & 6 closed       |
   |---+------------------------+-------------------------------|
   |   |           1            |       Pins 1 & 4 closed       |
   |---+------------------------+-------------------------------|
   |   |           3            |       Pins 2 & 5 closed       |
   |---+------------------------+-------------------------------|
   |   |        Disabled        |             Open              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |            IRQ             |              JP1              |
   |----------------------------+-------------------------------|
   |>>    |          7          |       Pins 2 & 3 closed       |
   |------+---------------------+-------------------------------|
   |      |          5          |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               PARALLEL PORT MODE SELECTION                 |
   |------------------------------------------------------------|
   |               Mode                |          JP3           |
   |-----------------------------------+------------------------|
   |>> |   Unidirectional (printer)    |   Pins 1 & 2 closed    |
   |---+-------------------------------+------------------------|
   |   |         Bidirectional         |   Pins 2 & 3 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CLOCK CONFIGURATION                     |
   |------------------------------------------------------------|
   |             Setting             |           JP2            |
   |---------------------------------+--------------------------|
   |>> |           Enabled           |          Closed          |
   |---+-----------------------------+--------------------------|
   |   |          Disabled           |           Open           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CLOCK INTERRUPT SELECTION                  |
   |------------------------------------------------------------|
   |            IRQ             |              JP4              |
   |----------------------------+-------------------------------|
   |>> |        Disabled        |             Open              |
   |---+------------------------+-------------------------------|
   |   |           5            |       Pins 2 & 5 closed       |
   |---+------------------------+-------------------------------|
   |   |           7            |       Pins 3 & 6 closed       |
   |---+------------------------+-------------------------------|
   |   |           2            |       Pins 1 & 4 closed       |
   +------------------------------------------------------------+