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

   MICRO ENHANCER DELUXE EV-657 (VER.1.0)

   Card Type                   Parallel card, Video card          
   Video Chip Set              Everex Systems                     
   Highest Resolution          720 x 348                          
   Supported                   
   Maximum Video Memory        256KB DRAM (location unidentified) 
   Data Bus                    8-bit ISA                          
   Video Types Supported       EGA                                

<gopher://bitreich.org/I/th99/v/E-H/52649-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Function     | Label |         Function         | Label |
   |-----------------+-------+--------------------------+-------|
   | Parallel port   |  CN1  | 9-pin digital video port |  CN2  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> | Factory configured - do not alter  |  W1   | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Non-Maskable Interrupt selected    |  W2   | Pins 2 &  |
   |   | (NMI)                              |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Interrupt request selected (IRQ)   |  W2   | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | I/O port address selected at 3XX   |  W3   | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |   | I/O port address selected at 2XX   |  W3   | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Parallel port interrupt IRQ7       |  W6   | Pins 2 &  |
   |   | enabled                            |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Parallel port interrupt IRQ5       |  W6   | Pins 1 &  |
   |   | disabled                           |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Factory configured - do not alter  |  W7   | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Factory configured - do not alter  |  W8   |   Open    |
   |---+------------------------------------+-------+-----------|
   |>> | CRTC Vertical interrupt enabled    | W9/A  |  Closed   |
   |---+------------------------------------+-------+-----------|
   |   | CRTC Vertical interrupt disabled   | W9/A  |   Open    |
   |---+------------------------------------+-------+-----------|
   |>> | Operation in PC-XT slot 8 disabled |  W10  |   Open    |
   |---+------------------------------------+-------+-----------|
   |   | Operation in PC-XT slot 8 disabled |  W10  |  Closed   |
   |---+------------------------------------+-------+-----------|
   |>> | Factory configured - do not alter  |  W11  | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Factory configured - do not alter  |  W12  | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Factory configured - do not alter  |  W13  |  Closed   |
   |---+------------------------------------+-------+-----------|
   |>> | Emulation enabled                  | SW1/5 |    On     |
   |---+------------------------------------+-------+-----------|
   |   | Emulation disabled                 | SW1/5 |    Off    |
   |---+------------------------------------+-------+-----------|
   |>> | Factory configured - do not alter  | SW1/6 |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            PARALLEL PORT ADDRESS CONFIGURATION             |
   |------------------------------------------------------------|
   |     Address      |         W4         |         W5         |
   |------------------+--------------------+--------------------|
   |>> | 3BCh - 3BEh  | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   | 378h - 37Fh  | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | 278h - 27Fh  | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   BOOT-UP MODE SELECTION                   |
   |------------------------------------------------------------|
   | Monitor  |Mode & Format|SW1/1|SW1/2|SW1/3|SW1/4|SW1/7|SW1/8|
   |----------+-------------+-----+-----+-----+-----+-----+-----|
   | Enhanced |  EGA 80x25  | Off | On  | On  | Off | On  | On  |
   |----------+-------------+-----+-----+-----+-----+-----+-----|
   | Enhanced | Color 80x25 | On  | On  | On  | Off | On  | On  |
   |----------+-------------+-----+-----+-----+-----+-----+-----|
   |  Color   | Color 80x25 | Off | Off | Off | On  | On  | Off |
   |----------+-------------+-----+-----+-----+-----+-----+-----|
   |  Color   | Color 40x25 | On  | Off | Off | On  | On  | Off |
   |----------+-------------+-----+-----+-----+-----+-----+-----|
   |Monochrome| Monochrome  | Off | Off | On  | Off | Off | Off |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |Setting |  W9/B  |  W9/C  |  W9/D  |  W9/E  | W9/F  | W9/G  |
   |--------+--------+--------+--------+--------+-------+-------|
   |   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 |
   +------------------------------------------------------------+