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

   1800B 286/10 (EV-1801)

   Processor         80286                                        
   Processor Speed   8/10/12MHz                                   
   Chip Set          C & T/Suntac                                 
   Max. onboard DRAM 1MB                                          
   Cache             None                                         
   BIOS              AMI                                          
   Dimensions        330mm x 218mm                                
   I/O Options       Parallel port, serial port (2)               
   NPU Options       80287                                        

<gopher://bitreich.org/I/th99/m/E-H/31413-1.png>
   

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

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               |  Switch   | Position |
   |-------------------------------------+-----------+----------|
   |>> | Monitor type select color       |    C/M    |    On    |
   |---+---------------------------------+-----------+----------|
   |   | Monitor type select monochrome  |    C/M    |   Off    |
   |---+---------------------------------+-----------+----------|
   |>> | Factory configured - do not     | W1/switch |   Off    |
   |   | alter                           |     6     |          |
   |---+---------------------------------+-----------+----------|
   |>> | Factory configured - do not     |    W9     | Unknown  |
   |   | alter                           |           |          |
   |---+---------------------------------+-----------+----------|
   |>> | Factory configured - do not     |    W10    | Unknown  |
   |   | alter                           |           |          |
   |---+---------------------------------+-----------+----------|
   |>> | Factory configured - do not     |    W13    | Unknown  |
   |   | alter                           |           |          |
   |---+---------------------------------+-----------+----------|
   |>> | Factory configured - do not     |    W16    | Unknown  |
   |   | alter                           |           |          |
   |------------------------------------------------------------|
   | Note:The locations of jumpers W9, W10, W13, and W16 are    |
   | unknown.                                                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    DRAM CONFIGURATIONS                     |
   |------------------------------------------------------------|
   |  Size  |  Bank 0   |  Bank 1   | W1/switch 7 | W1/switch 8 |
   |--------+-----------+-----------+-------------+-------------|
   | 256KB  | (8) 4164  | (8) 4164  |     On      |     On      |
   |--------+-----------+-----------+-------------+-------------|
   | 512KB  | (8) 41256 |   NONE    |     On      |     Off     |
   |--------+-----------+-----------+-------------+-------------|
   | 640KB  | (8) 41256 | (8) 4164  |     Off     |     On      |
   |--------+-----------+-----------+-------------+-------------|
   |  1MB   | (8) 41256 | (8) 41256 |     Off     |     Off     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     BIOS TYPE SETTINGS                     |
   |------------------------------------------------------------|
   |  Function  | W1/switch | W1/switch | W1/switch | W1/switch |
   |            |     1     |     2     |     3     |     4     |
   |------------+-----------+-----------+-----------+-----------|
   |>> | BIOS   |    On     |    On     |    Off    |    Off    |
   |   | type   |           |           |           |           |
   |   | select |           |           |           |           |
   |   | 27256  |           |           |           |           |
   |---+--------+-----------+-----------+-----------+-----------|
   |   | BIOS   |    Off    |    Off    |    On     |    On     |
   |   | type   |           |           |           |           |
   |   | select |           |           |           |           |
   |   | 27512  |           |           |           |           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  NPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |       Speed        |        W8         |        W11        |
   |--------------------+-------------------+-------------------|
   |        5MHz        |         B         |         B         |
   |--------------------+-------------------+-------------------|
   |        8MHz        |         A         |         A         |
   |--------------------+-------------------+-------------------|
   |       10MHz        |         A         |         B         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |         Port 1         |      W14/A      |      W14/B      |
   |------------------------+-----------------+-----------------|
   |>> |        COM1        |       On        |       On        |
   |---+--------------------+-----------------+-----------------|
   |   |        COM3        |       On        |       Off       |
   |---+--------------------+-----------------+-----------------|
   |   |      Disabled      |       Off       |       On        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |         Port 2         |      W14/C      |      W14/D      |
   |------------------------+-----------------+-----------------|
   |>> |        COM2        |       On        |       On        |
   |---+--------------------+-----------------+-----------------|
   |   |        COM4        |       On        |       Off       |
   |---+--------------------+-----------------+-----------------|
   |   |      Disabled      |       Off       |       On        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |      LPT       |   W4/1   |   W4/2   |   W4/3   |   W4/4   |
   |----------------+----------+----------+----------+----------|
   |>> |     1      |    On    |   Off    |    On    |          |
   |---+------------+----------+----------+----------+----------|
   |   |     2      |    On    |    On    |   Off    |    On    |
   |---+------------+----------+----------+----------+----------|
   |   |  Disabled  |   Off    |   Off    |   Off    |   Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 8-BIT I/O WAIT STATE TABLE                 |
   |------------------------------------------------------------|
   |      Wait states       |    W1/Switch 5     |      W7      |
   |------------------------+--------------------+--------------|
   |   |   0 wait states    |         On         |     N/A      |
   |---+--------------------+--------------------+--------------|
   |   |    1 wait state    |        Off         |     N/A      |
   |---+--------------------+--------------------+--------------|
   |   |   2 wait states    |        Off         |     N/A      |
   |---+--------------------+--------------------+--------------|
   |   |   3 wait states    |        Off         |     N/A      |
   |---+--------------------+--------------------+--------------|
   |   |   4 wait states    |        Off         |      4       |
   |---+--------------------+--------------------+--------------|
   |   |   5 wait states    |        Off         |      5       |
   |---+--------------------+--------------------+--------------|
   |   |   6 wait states    |        Off         |      6       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                16-BIT I/O WAIT STATE TABLE                 |
   |------------------------------------------------------------|
   |             Wait states             |         W12          |
   |-------------------------------------+----------------------|
   |     |         1 wait state          |          1           |
   |-----+-------------------------------+----------------------|
   |     |         2 wait states         |          2           |
   |-----+-------------------------------+----------------------|
   |     |         3 wait states         |          3           |
   |-----+-------------------------------+----------------------|
   |     |         4 wait states         |          4           |
   |-----+-------------------------------+----------------------|
   |     |         5 wait states         |         N/A          |
   |-----+-------------------------------+----------------------|
   |     |         6 wait states         |         N/A          |
   +------------------------------------------------------------+