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

   3000B 80386SX-20

   Processor             80386SX                                  
   Processor Speed       20MHz                                    
   Chip Set              Suntac                                   
   Max. Onboard DRAM     8MB                                      
   Cache                 64KB                                     
   BIOS                  AMI                                      
   Dimensions            355mm x 304mm                            
   I/O Options           None                                     
   NPU Options           80387SX                                  

<gopher://bitreich.org/I/th99/m/E-H/30522-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Front panel       |    J1    | External battery |    J4    |
   | display           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J2    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Factory configured - do not      |   J6   |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   W7   |    Open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   W8   |   Closed   |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | I/O bus (8-bit) speed select 5   |   W2   | pins 1 & 2 |
   |   | wait states                      |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | I/O bus (8-bit) speed select 4   |   W2   | pins 2 & 3 |
   |   | wait states                      |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Power on speed select            |   W3   | pins 2 & 3 |
   |   | fast/switchable from keyboard    |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Power on speed select slow       |   W3   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Power on speed select fast       |   W3   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | I/O bus (16-bit) speed select 2  |   W5   | pins 2 & 3 |
   |   | wait states                      |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | I/O bus (16-bit) speed select 1  |   W5   | pins 1 & 2 |
   |   | wait states                      |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select monochrome   |   W9   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select color        |   W9   |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
   |------+-------------+-------------+------------+------------|
   | 1MB  | (2) 256K x  | (2) 256K x  |    NONE    |    NONE    |
   |      |      9      |      9      |            |            |
   |------+-------------+-------------+------------+------------|
   | 2MB  | (2) 256K x  | (2) 256K x  | (2) 256K x | (2) 256K x |
   |      |      9      |      9      |     9      |     9      |
   |------+-------------+-------------+------------+------------|
   | 2MB  | (2) 1M x 9  |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 4MB  | (2) 1M x 9  | (2) 1M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 6MB  | (2) 1M x 9  | (2) 1M x 9  | (2) 1M x 9 |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 8MB  | (2) 1M x 9  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM SWITCH CONFIGURATION                  |
   |------------------------------------------------------------|
   |   Size    |   SW1/1    |   SW1/2   |   SW1/3   |   SW1/4   |
   |-----------+------------+-----------+-----------+-----------|
   |    1MB    |     On     |    On     |    On     |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |    2MB    |     On     |    On     |    On     |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    2MB    |     On     |    Off    |    Off    |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |    4MB    |     On     |    Off    |    On     |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    6MB    |     On     |    Off    |    Off    |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    8MB    |    Off     |    Off    |    Off    |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |       Size       |         W4         |         W6         |
   |------------------+--------------------+--------------------|
   |       1MB        | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |       2MB        | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |       2MB        | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |       4MB        | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |       6MB        | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |       8MB        | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |            Bank 3             |
   |----------------------------+-------------------------------|
   |            64KB            |          (9) 64K x 1          |
   |------------------------------------------------------------|
   | Notes:Cache location & chip sizes are unidentified.        |
   +------------------------------------------------------------+