UNITRON COMPUTER, INC.
======================

   MINI-386SX/AT

   Processor             80386SX                                  
   Processor Speed       25MHz                                    
   Chip Set              Headland                                 
   Max. Onboard DRAM     8MB                                      
   Cache                 None                                     
   BIOS                  Phoenix                                  
   Dimensions            220mm x 220mm                            
   I/O Options           None                                     
   NPU Options           80387SX                                  

<gopher://bitreich.org/I/th99/m/U-Z/30827-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |    J2    | Turbo LED         |   J24    |
   |------------------+----------+-------------------+----------|
   | Turbo switch     |   J19    | Speaker           |   J25    |
   |------------------+----------+-------------------+----------|
   | Reset switch     |   J23    | Power LED &       |   J26    |
   |                  |          | keylock           |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper  | Position  |
   |--------------------------------------+---------+-----------|
   |>> | Monitor type select monochrome   |   J4    |   Open    |
   |---+----------------------------------+---------+-----------|
   |   | Monitor type select color        |   J4    |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  | Interleave | Bank 0  | Bank 1  | Bank 2  | Bank 3  |
   |-------+------------+---------+---------+---------+---------|
   | 512KB |     0      |   (2)   |  NONE   |  NONE   |  NONE   |
   |       |            | 256K x  |         |         |         |
   |       |            |    9    |         |         |         |
   |-------+------------+---------+---------+---------+---------|
   |  1MB  |     2      |   (2)   |   (2)   |  NONE   |  NONE   |
   |       |            | 256K x  | 256K x  |         |         |
   |       |            |    9    |    9    |         |         |
   |-------+------------+---------+---------+---------+---------|
   |  2MB  |     4      |   (2)   |   (2)   |   (2)   |   (2)   |
   |       |            | 256K x  | 256K x  | 256K x  | 256K x  |
   |       |            |    9    |    9    |    9    |    9    |
   |-------+------------+---------+---------+---------+---------|
   |  2MB  |     0      | (2) 1M  |  NONE   |  NONE   |  NONE   |
   |       |            |   x 9   |         |         |         |
   |-------+------------+---------+---------+---------+---------|
   |  3MB  |     0      |   (2)   |   (2)   | (2) 1M  |  NONE   |
   |       |            | 256K x  | 256K x  |   x 9   |         |
   |       |            |    9    |    9    |         |         |
   |-------+------------+---------+---------+---------+---------|
   |  4MB  |     2      | (2) 1M  | (2) 1M  |  NONE   |  NONE   |
   |       |            |   x 9   |   x 9   |         |         |
   |-------+------------+---------+---------+---------+---------|
   |  5MB  |     2      |   (2)   |   (2)   | (2) 1M  | (2) 1M  |
   |       |            | 256K x  | 256K x  |   x 9   |   x 9   |
   |       |            |    9    |    9    |         |         |
   |-------+------------+---------+---------+---------+---------|
   |  6MB  |     0      | (2) 1M  | (2) 1M  | (2) 1M  |  NONE   |
   |       |            |   x 9   |   x 9   |   x 9   |         |
   |-------+------------+---------+---------+---------+---------|
   |  8MB  |     4      | (2) 1M  | (2) 1M  | (2) 1M  | (2) 1M  |
   |       |            |   x 9   |   x 9   |   x 9   |   x 9   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     NPU CONFIGURATION                      |
   |------------------------------------------------------------|
   |       Size       |        J20         |        J21         |
   |------------------+--------------------+--------------------|
   |   Synchronous    | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |   Asynchronous   |        Open        |       Closed       |
   +------------------------------------------------------------+