DATAEXPERT CORPORATION
======================

   OPTI-386WB

   Processor             80386DX                                  
   Processor Speed       33/40MHz                                 
   Chip Set              OPTI                                     
   Max. Onboard DRAM     32MB                                     
   Cache                 32/64/128/256KB                          
   BIOS                  AMI                                      
   Dimensions            330mm x 218mm                            
   I/O Options           None                                     
   NPU Options           80387/3167                               

<gopher://bitreich.org/I/th99/m/C-D/30711-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J1    | Turbo switch     |    J4    |
   | keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J2    | Reset switch     |    J5    |
   |-------------------+----------+------------------+----------|
   | Turbo LED         |    J3    | External battery |   JP10   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Jumper | Position |
   |----------------------------------------+--------+----------|
   |>> | NPU mode select synchronous with   |  JP7   |   Open   |
   |   | CPU                                |        |          |
   |---+------------------------------------+--------+----------|
   |   | NPU mode select asynchronous with  |  JP7   |  Closed  |
   |   | CPU                                |        |          |
   |---+------------------------------------+--------+----------|
   |>> | Bus speed select ATCLK/6           |  JP8   |   Open   |
   |---+------------------------------------+--------+----------|
   |   | Bus speed select ATCLK/8           |  JP8   |  Closed  |
   |---+------------------------------------+--------+----------|
   |>> | Monitor type select color          |  JP9   |  Closed  |
   |---+------------------------------------+--------+----------|
   |   | Monitor type select monochrome     |  JP9   |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |    (4) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       5MB        |    (4) 256K x 9    |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    32KB    |  (4) 8K x 8   |     NONE      |  (3) 4K x 4   |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (3) 4K x 4   |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |     NONE      |  (3) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (3) 16K x 4  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Size  |  JP1   |  JP2   |  JP3   |  JP4  |  JP5  |  JP6   |
   |--------+--------+--------+--------+-------+-------+--------|
   |  32KB  | 2 & 3  | 2 & 3  | 1 & 2  | 1 & 2 | 1 & 2 |  Open  |
   |--------+--------+--------+--------+-------+-------+--------|
   |  64KB  | 1 & 2  | 2 & 3  | 1 & 2  | 1 & 2 | 2 & 3 |  Open  |
   |--------+--------+--------+--------+-------+-------+--------|
   | 128KB  | 1 & 2  | 2 & 3  | 1 & 2  | 2 & 3 | 2 & 3 | Closed |
   |--------+--------+--------+--------+-------+-------+--------|
   | 256KB  | 1 & 2  | 1 & 2  | 2 & 3  | 2 & 3 | 2 & 3 | Closed |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+