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

   EXP8051

   Device Type           Mainboard                                
   Processor             Pentium                                  
   Processor Speed       50/60/66MHz                              
   Chip Set              Unidentified                             
   Video Chip Set        None                                     
   Maximum Onboard       128MB                                    
   Memory                
   Maximum Video Memory  None                                     
   Cache                 256/512/1024KB                           
   BIOS                  Award, Phoenix                           
   Dimensions            254mm x 218mm                            
   I/O Options           32-bit PCI slots (4), green PC connector 

<gopher://bitreich.org/I/th99/m/C-D/35701-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose              | Location | Purpose       | Location |
   |----------------------+----------+---------------+----------|
   | External battery     |   JP5    | Reset switch  |   JP16   |
   |----------------------+----------+---------------+----------|
   | Peripheral power     |   JP12   | Speaker       |   JP17   |
   | connector            |          |               |          |
   |----------------------+----------+---------------+----------|
   | Green PC connector   |   JP13   | Power LED &   |   JP18   |
   |                      |          | keylock       |          |
   |----------------------+----------+---------------+----------|
   | Front panel          |   JP14   | 32-bit PCI    |  PC1 -   |
   | connector            |          | slots         |   PC4    |
   |----------------------+----------+---------------+----------|
   | Front panel          |   JP15   |               |          |
   | connector            |          |               |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | Factory configured - do not alter |  JP1  |    Open    |
   |---+-----------------------------------+-------+------------|
   |>> | Battery type select external      |  JP2  |    Open    |
   |---+-----------------------------------+-------+------------|
   |   | Battery type select internal      |  JP2  |   Closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Power supply from board           |  JP3  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Power supply from LM 393          |  JP3  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | BIOS type select EPROM            |  JP4  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | BIOS type select flash            |  JP4  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Normal operation                  |  JP6  |    Open    |
   |---+-----------------------------------+-------+------------|
   |   | Delay ADS#                        |  JP6  |   Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       2MB        |   (2) 256K x 36    |        None        |
   |------------------+--------------------+--------------------|
   |       4MB        |   (2) 512K x 36    |        None        |
   |------------------+--------------------+--------------------|
   |       4MB        |   (2) 256K x 36    |   (2) 256K x 36    |
   |------------------+--------------------+--------------------|
   |       6MB        |   (2) 512K x 36    |   (2) 256K x 36    |
   |------------------+--------------------+--------------------|
   |       8MB        |    (2) 1M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       8MB        |   (2) 512K x 36    |   (2) 512K x 36    |
   |------------------+--------------------+--------------------|
   |       10MB       |    (2) 1M x 36     |   (2) 256K x 36    |
   |------------------+--------------------+--------------------|
   |       12MB       |   (2) 512K x 36    |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 2M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 1M x 36     |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       18MB       |    (2) 2M x 36     |   (2) 256K x 36    |
   |------------------+--------------------+--------------------|
   |       20MB       |   (2) 512K x 36    |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       24MB       |    (2) 2M x 36     |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 4M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 2M x 36     |    (2) 2M x 36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SIMM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       34MB       |    (2) 4M x 36     |   (2) 256K x 36    |
   |------------------+--------------------+--------------------|
   |       36MB       |   (2) 512K x 36    |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       40MB       |    (2) 4M x 36     |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (2) 2M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 8M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 4M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       66MB       |    (2) 8M x 36     |   (2) 256K x 36    |
   |------------------+--------------------+--------------------|
   |       68MB       |   (2) 512K x 36    |    (2) 8M x 36     |
   |------------------+--------------------+--------------------|
   |       72MB       |    (2) 8M x 36     |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       80MB       |    (2) 2M x 36     |    (2) 8M x 36     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (2) 8M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |        TAG         |
   |------------------+--------------------+--------------------|
   |      256KB       |    (8) 32K x 8     |     (1) 8K x 8     |
   |------------------+--------------------+--------------------|
   |      512KB       |    (8) 64K x 8     |    (1) 32K x 8     |
   |------------------+--------------------+--------------------|
   |       1MB        |    (8) 128K x 8    |    (1) 32K x 8     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |     JP7     |    JP8     |    JP9     |    JP10    |
   |-------+-------------+------------+------------+------------|
   | 256KB | Pins 1 & 2  | Pins 1 & 2 | Pins 1 & 2 |    Open    |
   |       |   closed    |   closed   |   closed   |            |
   |-------+-------------+------------+------------+------------|
   | 512KB | Pins 1 & 2  | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   |  1MB  | Pins 2 & 3  | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |           Speed            |             JP11              |
   |----------------------------+-------------------------------|
   |           50MHz            |             Open              |
   |----------------------------+-------------------------------|
   |           60MHz            |       Pins 3 & 4 closed       |
   |----------------------------+-------------------------------|
   |           66MHz            |   Pins 1 & 2, 3 & 4 closed    |
   +------------------------------------------------------------+