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       # UNIDENTIFIED
       
          CORRADO386
       
          Processor             80386DX                                  
          Processor Speed       16/20MHz                                 
          Chip Set              Unknown                                  
          Max. Onboard DRAM     8MB                                      
          Cache                 None                                     
          BIOS                  AMI/Award/Phoenix                        
          Dimensions            330mm x 218mm                            
          I/O Options           32-bit external memory card slot         
          NPU Options           80287/80387                              
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | External battery  |    J2    | Turbo switch     |    J7    |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    J4    | Turbo LED        |    J8    |
          |-------------------+----------+------------------+----------|
          | Speaker           |    J5    | 32-bit external  |    S1    |
          |                   |          | memory card      |          |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    J6    |                  |          |
          | keylock           |          |                  |          |
          |------------------------------------------------------------|
          | Note:Locations of CPU, NPUs, chipset chips, BIOS, and      |
          | keyboard BIOS are unidentified.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | ยป | Monitor type select color      |  JP1   |    Closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |  JP1   |     Open     |
          |---+--------------------------------+--------+--------------|
          |   | BIOS type select 27256         |  JP6   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | BIOS type select 27128         |  JP6   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |------------------------------------------------------------|
          | Note:Locations of JP4 & JP5 are unidentified.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |   Bank 0    |   Bank 1    |  Bank 2   |  Bank 3   |
          |--------+-------------+-------------+-----------+-----------|
          |  1MB   | (4) 256K x  |    NONE     |   NONE    |   NONE    |
          |        |      9      |             |           |           |
          |--------+-------------+-------------+-----------+-----------|
          |  2MB   | (4) 256K x  | (4) 256K x  |   NONE    |   NONE    |
          |        |      9      |      9      |           |           |
          |--------+-------------+-------------+-----------+-----------|
          |  4MB   | (4) 256K x  | (4) 256K x  | (4) 256K  | (4) 256K  |
          |        |      9      |      9      |    x 9    |    x 9    |
          |--------+-------------+-------------+-----------+-----------|
          |  4MB   | (4) 1M x 9  |    NONE     |   NONE    |   NONE    |
          |--------+-------------+-------------+-----------+-----------|
          |  8MB   | (4) 1M x 9  | (4) 1M x 9  |   NONE    |   NONE    |
          |--------+-------------+-------------+-----------+-----------|
          |  16MB  | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x  | (4) 1M x  |
          |        |             |             |     9     |     9     |
          |------------------------------------------------------------|
          | Note:Banks 2 & 3 are used when proprietary external memory |
          | card is installed at S1.                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   NPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |      Size       |  JP2   |      JP4       |      JP5       |
          |-----------------+--------+----------------+----------------|
          |      80287      | Closed |   pins 1 & 2   |      Open      |
          |                 |        |     closed     |                |
          |-----------------+--------+----------------+----------------|
          |      80387      |  Open  |   pins 3 & 4   |   pins 1 & 2   |
          |  (synchronous)  |        |     closed     |     closed     |
          |-----------------+--------+----------------+----------------|
          |      80387      |  Open  |   pins 3 & 4   |   pins 2 & 3   |
          | (asynchronous)  |        |     closed     |     closed     |
          |------------------------------------------------------------|
          | Note:The locations of JP4 & JP5 are unidentified.          |
          +------------------------------------------------------------+