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       # UNIDENTIFIED
       
          TURBO 286
       
          Processor         80286                                        
          Processor Speed   6/10/12MHz                                   
          Chip Set          Unidentified                                 
          Max. Onboard DRAM 1MB                                          
          Cache             None                                         
          BIOS              Unidentified                                 
          Dimensions        383mm x 328mm                                
          I/O Options       None                                         
          NPU Options       None                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | Reset switch     |   J18    | Power LED &       |   J24    |
          |                  |          | keylock           |          |
          |------------------+----------+-------------------+----------|
          | External battery |   J22    | Speaker           |   J25    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          |   | Monitor type select color      |  J23   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |  J23   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |      640KB       |     (18) 41256     |     (18) 4164      |
          |------------------+--------------------+--------------------|
          |       1MB        |     (18) 41256     |     (18) 41256     |
          |------------------------------------------------------------|
          | Note: The exact location of Bank 0 and Bank 1 are          |
          | unidentified.                                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |            Size            |              J26              |
          |----------------------------+-------------------------------|
          |           640KB            |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            1MB             |       pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |       Speed       |        J17         |        J27        |
          |-------------------+--------------------+-------------------|
          |       6Mhz        | pins 2 & 3 closed  |      Closed       |
          |-------------------+--------------------+-------------------|
          |       10Mhz       | pins 1 & 2 closed  |       Open        |
          |-------------------+--------------------+-------------------|
          |       12Mhz       | pins 1 & 2 closed  |       Open        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  WAIT STATE CONFIGURATION                  |
          |------------------------------------------------------------|
          |        Wait states         |              J19              |
          |----------------------------+-------------------------------|
          |       0 wait states        |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |        1 wait state        |       pins 1 & 2 closed       |
          +------------------------------------------------------------+