(TXT) View Source
       
       # FREE COMPUTER TECHNOLOGY, INC.
       
          80486ISA (03-009X-00)
       
          Device Type            Mainboard                               
          Processor              80486SX/80487SX/80486DX                 
          Processor Speed        25/33MHz                                
          Chip Set               OPTI 486WB                              
          Video Chip Set         None                                    
          Maximum Onboard Memory 32MB                                    
          Maximum Video Memory   None                                    
          Cache                  64/256KB                                
          BIOS                   Unidentified                            
          Dimensions             330mm x 218mm                           
          I/O Options            None                                    
          NPU Options            4167                                    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | External battery    |   J11    | Turbo LED      |   JP11   |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |   J20    | Reset switch   |   SW1    |
          |---------------------+----------+----------------+----------|
          | Speaker             |   J21    | Turbo switch   |   SW2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               |  Label  | Position  |
          |--------------------------------------+---------+-----------|
          |   | Monitor type select color        |   JP2   |   Open    |
          |---+----------------------------------+---------+-----------|
          |   | Monitor type select monochrome   |   JP2   |  Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SIMM 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) 1M x 9     |    (4) 256K 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       |        TAG         |
          |------------------+--------------------+--------------------|
          |       64KB       |     (8) 8K x 8     |     (1) 8K x 8     |
          |------------------+--------------------+--------------------|
          |      256KB       |    (8) 32K x 8     |    (1) 32K x 8     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |       Size        |        JP9         |       JP10        |
          |-------------------+--------------------+-------------------|
          |       64KB        |        Open        |       Open        |
          |-------------------+--------------------+-------------------|
          |       256KB       |       Closed       |      Closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     CPU TYPE SELECTION                     |
          |------------------------------------------------------------|
          |   Type   |        JP3        |   JP4   |        JP5        |
          |----------+-------------------+---------+-------------------|
          | 80486SX  |       Open        |  Open   | Pins 2 & 3 closed |
          |----------+-------------------+---------+-------------------|
          | 80487SX  | Pins 1 & 2 closed | Closed  | Pins 1 & 2 closed |
          |----------+-------------------+---------+-------------------|
          | 80486DX  | Pins 2 & 3 closed | Closed  | Pins 1 & 2 closed |
          +------------------------------------------------------------+