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       # HAWK COMPUTERS
       
          486 CACHE VER. 3
       
          Processor             80486SX/80487SX/80486DX                  
          Processor Speed       25/33MHz                                 
          Chip Set              OPTI                                     
          Max. Onboard DRAM     32MB                                     
          Cache                 64/128/256/512KB                         
          BIOS                  AMI                                      
          Dimensions            355mm x 304mm                            
          I/O Options           None                                     
          NPU Options           4167                                     
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | External battery |    J1    | Power LED &       |   J27    |
          |                  |          | keylock           |          |
          |------------------+----------+-------------------+----------|
          | Turbo switch     |   J25    | Turbo LED         |   J91    |
          |------------------+----------+-------------------+----------|
          | Speaker          |   J26    | Reset switch      |   SW1    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP1   | pins 1 & 2 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  JP2   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP2   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP3   | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP4   | pins 1 & 2 |
          |   | alter                            |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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) 1M x 9  |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 12MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 16MB | (4) 4M x 9  |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 32MB | (4) 4M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   | TAG (U830) | TAG (U832) |
          |-------+-------------+------------+------------+------------|
          | 64KB  | (8) 8K x 8  |    NONE    | (1) 8K x 8 | (1) 16K x  |
          |       |             |            |            |     1      |
          |-------+-------------+------------+------------+------------|
          | 128KB | (8) 8K x 8  | (8) 8K x 8 | (1) 8K x 8 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 256KB | (8) 32K x 8 |    NONE    | (1) 32K x  |    NONE    |
          |       |             |            |     8      |            |
          |-------+-------------+------------+------------+------------|
          | 512KB | (8) 32K x 8 | (8) 32K x  | (1) 32K x  |    NONE    |
          |       |             |     8      |     8      |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size  |  JC1   |  JC2   |  JC3   |  JC4   |  JC5  |  JC6  |
          |--------+--------+--------+--------+--------+-------+-------|
          |  64KB  |  Open  | 1 & 2  | Closed | Closed | 1 & 2 | 1 & 2 |
          |--------+--------+--------+--------+--------+-------+-------|
          | 128KB  |  Open  | 2 & 3  | Closed |  Open  | 1 & 2 | 1 & 2 |
          |--------+--------+--------+--------+--------+-------+-------|
          | 256KB  | Closed | 2 & 3  |  Open  | Closed | 2 & 3 | 1 & 2 |
          |--------+--------+--------+--------+--------+-------+-------|
          | 512KB  | Closed | 2 & 3  |  Open  |  Open  | 2 & 3 | 2 & 3 |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |   Type   |   JM1   |        JM2        |        JM3        |
          |----------+---------+-------------------+-------------------|
          | 80486SX  |  Open   | pins 2 & 3 closed | pins 2 & 3 closed |
          |----------+---------+-------------------+-------------------|
          | 80487SX  | Closed  | pins 1 & 2 closed | pins 2 & 3 closed |
          |----------+---------+-------------------+-------------------|
          | 80486DX  | Closed  | pins 1 & 2 closed | pins 1 & 2 closed |
          +------------------------------------------------------------+