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       # HAWK COMPUTERS
       
          486 CACHE VER. 1
       
          Processor         80486DX                                      
          Processor Speed   25/33MHz                                     
          Chip Set          Hawk                                         
          Max. Onboard DRAM 8MB                                          
          Cache             64/128/256/512KB (on external cache card)    
          BIOS              AMI                                          
          Dimensions        330mm x 218mm                                
          I/O Options       32-bit external memory card slot, 32-bit     
                            external cache card slot                     
          NPU Options       4167                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | External battery |    J1    | Turbo LED         |   J91    |
          |------------------+----------+-------------------+----------|
          | Turbo switch     |   J25    | External cache    |    S2    |
          |                  |          | card              |          |
          |------------------+----------+-------------------+----------|
          | Speaker          |   J26    | External memory   |    S8    |
          |                  |          | card              |          |
          |------------------+----------+-------------------+----------|
          | Power LED &      |   J27    | Reset switch      |   SW1    |
          | keylock          |          |                   |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP1   | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  JP2   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP2   |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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    |
          |-------+-------------+------------+------------+------------|
          |  9MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 256K x |    NONE    |
          |       |             |            |     9      |            |
          |-------+-------------+------------+------------+------------|
          | 10MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 256K x | (4) 256K x |
          |       |             |            |     9      |     9      |
          |-------+-------------+------------+------------+------------|
          | 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 |
          |------------------------------------------------------------|
          | Note: Banks 2 & 3 are used when an external memory card is |
          | installed.                                                 |
          |                                                            |
          | Jumpers 1 - 8 on card should each have pins 2 & 3 closed   |
          | at all times.                                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |      Setting       |        JP5        |        JP6        |
          |--------------------+-------------------+-------------------|
          |      Enabled       |       Open        |       Open        |
          |--------------------+-------------------+-------------------|
          |      Disabled      |      Closed       |      Closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          EXTERNAL CACHE CARD JUMPER CONFIGURATION          |
          |------------------------------------------------------------|
          | Size  |    J1     |  J2   |   J3   |   J4   | J5  |   J6   |
          |-------+-----------+-------+--------+--------+-----+--------|
          | 64KB  |   Open    | 1 & 2 | Closed | Closed | 1 & | Closed |
          |       |           |       |        |        |  2  |        |
          |-------+-----------+-------+--------+--------+-----+--------|
          | 128KB |   Open    | 2 & 3 | Closed |  Open  | 1 & | Closed |
          |       |           |       |        |        |  2  |        |
          |-------+-----------+-------+--------+--------+-----+--------|
          | 256KB |  Closed   | 2 & 3 |  Open  | Closed | 2 & | Closed |
          |       |           |       |        |        |  3  |        |
          |-------+-----------+-------+--------+--------+-----+--------|
          | 512KB |  Closed   | 2 & 3 |  Open  |  Open  | 2 & |  Open  |
          |       |           |       |        |        |  3  |        |
          |------------------------------------------------------------|
          | Note: Proprietary external cache card fits in expansion    |
          | slot S2 only. Pins designated should be in the closed      |
          | position.                                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |       Size       |        JP3         |        JP4         |
          |------------------+--------------------+--------------------|
          |      25MHz       | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      33MHz       | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+