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       # OCEAN INFORMATION SYSTEMS, INC.
       
          HIPPO-IV DCA
       
          Processor    80486SX/80487SX/80486DX/80486DX2/Pentium          
                       Overdrive                                         
          Processor    25/33/50(internal)/50/66(internal)MHz             
          Speed        
          Chip Set     Unidentified                                      
          Max. Onboard 128MB                                             
          DRAM         
          Cache        None                                              
          BIOS         Unidentified                                      
          Dimensions   330mm x 218mm                                     
          I/O Options  VGA feature connector                             
          NPU Options  None                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | VGA feature       |   JP4    | Turbo LED        |    P4    |
          | connector         |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    P1    | Power LED &      |    P5    |
          |                   |          | keylock          |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |    P2    | External battery |    P8    |
          |-------------------+----------+------------------+----------|
          | Turbo switch      |    P3    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | On board VGA disabled            |  JP2   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | On board VGA enabled             |  JP2   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select auto detect  |  JP3   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP3   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select color        |  JP3   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select CGA/EGA/VGA  |  JP5   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP5   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  JP6   |    Open    |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  JP6   |   Closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP9   |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP10  |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP11  |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP14  |    Open    |
          |   | alter                            |        |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM 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        |
          |------------------+--------------------+--------------------|
          |       17MB       |     (4) 4M x 9     |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       64MB       |    (4) 16M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       65MB       |    (4) 16M x 9     |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       68MB       |    (4) 16M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       80MB       |    (4) 16M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |      128MB       |    (4) 16M x 9     |    (4) 16M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |      256KB       |    (4) 32K x 8     |    (4) 32K x 8     |
          |------------------+--------------------+--------------------|
          |      512KB       |    (4) 128K x 8    |        NONE        |
          |------------------+--------------------+--------------------|
          |       1MB        |    (4) 128K x 8    |    (4) 128K x 8    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |       Size        |        JP7         |        JP8        |
          |-------------------+--------------------+-------------------|
          |       256KB       |        Open        |       Open        |
          |-------------------+--------------------+-------------------|
          |       512KB       |        Open        |      Closed       |
          |-------------------+--------------------+-------------------|
          |        1MB        |       Closed       |       Open        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |            Type            |              JP1              |
          |----------------------------+-------------------------------|
          |          80486SX           |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |          80487SX           |       pins 3 & 4 closed       |
          |----------------------------+-------------------------------|
          |        80486DX/DX2         |       pins 3 & 4 closed       |
          |----------------------------+-------------------------------|
          |         Overdrive          |       pins 3 & 4 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |      Speed       |        JP12        |        JP13        |
          |------------------+--------------------+--------------------|
          |      25MHz       | pins 2 & 3 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      33MHz       | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |      50iMHz      | pins 2 & 3 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      66iMHz      | pins 1 & 2 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+