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       # OCEAN INFORMATION SYSTEMS, INC.
       
          HIPPO DCA 1 486 REV. 1.0
       
       Processor  80486SX/80487SX/80486DX/80486DX2/80486DX4                     
       Processor  25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz 
       Speed      
       Chip Set   Unidentified                                                  
       Max.       64MB                                                          
       Onboard    
       DRAM       
       Cache      None                                                          
       BIOS       Unidentified                                                  
       Dimensions 330mm x 218mm                                                 
       I/O        32-bit VESA local bus slots (3)                               
       Options    
       NPU        None                                                          
       Options    
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose       | Location | Purpose              | Location |
          |---------------+----------+----------------------+----------|
          | Turbo switch  |    P1    | Turbo LED            |    P5    |
          |---------------+----------+----------------------+----------|
          | Speaker       |    P2    | External battery     |    P8    |
          |---------------+----------+----------------------+----------|
          | Reset switch  |    P3    | Chassis fan power    |    P9    |
          |---------------+----------+----------------------+----------|
          | Power LED &   |    P4    | 32-bit VESA local    |  SL1 -   |
          | keylock       |          | bus slots            |   SL3    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP1   | pins 1 & 2 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP2   |    N/A     |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP3   |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select monochrome   |  JP7   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select CGA/EGA/VGA  |  JP7   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  JP10  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  JP10  | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP11  |    N/A     |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP12  |    N/A     |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP13  | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP14  | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP15  | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP16  | pins 1 & 2 |
          |   | alter                            |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 1M x 36 |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 1M x 36 | (1) 1M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 2M x 36 |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 1M x 36 | (1) 2M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 2M x 36 | (1) 2M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 4M x 36 |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 1M x 36 | (1) 2M x 36 |  (1) 2M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 1M x 36 | (1) 4M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 2M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 2M x 36 | (1) 4M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 28MB | (1) 1M x 36 | (1) 2M x 36 |  (1) 4M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 28MB | (1) 1M x 36 | (1) 2M x 36 |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 4M x 36 | (1) 4M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 2M x 36 | (1) 4M x 36 |  (1) 4M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 56MB | (1) 2M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |   Type   |      JP6       |      JP8       |      JP9      |
          |----------+----------------+----------------+---------------|
          | 80486SX  |   pins 2 & 3   |      Open      |  pins 1 & 2   |
          |          |     closed     |                |    closed     |
          |----------+----------------+----------------+---------------|
          | 80487SX  |   pins 1 & 2   |   pins 1 & 2   |  pins 2 & 3   |
          |          |     closed     |     closed     |    closed     |
          |----------+----------------+----------------+---------------|
          | 80486DX  |   pins 1 & 2   |   pins 2 & 3   |  pins 2 & 3   |
          |          |     closed     |     closed     |    closed     |
          |----------+----------------+----------------+---------------|
          | 80486DX2 |   pins 1 & 2   |   pins 2 & 3   |  pins 2 & 3   |
          |          |     closed     |     closed     |    closed     |
          |----------+----------------+----------------+---------------|
          | 80486DX4 |   pins 1 & 2   |   pins 2 & 3   |  pins 2 & 3   |
          |          |     closed     |     closed     |    closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |      Speed       |        JP4         |        JP5         |
          |------------------+--------------------+--------------------|
          |      25MHz       | pins 2 & 3 closed  | pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |      33MHz       | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      50iMHz      | pins 2 & 3 closed  | pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |      66iMHz      | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      75iMHz      | pins 2 & 3 closed  | pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |     100iMHz      | pins 1 & 2 closed  | pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          CPU SPEED CONFIGURATION (80486DX4 ONLY)           |
          |------------------------------------------------------------|
          |           Speed            |             JP17              |
          |----------------------------+-------------------------------|
          |             2x             |       pins 3 & 4 closed       |
          |----------------------------+-------------------------------|
          |            2.5x            |       pins 5 & 6 closed       |
          |----------------------------+-------------------------------|
          |             3x             |       pins 1 & 2 closed       |
          +------------------------------------------------------------+