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       # OCEAN INFORMATION SYSTEMS, INC.
       
          HIPPO III 486
       
          Processor         80486SX/80487SX/80486DX                      
          Processor Speed   20/25/33/40/50(internal)MHz                  
          Chip Set          OPTI                                         
          Max. Onboard DRAM 64MB (32MB on memory board)                  
          Cache             64/256KB                                     
          BIOS              AMI                                          
          Dimensions        330mm x 218mm                                
          I/O Options       32-bit external memory card                  
          NPU Options       4167                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose      | Location | Purpose               | Location |
          |--------------+----------+-----------------------+----------|
          | Reset switch |    P1    | Power LED & keylock   |    P5    |
          |--------------+----------+-----------------------+----------|
          | Speaker      |    P2    | External battery      |    P8    |
          |--------------+----------+-----------------------+----------|
          | Turbo switch |    P3    | 32-bit external       |   SL1    |
          |              |          | memory card           |          |
          |--------------+----------+-----------------------+----------|
          | Turbo LED    |    P4    |                       |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | I/O bus speed select /4          |  JP5   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | I/O bus speed select /6          |  JP5   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP6   | pins 1 & 2 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select monochrome   |  JP9   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select CGA/EGA/VGA  |  JP9   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  JP10  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  JP10  | pins 2 & 3 |
          |   |                                  |        |   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    |
          |------+-------------+-------------+------------+------------|
          | 5MB  | (4) 256K x  | (4) 1M x 9  |    NONE    |    NONE    |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (4) 256K x  | (4) 256K x  | (4) 1M x 9 |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 9MB  | (4) 256K x  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 10MB | (4) 256K x  | (4) 256K x  | (4) 1M x 9 | (4) 1M x 9 |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 12MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 13MB | (4) 256K x  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 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    |
          |------+-------------+-------------+------------+------------|
          | 20MB | (4) 4M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 20MB | (4) 1M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (4) 1M x 9  | (4) 1M x 9  | (4) 4M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (4) 1M x 9  | (4) 4M x 9  | (4) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (4) 4M x 9  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 28MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 4M x 9 |
          |------+-------------+-------------+------------+------------|
          | 28MB | (4) 1M x 9  | (4) 4M x 9  | (4) 1M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 28MB | (4) 4M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 32MB | (4) 4M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 36MB | (4) 1M x 9  | (4) 4M x 9  | (4) 4M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 36MB | (4) 4M x 9  | (4) 4M x 9  | (4) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 40MB | (4) 1M x 9  | (4) 4M x 9  | (4) 1M x 9 | (4) 4M x 9 |
          |------+-------------+-------------+------------+------------|
          | 40MB | (4) 1M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 40MB | (4) 4M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 4M x 9 |
          |------+-------------+-------------+------------+------------|
          | 40MB | (4) 4M x 9  | (4) 4M x 9  | (4) 1M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 48MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 52MB | (4) 1M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 |
          |------+-------------+-------------+------------+------------|
          | 52MB | (4) 4M x 9  | (4) 1M x 9  | (4) 4M x 9 | (4) 4M x 9 |
          |------+-------------+-------------+------------+------------|
          | 52MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 64MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 |
          |------------------------------------------------------------|
          | Note: Banks 2 & 3 are located on the external memory card. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |   Size    |    Bank 0     | TAG (U21 & 22) |   TAG (U23)   |
          |-----------+---------------+----------------+---------------|
          |   64KB    |  (8) 8K x 8   |  (1) 64K x 1   |  (1) 64K x 1  |
          |-----------+---------------+----------------+---------------|
          |   256KB   |  (8) 32K x 8  |  (1) 64K x 1   |  (1) 64K x 1  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  |       JP2       |       JP7       |      JP8       |
          |-------+-----------------+-----------------+----------------|
          | 64KB  |   pins 2 & 3    |   pins 2 & 3    |   pins 2 & 3   |
          |       |     closed      |     closed      |     closed     |
          |-------+-----------------+-----------------+----------------|
          | 256KB |   pins 1 & 2    |   pins 1 & 2    |   pins 1 & 2   |
          |       |     closed      |     closed      |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |  Type   |      JP1       |      JP3       |      JP4       |
          |---------+----------------+----------------+----------------|
          | 80486SX |      N/A       |   pins 2 & 3   |   pins 2 & 3   |
          |         |                |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          | 80487SX |   pins 1 & 2   |   pins 1 & 2   |   pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          | 80486DX |   pins 2 & 3   |   pins 1 & 2   |   pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          +------------------------------------------------------------+