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       # OCEAN INFORMATION SYSTEMS, INC.
       
          HIPPO DCA2 486
       
       Processor  80486SX/SL80486SX/80487SX/CX486DX/80486DX/SL80486DX/          
                  CX486DX2/AM486DX2/80486DX2/SL80486DX2/80486DX4/P24T           
       Processor  25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz 
       Speed      
       Chip Set   Unidentified                                                  
       Video Chip None                                                          
       Set        
       Maximum    96MB                                                          
       Onboard    
       Memory     
       Maximum    None                                                          
       Video      
       Memory     
       Cache      None                                                          
       BIOS       AMI/MR                                                        
       Dimensions 279mm x 215mm                                                 
       I/O        32-bit VESA local bus slots (3)                               
       Options    
       NPU        None                                                          
       Options    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose       | Location | Purpose              | Location |
          |---------------+----------+----------------------+----------|
          | Chassis fan   |   JP2    | Speaker              |    P4    |
          | power         |          |                      |          |
          |---------------+----------+----------------------+----------|
          | Reset switch  |    P1    | Power LED & keylock  |    P5    |
          |---------------+----------+----------------------+----------|
          | Turbo switch  |    P2    | External battery     |    P8    |
          |---------------+----------+----------------------+----------|
          | Turbo LED     |    P3    | 32-bit VESA local    |  SL1 -   |
          |               |          | bus slots            |   SL3    |
          |------------------------------------------------------------|
          | Note: JP2 may not be present.                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | Fan voltage select 12v            |  JP1  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Fan voltage select 5v             |  JP1  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use (CPU      |  JP5  | Pins 1 & 2 |
          |   | signal reset source)              |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use (SL CPU   | JP13  | Pins 2 & 3 |
          |   | select)                           |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use (CPU      | JP16  |    Open    |
          |   | multiplier 2.5x)                  |       |            |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use (CPU      | JP17  |    Open    |
          |   | multiplier 2x)                    |       |            |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use (EPMI)    | JP18  |    Open    |
          |---+-----------------------------------+-------+------------|
          | » | CMOS memory normal operation      | JP19  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | CMOS memory clear                 | JP19  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Power good signal detect from     | JP20  | Pins 1 & 2 |
          |   | power supply                      |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Power good signal detect from     | JP20  | Pins 2 & 3 |
          |   | board                             |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Monitor type select color         | JP21  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Monitor type select monochrome    | JP21  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use (Cyrix    | JP22  |    Open    |
          |   | voltage select 3.3v)              |       |            |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use (Cyrix    | JP23  |    Open    |
          |   | voltage select 3.6v)              |       |            |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use (Cyrix    | JP24  |    Open    |
          |   | voltage select 3.8v)              |       |            |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use (Cyrix    | JP25  |    Open    |
          |   | voltage select 4v)                |       |            |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use           | JP26  | Pins 1 & 2 |
          |   | (Intel/AMD CLKMUL)                |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use           | JP27  |   Closed   |
          |   | (Intel/AMD voltage 3.45v/5v)      |       |            |
          |---+-----------------------------------+-------+------------|
          | » | Reserved for future use (force    | JP28  |    Open    |
          |   | voltage to 5v)                    |       |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 1M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (1) 1M x 36 |    None     | (1) 512K x |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 1M x 36 |    None     | (1) 512K x | (1) 512K x |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 1M x 36 | (1) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 2M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 1M x 36 |    None     |  (1) 2M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 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    |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 2M x 36 |    None     |  (1) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 2M x  |    None    |
          |      |             |             |     36     |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 2M x 36 |    None     |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 2M x 36 |    None     |  (1) 2M x  |    None    |
          |      |             |             |     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 |    None     |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 1M x 36 | (1) 2M x 36 |  (1) 2M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 2M x 36 |    None     |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 2M x 36 |    None     |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 2M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 4M x 36 |    None     |  (1) 2M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 28MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 4M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 28MB | (1) 2M x 36 |    None     |  (1) 4M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 4M x 36 |    None     |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 4M x 36 |    None     |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 4M x 36 | (1) 4M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 8M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 2M x 36 |    None     |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 2M x 36 |    None     |  (1) 8M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 8M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 4M x 36 |    None     |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 4M x 36 |    None     |  (1) 8M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 8M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 72MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 8M x  |  (1) 8M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 72MB | (1) 2M x 36 |    None     |  (1) 8M x  |  (1) 8M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 80MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 8M x  |  (1) 8M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 80MB | (1) 4M x 36 |    None     |  (1) 8M x  |  (1) 8M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 96MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 8M x  |  (1) 8M x  |
          |      |             |             |     36     |     36     |
          |------------------------------------------------------------|
          | Note: Banks 0 & 1 only accept Dynamicache modules.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          |      Speed       |        JP3         |        JP4         |
          |------------------+--------------------+--------------------|
          |      25MHz       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      33MHz       | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |      50iMHz      | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      66iMHz      | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |      75iMHz      | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |     100iMHz      | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     CPU TYPE SELECTION                     |
          |------------------------------------------------------------|
          |    Type    | JP6  |  JP7  |  JP8  |  JP10  | JP14  | JP15  |
          |------------+------+-------+-------+--------+-------+-------|
          |  80486SX   | Open | Open  | Open  | 2 & 3  | 2 & 3 | 2 & 3 |
          |------------+------+-------+-------+--------+-------+-------|
          | SL80486SX  | Open | Open  | Open  | 2 & 3  | 2 & 3 | 2 & 3 |
          |------------+------+-------+-------+--------+-------+-------|
          |  80487SX   | Open | Open  | 2 & 3 | 1 & 2, | 2 & 3 | 2 & 3 |
          |            |      |       |       | 3 & 4  |       |       |
          |------------+------+-------+-------+--------+-------+-------|
          |  CX486DX   | Open | 2 & 3 | 1 & 2 | 1 & 2, | 2 & 3 | 2 & 3 |
          |            |      |       |       | 3 & 4  |       |       |
          |------------+------+-------+-------+--------+-------+-------|
          |  80486DX   | Open | Open  | 1 & 2 | 1 & 2, | 2 & 3 | 2 & 3 |
          |            |      |       |       | 3 & 4  |       |       |
          |------------+------+-------+-------+--------+-------+-------|
          | SL80486DX  | Open | Open  | 1 & 2 | 1 & 2, | 2 & 3 | 2 & 3 |
          |            |      |       |       | 3 & 4  |       |       |
          |------------+------+-------+-------+--------+-------+-------|
          |  CX486DX2  | Open | 1 & 2 | 1 & 2 | 1 & 2, | 2 & 3 | 2 & 3 |
          |            |      |       |       | 3 & 4  |       |       |
          |------------+------+-------+-------+--------+-------+-------|
          |  AM486DX2  | Open | Open  | 1 & 2 | 1 & 2, | 2 & 3 | 2 & 3 |
          |            |      |       |       | 3 & 4  |       |       |
          |------------+------+-------+-------+--------+-------+-------|
          |  80486DX2  | Open | Open  | 1 & 2 | 1 & 2, | 2 & 3 | 2 & 3 |
          |            |      |       |       | 3 & 4  |       |       |
          |------------+------+-------+-------+--------+-------+-------|
          | SL80486DX2 | Open | Open  | 1 & 2 | 1 & 2, | 2 & 3 | 2 & 3 |
          |            |      |       |       | 3 & 4  |       |       |
          |------------+------+-------+-------+--------+-------+-------|
          |  80486DX4  | Open | Open  | 1 & 2 | 1 & 2, | 2 & 3 | 2 & 3 |
          |            |      |       |       | 3 & 4  |       |       |
          |------------+------+-------+-------+--------+-------+-------|
          |    P24T    | Open | Open  | 1 & 2 | 1 & 2, | 2 & 3 | 2 & 3 |
          |            |      |       |       | 3 & 4  |       |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                VL BUS WAIT STATE SELECTION                 |
          |------------------------------------------------------------|
          |          Setting           |             JP12              |
          |----------------------------+-------------------------------|
          |    |           0           |       Pins 2 & 3 closed       |
          |----+-----------------------+-------------------------------|
          | »  |           1           |       Pins 1 & 2 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   VL BUS SPEED SELECTION                   |
          |------------------------------------------------------------|
          |          Setting           |             JP11              |
          |----------------------------+-------------------------------|
          | » |        <= 33MHz        |       Pins 2 & 3 closed       |
          |---+------------------------+-------------------------------|
          |   |        >33 MHz         |       Pins 1 & 2 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      VL BUS SELECTION                      |
          |------------------------------------------------------------|
          |      Setting       |        JP9        |        JW1        |
          |--------------------+-------------------+-------------------|
          | » |  Synchronous   |       Open        | Pins 2 & 3 closed |
          |---+----------------+-------------------+-------------------|
          |   | Nonsynchronous | Pins 2 & 3 closed | Pins 1 & 2 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                MISCELLANEOUS TECHNICAL NOTE                |
          |------------------------------------------------------------|
          | The location of pin 1 on all jumpers is unidentified.      |
          +------------------------------------------------------------+