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    

<gopher://bitreich.org/I/th99/m/M-O/32483-1.png>
   

   +------------------------------------------------------------+
   |                        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       |
   +------------------------------------------------------------+