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

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Reset switch               P1       Power LED & keylock          P5

  Speaker                    P2       External battery             P8

  Turbo switch               P3       32-bit external memory      SL1
                                      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 alter        JP6           pins 1 & 2
                                                              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 9       NONE           NONE           NONE

     2MB        (4) 256K x 9   (4) 256K x 9       NONE           NONE

     4MB        (4) 1M x 9         NONE           NONE           NONE

     5MB        (4) 256K x 9    (4) 1M x 9        NONE           NONE

     6MB        (4) 256K x 9   (4) 256K x 9    (4) 1M x 9        NONE

     8MB        (4) 1M x 9      (4) 1M x 9        NONE           NONE

     9MB        (4) 256K x 9    (4) 1M x 9     (4) 1M x 9        NONE

     10MB       (4) 256K x 9   (4) 256K x 9    (4) 1M x 9     (4) 1M x 9

     12MB       (4) 1M x 9      (4) 1M x 9     (4) 1M x 9        NONE

     13MB       (4) 256K x 9    (4) 1M x 9     (4) 1M x 9     (4) 1M x 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