OCEAN INFORMATION SYSTEMS, INC.

HIPPO IV 486

Processor        80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed  25/33/50(internal)/66(internal)MHz
Chip Set         Unidentified
Max. Onboard DRAM128MB
Cache            None
BIOS             Unidentified
Dimensions       330mm x 218mm
I/O Options      32-bit VESA local bus slot (location unidentified)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  VGA feature connector        JP4      Turbo switch               P4

  Reset switch                 P1       Power LED & keylock        P5

  Speaker                      P2       External battery           P8

  Turbo LED                    P3

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   On board VGA disabled                    JP2           pins 1 & 2
                                                              closed

      On board VGA enabled                     JP2           pins 2 & 3
                                                              closed

  »   Video type select auto detect            JP3           pins 1 & 2
                                                              closed

      Video type select monochrome             JP3           pins 2 & 3
                                                              closed

      Video type select color                  JP3             Open

  »   Monitor type select CGA/EGA/VGA          JP5            Closed

      Monitor type select monochrome           JP5             Open

  »   CMOS memory normal operation             JP6             Open

      CMOS memory clear                        JP6            Closed

  »   Factory configured - do not alter        JP9              N/A

  »   Factory configured - do not alter       JP10              N/A

  »   Factory configured - do not alter       JP11              N/A

  »   Factory configured - do not alter       JP14              N/A

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      5MB         (4) 1M x 9     (4) 256K x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      17MB        (4) 256K x 9    (4) 4M x 9

      17MB        (4) 4M x 9     (4) 256K x 9

      20MB        (4) 1M x 9      (4) 4M x 9

      20MB        (4) 4M x 9      (4) 1M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

      64MB        (4) 16M x 9        NONE

      65MB        (4) 256K x 9   (4) 16M x 9

      65MB        (4) 16M x 9    (4) 256K x 9

      68MB        (4) 1M x 9     (4) 16M x 9

      68MB        (4) 16M x 9     (4) 1M x 9

      80MB        (4) 4M x 9     (4) 16M x 9

      80MB        (4) 16M x 9     (4) 4M x 9

     128MB        (4) 16M x 9    (4) 16M x 9

          CPU TYPE CONFIGURATION

        Type                  JP1

       80486SX         pins 1 & 2 closed

       80487SX         pins 3 & 4 closed

       80486DX         pins 3 & 4 closed

      80486DX2         pins 3 & 4 closed

  Pentium Overdrive    pins 3 & 4 closed

                   CPU SPEED CONFIGURATION

        Speed                JP12                 JP13

        25MHz          pins 2 & 3 closed   pins 1 & 2 closed

        33MHz          pins 1 & 2 closed   pins 2 & 3 closed

       50iMHz          pins 2 & 3 closed   pins 1 & 2 closed

       66iMHz          pins 1 & 2 closed   pins 2 & 3 closed

       VIDEO MEMORY CONFIGURATION

     Size        Bank 0        Bank 1

    256KB       (4) 41256       NONE

    512KB       (4) 41256    (4) 41256

     1MB        (4) 411000      NONE

  VIDEO JUMPER CONFIGURATION

   Size      JP7        JP8

  256KB      Open      Open

  512KB      Open     Closed

   1MB      Closed     Open