
OCEAN INFORMATION SYSTEMS, INC.

HIPPO-IV 80486 (VERSION 1)

Processor          80486SX/80487sx/80486dx/odp486sx/80486dx2
Processor Speed    25/33/50(internal)/66(internal)MHz
Chip Set           Headland
Max. onboard DRAM  32MB
SRAM Cache         None
BIOS               AMI
Dimensions         330mm x 218mm
I/O Options        VGA port
NPU Options        None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  VGA port                   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

     Onboard local bus VGA card               JP2           pins 2 & 3
      enabled                                                 closed

      Onboard local bus VGA card               JP2           pins 1 & 2
      disabled                                                closed

     Monitor type auto-detect                 JP3           pins 1 & 2
                                                              closed

      Monitor type monochrome                  JP3           pins 2 & 3
                                                              closed

      Monitor type color                       JP3             Open

     Display select CGA, EGA, VGA             JP5            Closed

      Display select monochrome                JP5             Open

     CMOS memory normal operation             JP6             Open

      CMOS RAM memory clear                    JP6            Closed

              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

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

      16MB        (4) 4M x 9         NONE

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

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

   VRAM SIZE CONFIGURATION

   Size      JP7      JP8

   256K     Open      Open

   512K     Open     Closed

   1MB      Closed    Open

