U.S. INTEGRATED TECHNOLOGIES, INC.

486 25/33

Processor         80486DX
Processor Speed   25/33/40MHz
Chip Set          Unidentified
Max. Onboard DRAM 32MB
Cache             64/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card slot
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Speaker                    JP8       Reset switch               SW1

  External battery          JP10       32-bit external             S2
                                       memory card

  Power LED & keylock       JP11

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper          Position

  »   Monitor type select color              JP1             Closed

      Monitor type select monochrome         JP1              Open

  »   Speaker type select internal           JP7        pins 1 & 2 closed

      Speaker type select external           JP7        pins 2 & 3 closed

  »   Battery type select internal           JP9        pins 1 & 2 closed

      Battery type select external           JP9        pins 2 & 3 closed

  »   Factory configured - do not            JP31            Closed
      alter

  »   Factory configured - do not            JP32             Open
      alter

  »   Factory configured - do not            JP33            Closed
      alter

  »   Factory configured - do not            JP34            Closed
      alter

  »   Factory configured - do not            JP35            Closed
      alter

  »   Factory configured - do not            JP36            Closed
      alter

  »   Factory configured - do not            JP37            Closed
      alter

  »   Factory configured - do not            JP39       pins 2 & 3 closed
      alter

  »   Factory configured - do not            JP40       pins 1 & 2 closed
      alter

  »   Factory configured - do not            JP41       pins 2 & 3 closed
      alter

  »   Factory configured - do not            JP45       pins 1 & 2, 3 & 4
      alter                                                  closed

  »   Factory configured - do not            JP46       pins 1 & 2, 3 & 4
      alter                                                  closed

  »   Factory configured - do not            JP48             Open
      alter

            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) 1 M 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

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

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

            CACHE CONFIGURATION

     Size          Bank 0          TAG

     64KB        (8) 8K x 8    (2) 16K x 4

     256KB       (8) 32K x 8   (2) 16K x 4

                   CACHE JUMPER CONFIGURATION

   Size        JP4        JP5        JP6       JP20       JP21

   64KB       Open       2 & 3      2 & 3      Open       Open

   256KB     Closed      1 & 2      1 & 2     Closed     Closed

  Note: Pins designated should be in the closed position.

          CPU SPEED CONFIGURATION

  Speed    S1/3     S1/4    S1/5     S1/6

  25MHz     On      Off      Off      Off

  33MHz     On      Off     Open      On

  40MHz    Off       On      Off      On