
UNIDENTIFIED

UNI-486WB

Processor        80486SX/80486DX/80486DX2
Processor Speed  25/33/50(internal)/50/66(internal)MHz
Chip Set         UNI
Max. Onboard DRAM32MB
Cache            32/64/128/256KB
BIOS             AMI
Dimensions       230mm x 218mm
I/O Options      None
NPU Options      4167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Power LED & keylock         J1       Turbo switch                J4

  Speaker                     J2       Reset switch                J5

  Turbo LED                   J3       External battery            J6

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Turbo mode disabled                      J4              Open

      Turbo mode enabled                       J4             Closed

     Battery type select internal             J6           pins 2 & 3
                                                              closed

      Battery type select external             J6        pins 1, 2, 3 & 4
                                                              closed

     Normal A20 enabled                      JP3           pins 2 & 3
                                                              closed

      Fast A20 enabled                        JP3           pins 1 & 2
                                                              closed

     Monitor type select monochrome          JP13             Open

      Monitor type select color               JP13            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) 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

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     32KB        (4) 8K x 8        NONE       (1) 8K x 8

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     128KB      (4) 32K x 8        NONE       (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

    Size          JP4            JP5            JP6             JP7

    32KB          Open           Open           Open         pins 1 & 2
                                                               closed

    64KB         Closed          Open           Open         pins 2 & 3
                                                               closed

   128KB         Closed          Open          Closed        pins 2 & 3
                                                               closed

   256KB         Closed         Closed         Closed        pins 2 & 3
                                                               closed

                 CACHE JUMPER CONFIGURATION

   Size       JP8       JP9       JP10      JP11      JP12

   32KB      Open      1 & 2     2 & 3     2 & 3     2 & 3

   64KB      Open      2 & 3     1 & 2     2 & 3     2 & 3

  128KB      1 & 2     2 & 3     2 & 3     1 & 2     2 & 3

  256KB      2 & 3     2 & 3     2 & 3     2 & 3     1 & 2

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

           Type                      JP1                     JP2

          80486SX                    Open             pins 2 & 3 closed

        80486DX/DX2           pins 1 & 2 closed       pins 1 & 2, 3 & 4
                                                           closed

