ADVANCED INTEGRATION RESEARCH, INC.

486UL

Processor        80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed  20/25/33/50(internal)/50/66(internal)MHz
Chip Set         UMC
Max. Onboard     32MB
DRAM
Cache            64/128/256KB
BIOS             AMI/Phoenix
Dimensions       330mm x 218mm
I/O Options      32-bit external memory card slot, 32-bit VESA local bus
                 slots (3)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           J1        Turbo switch                J6

  Power LED & keylock        J3        Turbo LED                   J7

  Speaker                    J4        32-bit VESA local bus     S1-S3
                                       slots

  Reset switch               J5        32-bit external            JME1
                                       memory card

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Keyboard BIOS speed select 8MHz          JO8           pins 1 & 2
                                                              closed

      Keyboard BIOS speed select from          JO8           pins 2 & 3
      CPU speed                                               closed

  »   CMOS memory normal operation             JP4           pins 1 & 2
                                                              closed

      CMOS memory clear                        JP4           pins 2 & 3
                                                              closed

  »   Battery type select internal             JP8            Closed

      Battery type select external             JP8             Open

  »   Monitor type select color               JP10            Closed

      Monitor type select monochrome          JP10             Open

              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) 1M x 9     (4) 256K 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

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

            CACHE CONFIGURATION

     Size          Bank 0        Bank 1

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

     128KB       (4) 32K x 8      NONE

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

                  CACHE JUMPER CONFIGURATION

  Size     JP13     JP14     JP16     JP17     JP18    JP19

  64KB     1 & 2   1 & 2    1 & 2    1 & 2    1 & 2    1 & 2

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

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

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

        Type                JP1                JP2               JP3

      80486SX              Open             pins 2 & 3          Open
                                             closed

      ODP486SX           pins 2 & 3      pins 1 & 2, 3 &        Open
                          closed            4 closed

      80487SX            pins 2 & 3      pins 1 & 2, 3 &        Open
                          closed            4 closed

      80486DX            pins 1 & 2      pins 1 & 2, 3 &        Open
                          closed            4 closed

      80486DX2           pins 1 & 2      pins 1 & 2, 3 &        Open
                          closed            4 closed

                     CPU SPEED CONFIGURATION

   Speed       JO3        JO4        JO5        JO6       JP23

   20MHz     Closed     Closed     Closed      Open       Open

   25MHz     Closed     Closed      Open      Closed      Open

   33MHz     Closed      Open      Closed     Closed      Open

   40MHz      Open       Open      Closed      Open      Closed

  50iMHz     Closed     Closed      Open      Closed      Open

   50MHz      Open       Open       Open       Open       Open

  66iMHz     Closed      Open      Closed     Closed      Open