
EDOM INTERNATIONAL CORPORATION

486VL3H (MV020)

Processor       CX486M6/80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed 25/33/40/50(internal)/50/66(internal)MHz
Chip Set        Unidentified
Max. Onboard    64MB
DRAM
Cache           64/128/256KB
BIOS            AMI/Award
Dimensions      250mm x 220mm
I/O Options     32-bit VESA local bus slots (3)
NPU Options     None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  External battery            J1       Power LED & keylock        JP23

  Reset switch               JP16      Turbo LED                  JP24

  Speaker                    JP21      32-bit VESA local bus   SL1 - SL3
                                       slots

  Turbo switch               JP22

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation            JP1           pins 1 & 2
                                                              closed

      CMOS memory clear                       JP1           pins 2 & 3
                                                              closed

     Factory configured - do not             JP2           pins 1 & 2
      alter                                                   closed

     Factory configured - do not             JP7           pins 2 & 3
      alter                                                   closed

     Factory configured - do not             JP9              Open
      alter

     Factory configured - do not             JP18          pins 1 & 2
      alter                                                   closed

     PQFP CPU disabled                       JP20             Open

      PQFP CPU enabled                        JP20            Closed

     Monitor type select monochrome          JP26             Open

      Monitor type select color               JP26            Closed

     Factory configured - do not             JP27          pins 1 & 2
      alter                                                   closed

     Factory configured - do not              P1              Open
      alter

  Note: The loactions of JP7, JP18 &P1 are unidentified.

              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

      6MB         (4) 256K x 9   (4) 256K 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

      64MB        (4) 16M x 9        NONE

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     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

  Note: The location of the TAG chip is unidentified.

                        CACHE JUMPER CONFIGURATION

     Size           JP5          JP12           JP15            JP25

     64KB          Open         1 & 2           Open            Open

     128KB         3 & 4         Open        pins 2 & 3        Closed
                                               closed

     256KB       1 & 2, 3 &      Open        pins 1 & 2        Closed
                     4                         closed

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

          Type                     JP8                      JP10

         80486SX                   Open              pins 2 & 3 closed

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

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

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

                CPU SPEED CONFIGURATION

           Speed                       JP13

           25MHz             pins 1 & 2, 5 & 6 closed

           33MHz             pins 1 & 2, 3 & 4 closed

           40MHz                 pins 5 & 6 closed

           50iMHz            pins 1 & 2, 5 & 6 closed

           50MHz                 pins 3 & 4 closed

           66iMHz            pins 1 & 2, 3 & 4 closed

  VESA WAIT STATE CONFIGURATION

   Wait states         JP17

  0 wait states        Open

  1 wait state        Closed

                   BUS SPEED CONFIGURATION

      CPU speed              JP11                 JP19

      <= 33MHz         pins 2 & 3 closed          Open

       > 33MHz         pins 1 & 2 closed         Closed

