
EDOM INTERNATIONAL CORPORATION

486VL3H (MV045)

Processor  CX486SX/AM486SX/UMC U5/80486SX/CX486DX/AM486DX/80486DX/
           80486DX2/80486DX4/Pentium Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   Hint
Max.       64MB
Onboard
DRAM
Cache      128/256/512/1024KB
BIOS       Award
Dimensions 254mm x 220mm
I/O        32-bit VESA local bus slots (3)
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Power LED & keylock        JP1       Turbo LED                  JP25

  Speaker                    JP3       External battery           JP31

  Reset switch               JP7       32-bit VESA local bus   SL1 - SL3
                                       slots

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             JP17             N/A
      alter

     CMOS memory normal operation            JP31          pins 1 & 2
                                                              closed

      CMOS memory clear                       JP31          pins 2 & 3
                                                              closed

      Battery type select external            JP31            Closed

     CPU type select Intel/AMD               JP44          pins 1 & 2
                                                              closed

      CPU type select Cyrix                   JP44          pins 2 & 3
                                                              closed

     CPU type select all                     JP46             Open

      CPU type select AMD486DX2 only          JP46            Closed

                      DRAM CONFIGURATION

      Size          Bank 0          Bank 1          Bank 2

      4MB         (4) 1M x 9         NONE            NONE

      4MB            NONE         (1) 1M x 36        NONE

      8MB         (4) 1M x 9      (1) 1M x 36        NONE

      8MB            NONE         (1) 2M x 36        NONE

      8MB            NONE         (1) 1M x 36    (1) 1M x 36

      12MB        (4) 1M x 9      (1) 1M x 36    (1) 1M x 36

      12MB           NONE         (1) 2M x 36    (1) 1M x 36

      12MB           NONE         (1) 1M x 36    (1) 2M x 36

      12MB        (4) 1M x 9         NONE        (1) 2M x 36

      16MB        (4) 4M x 9         NONE            NONE

      16MB        (4) 1M x 9      (1) 1M x 36    (1) 2M x 36

      16MB           NONE         (1) 4M x 36        NONE

      16MB           NONE         (1) 2M x 36    (1) 2M x 36

      20MB        (4) 1M x 9      (1) 4M x 36        NONE

      20MB           NONE         (1) 4M x 36    (1) 1M x 36

      20MB           NONE         (1) 1M x 36    (1) 4M x 36

      24MB        (4) 1M x 9      (1) 1M x 36    (1) 4M x 36

      24MB        (4) 1M x 9      (1) 4M x 36    (1) 1M x 36

      24MB        (4) 4M x 9         NONE        (1) 2M x 36

      32MB        (4) 4M x 9      (1) 4M x 36        NONE

      32MB           NONE         (1) 8M x 36        NONE

      36MB        (4) 1M x 9         NONE        (1) 8M x 36

      36MB        (4) 4M x 9      (1) 4M x 36    (1) 1M x 36

      36MB        (4) 4M x 9      (1) 1M x 36    (1) 4M x 36

      36MB        (4) 1M x 9      (1) 4M x 36    (1) 4M x 36

      36MB           NONE         (1) 8M x 36    (1) 1M x 36

      40MB        (4) 1M x 9      (1) 4M x 36    (1) 4M x 36

      48MB        (4) 4M x 9      (1) 4M x 36    (1) 4M x 36

      48MB           NONE         (1) 8M x 36    (1) 4M x 36

      48MB        (4) 4M x 9         NONE        (1) 8M x 36

      64MB           NONE        (1) 16M x 36        NONE

      64MB        (4) 16M x 9        NONE            NONE

               DRAM JUMPER CONFIGURATION

            Type                       JP39

    Bank 0 = 30 pin SIMM         pins 2 & 3 closed

    Bank 0 = 72 pin SIMM     pins 1 & 2, 3 & 4 closed

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

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

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

     256KB        (4) 64K x 8        NONE         (1) 8K x 8

     512KB        (4) 64K x 8     (4) 64K x 8    (1) 32K x 8

     512KB       (4) 128K x 8        NONE        (1) 32K x 8

      1MB        (4) 128K x 8    (4) 128K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

       Size               JP28              JP30               JP34

       128KB             2 & 3         1 & 2, 3 & 4, 5         Open
                                             & 6

       256KB             1 & 2         1 & 2, 3 & 4, 5         Open
                                             & 6

       256KB             1 & 2         2 & 3, 4 & 5, 6         Open
                                             & 7

       512KB             1 & 2         1 & 2, 3 & 4, 5        3 & 4
                                             & 6

       512KB             1 & 2         2 & 3, 4 & 5, 6        3 & 4
                                             & 7

        1MB              1 & 2         2 & 3, 4 & 5, 6     1 & 2, 3 & 4
                                             & 7

  Note: Pins designated should be in the closed position.

                       CPU TYPE CONFIGURATION

    Type       JP12        JP13       JP14        JP15       JP16

    AMD        1 & 2       Open       Open        Open       Open

    UMC        1 & 2       Open       Open        Open       Open

   Cyrix       2 & 3      2 & 3       Open        2 & 3      2 & 3

  Intel SX     1 & 2      1 & 2       Open        1 & 2      1 & 2

  Intel DX     1 & 2      1 & 2       Open        1 & 2      1 & 2

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

    Type          JP18           JP19           JP20            JP23

    AMD       pins1 & 2, 3     pins 4 & 5     pins 4 & 5      pins 4 & 5
               & 4 closed       closed         closed          closed

    UMC       pins1 & 2, 3     pins 4 & 5     pins 4 & 5      pins 4 & 5
               & 4 closed       closed         closed          closed

   Cyrix      pins1 & 2, 3     pins 2 & 3     pins 2 & 3      pins 2 & 3
               & 4 closed       closed         closed          closed

  Intel SX     pins 2 & 3      pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed         closed         closed          closed

  Intel DX    pins1 & 2, 3     pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 4 closed       closed         closed          closed

                          CPU TYPE CONFIGURATION

        Type               JP27A            JP27B             JP27C

        Cyrix            pins 1 & 2       pins 2 & 3        pins 1 & 2
                          closed            closed            closed

         AMD             pins 1 & 2       pins 1 & 2        pins 2 & 3
                          closed            closed            closed

      Intel SL           pins 2 & 3       pins 1 & 2        pins 1 & 2
                          closed            closed            closed

        Intel            pins 1 & 2       pins 1 & 2        pins 1 & 2
                          closed            closed            closed

  Pentium Overdrive      pins 2 & 3       pins 2 & 3        pins 1 & 2
                          closed            closed            closed

                     CPU SPEED CONFIGURATION (MX-8513)

      Speed              JP26A             JP26B              JP26C

      25MHz            pins 1 & 2        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

      33MHz            pins 2 & 3        pins 2 & 3         pins 2 & 3
                        closed             closed             closed

      40MHz            pins 2 & 3        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

      50iMHz           pins 1 & 2        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

      50MHz            pins 1 & 2        pins 1 & 2         pins 2 & 3
                        closed             closed             closed

      66iMHz           pins 2 & 3        pins 2 & 3         pins 2 & 3
                        closed             closed             closed

      75iMHz             Open            pins 2 & 3            Open
                                           closed

     100iMHz           pins 2 & 3        pins 2 & 3         pins 2 & 3
                        closed             closed             closed

                    CPU SPEED CONFIGURATION (AV9107-03)

      Speed              JP26A             JP26B              JP26C

      25MHz            pins 2 & 3        pins 1 & 2         pins 2 & 3
                        closed             closed             closed

      33MHz            pins 2 & 3        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

      40MHz            pins 1 & 2        pins 1 & 2         pins 2 & 3
                        closed             closed             closed

      50iMHz           pins 2 & 3        pins 1 & 2         pins 2 & 3
                        closed             closed             closed

      50MHz            pins 1 & 2        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

      66iMHz           pins 2 & 3        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

      75iMHz           pins 2 & 3           Open            pins 2 & 3
                        closed                                closed

     100iMHz           pins 2 & 3        pins 2 & 3            Open
                        closed             closed

               CPU VOLTAGE CONFIGURATION

          Voltage                      JP33

             3v              pins 1 & 2, 4 & 5 closed

             5v              pins 2 & 3, 5 & 6 closed

        CPU VOLTAGE CONFIGURATION

       Voltage               JP45

        3.3v          pins 3 & 6 closed

        3.45v         pins 2 & 5 closed

         4v           pins 1 & 4 closed

  VESA WAIT STATE CONFIGURATION

   Wait states          JP9

  0 wait states        Open

  1 wait state        Closed

  BUS SPEED CONFIGURATION

  CPU speed        JP8

   <= 33MHz        Open

   > 33MHz        Closed

