
EDOM INTERNATIONAL CORPORATION

486PIG (MP042)

Processor  80486SX/CX486M7/UMC U5S/80486DX/80486DX2/80486DX4/P24D/ Pentium
           Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   OPTI
Max.       128MB
Onboard
DRAM
Cache      128/512KB
BIOS       Award
Dimensions 220mm x 190mm
I/O        32-bit PCI slots (4), green PC connector
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                   Location     Purpose                Location

  External battery             J2        Turbo switch             JP40

  Power LED & keylock          J9        Speaker                  JP41

  Green PC connector           JP3       32-bit PCI slots       PC1 - PC4

  Green PC LED                JP38       Reset switch              S1

  Turbo LED                   JP39

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation             JP1           pins 2 & 3
                                                              closed

      CMOS memory clear                        JP1           pins 1 & 2
                                                              closed

     CPU write type select write back        JP17           pins 1 & 2
                                                              closed

      CPU write type select write             JP17           pins 2 & 3
      through                                                 closed

     CPU clock speed >33MHz                  JP27           pins 2 & 3
                                                              closed

      CPU clock speed =<33MHz                 JP27           pins 3 & 4
                                                              closed

     PCI asynchronous with CPU               JP33           pins 1 & 2
                                                              closed

      PCI synchronous with CPU                JP33           pins 2 & 3
                                                              closed

     Factory configured - do not alter       JP37              N/A

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (1) 512K x 36         NONE

       4MB         (1) 1M x 36          NONE

       4MB        (1) 512K x 36    (1) 512K x 36

       8MB         (1) 1M x 36      (1) 1M x 36

       8MB         (1) 2M x 36          NONE

      12MB         (1) 1M x 36      (1) 2M x 36

      16MB         (1) 4M x 36          NONE

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

      20MB         (1) 1M x 36      (1) 4M x 36

      32MB         (1) 4M x 36      (1) 4M x 36

      64MB         (1) 16M x 36         NONE

      128MB        (1) 16M x 36     (1) 16M x 36

              CACHE CONFIGURATION

      Size          Bank 0           TAG

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

     512KB        (4) 128K x 8   (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

      Size               JP13               JP19               JP22

      128KB           pins 2 & 3            Open               Open
                        closed

      512KB           pins 1 & 2           Closed             Closed
                        closed

                          CPU TYPE CONFIGURATION

       Type            JP14          JP15          JP21          JP23

     80486SX        pins 1 & 2       Open          Open          Open
                      closed

     CX486M7        pins 1 & 2     pins 1 & 2     Closed        Closed
                      closed        closed

     UMC U5S        pins 1 & 2       Open          Open          Open
                      closed

     80486DX        pins 1 & 2       Open          Open          Open
                      closed

     80486DX2       pins 1 & 2       Open          Open          Open
                      closed

     80486DX4       pins 1 & 2       Open          Open          Open
                      closed

       P24D         pins 1 & 2     pins 2 & 3     Closed         Open
                      closed        closed

      Pentium       pins 2 & 3       Open          Open          Open
    Overdrive         closed

                          CPU TYPE CONFIGURATION

       Type            JP24          JP25           JP26          JP29

     80486SX           Open          Open         pins 2 & 3      Open
                                                   closed

     CX486M7           Open          Open       pins 1 & 2, 3     Open
                                                 & 4 closed

     UMC U5S         pins 1 & 2      Open       pins 1 & 2, 3     Open
                      closed                     & 4 closed

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

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

     80486DX4        pins 1 & 2      Open       pins 1 & 2, 3     Open
                      closed                     & 4 closed

       P24D          pins 1 & 2     Closed      pins 1 & 2, 3     Open
                      closed                     & 4 closed

      Pentium        pins 1 & 2      Open       pins 1 & 2, 3     Open
    Overdrive         closed                     & 4 closed

                          CPU TYPE CONFIGURATION

       Type             JP6          JP10          JP18          JP28

       Cyrix            N/A           N/A        pins 2 & 3       N/A
                                                  closed

    SL-enhanced        Closed       Closed       pins 1 & 2     Closed
                                                  closed

  Non SL-enhanced       Open         Open          Open          Open

    CPU SPEED CONFIGURATION

   Speed      JP31      JP32

   25MHz      Open      Open

   33MHz     Closed    Closed

   40MHz      Open     Closed

  50iMHz      Open      Open

   50MHz     Closed     Open

  66iMHz     Closed    Closed

  75iMHz      Open      Open

  100iMHz    Closed    Closed

  CPU SPEED CONFIGURATION (80486DX4 ONLY)

        Speed                  JP16

          2x            pins 1 & 2 closed

         2.5x           pins 2 & 3 closed

          3x                   Open

               CPU VOLTAGE CONFIGURATION

          Voltage                      JP30

           3.45v             pins 3 & 5, 4 & 6 closed

             5v              pins 1 & 3, 2 & 4 closed

                         PCI TRIGGER CONFIGURATION

         Setting                   JP4                      JP5

      Edge trigger           pins 1 & 2, 3 & 4        pins 1 & 2, 3 & 4
                                  closed                   closed

      Level trigger         pins 2 & 3 closed        pins 2 & 3 closed

