
ELITEGROUP COMPUTER SYSTEMS, INC.

SL 486E

Processor        80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed  20/25/33/50(internal)/50/66(internal)MHz
Chip Set         SIS
Max. Onboard DRAM128MB
Cache            64/128/256KB
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      32-bit VESA local bus slot (1)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  Power LED & keylock        JP17       Turbo switch              JP20

  Speaker                    JP18       Turbo LED                 JP21

  Reset switch               JP19       32-bit VESA Local bus      S1
                                        slot

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     System arbitration logic in             JP11           pins 2 & 3
      85C406                                                  closed

      System arbitration logic in             JP11           pins 1 & 2
      85C406 bypass CPU                                       closed

     Local memory burst mode enabled         JP12            Closed

      Local memory burst mode disabled        JP12             Open

     Factory configured - do not alter       JP13           pins 1 & 2
                                                              closed

     Monitor type select color               JP14            Closed

      Monitor type select monochrome          JP14             Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 265K x 9       NONE

      2MB         (4) 265K x 9   (4) 265K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 265K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      20MB        (4) 4M x 9      (4) 1M x 9

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

      64MB        (4) 16M x 9        NONE

     128MB        (4) 16M x 9    (4) 16M x 9

                            CACHE CONFIGURATION

    Size      Max Cachable     Bank 0     Bank 1     Dirty Bit     TAG

    64KB          16MB        (4) 8K x    (4) 8K x   (1) 16K x    (2) 16K
                                 8           8          4          x 4

   128KB          32MB         (4) 32K     NONE      (1) 16K x    (2) 16K
                                x 8                     4          x 4

   256KB          64MB         (4) 32K    (4) 32K    (1) 16K x    (2) 16K
                                x 8         x 8         4          x 4

                        CACHE JUMPER CONFIGURATION

  Size       JP1        JP2        JP3       JP4        JP5        JP6

  64KB     pins 1 &   pins 1 &   pins 1 &  pins 1 &   pins 1 &   pins 2 &
              2          2          2         2          2          3

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

  256KB    pins 2 &   pins 2 &   pins 2 &  pins 2 &   pins 2 &   pins 4 &
              3          3          3         3          3          5

  Note:Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

       Type               JP8                JP9               JP10

      80486SX          pins 1 & 2         pins 1 & 2        pins 1 & 2
                         closed            closed             closed

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

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

     ODP486SX          pins 2 & 3         pins 2 & 3        pins 1 & 2
                         closed            closed             closed

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

         CPU SPEED CONFIGURATION

        Speed                JP7

        20MHz         pins 1 & 2 closed

        25MHz         pins 1 & 2 closed

        33MHz         pins 1 & 2 closed

       50i MHz        pins 1 & 2 closed

        50MHz         pins 2 & 3 closed

       66I MHz        pins 1 & 2 closed

