
CSS LABORATORIES, INC.

PREFERRED 486 MGE/VL

Processor        80486DX/80486DX2/Pentium Overdrive
Processor Speed  25/33/50(internal)/50/66(internal)MHz
Chip Set         SIS
Max. Onboard DRAM256MB (128MB on CPU module)
Cache            512KB (on CPU module)
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      CPU module slot, 32-bit VESA local bus slots (2)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Speaker                    J4        Reset/Turbo switch         J41

  Power LED & keylock        J5        32-bit VESA Local bus   SL1 & SL2
                                       slots

  Equipment panel            J39       CPU module slot            SL3
  connector

  IDE interface LED          J40

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select monochrome          JP9             Closed

      Monitor type select color               JP9              Open

     Factory configured - do not             JP30             Open
      alter

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

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

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

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

     16MB       (4) 4M x 9        NONE           NONE          NONE

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

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

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

     28MB       (4) 1M x 9     (4) 1M x 9     (4) 4M x 9    (4) 1M x 9

     28MB       (4) 1M x 9     (4) 4M x 9     (4) 1M x 9    (4) 1M x 9

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

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

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

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

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

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

     48MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9       NONE

     52MB       (4) 1M x 9     (4) 4M x 9     (4) 4M x 9    (4) 4M x 9

     52MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9    (4) 1M x 9

     64MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9    (4) 4M x 9

     64MB       (4) 16M x 9       NONE           NONE          NONE

    128MB       (4) 16M x 9   (4) 16M x 9        NONE          NONE

    196MB       (4) 16M x 9   (4) 16M x 9    (4) 16M x 9       NONE

    256MB       (4) 16M x 9   (4) 16M x 9    (4) 16M x 9    (4) 16M x 9

  Note: Banks 2 & 3 are located on the CPU module board.

                          CPU SPEED CONFIGURATION

      Speed               JP1                JP6               JP7

      25MHz            pins 1 & 2           Open               Open
                        closed

      33MHz            pins 1 & 2           Open              Closed
                        closed

      50iMHz           pins 1 & 2          Closed             Closed
                        closed

      66iMHz           pins 1 & 2           Open              Closed
                        closed

  VESA BUS SPEED CONFIGURATION

   CPU speed          JPV3

    <=33MHz           Open

    > 33MHz          Closed

          VESA WAIT STATE CONFIGURATION

   Wait states         JPV1             JPV2

  0 wait states        Open             Open

  1 wait state        Closed           Closed

     EQUIPMENT PANEL CONFIGURATION

    Description             J39

       Ground              pin 1

       Power               pin 2

   Hard drive LED          pin 3

      Not used             pin 4

       Power               pin 5

       Ground              pin 6

     Turbo LED             pin 7

  Keyboard inhibit         pin 8

       Power               pin 9

    Reset button          pin 10

