EVEREX SYSTEMS, INC.

AGI 4000A EV-1895

Processor         80486DX
Processor Speed   25/33MHz
Chip Set          C & T
Max. Onboard DRAM 16MB
SRAM Cache        64/256KB
BIOS              AMI
Dimensions        350mm x 320mm
I/O Options       32-bit external memory card
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Front panel connector         J4      32-bit memory card         S1

  Speaker                       J5

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Factory configured - do not alter        W1              Open

  »   Factory configured - do not alter        W7             Unknown

  »   CPU speed select High                    W6              Open

      CPU speed select normal                  W6            pins 1 & 2
                                                              closed

      CPU speed select switchable via          W6            pins 2 & 3
      the keyboard                                            closed

  »   Monitor type select color                W7            pins 1 & 2
                                                              closed

      Monitor type select monochrome           W7            pins 2 & 3
                                                              closed

  »   Speaker select enabled                   W20            Closed

      Speaker select disabled                  W20             Open

                            DRAM CONFIGURATION

   Size     Bank 0     Bank 1     Bank 2     Bank 3      W8         W9

   1MB      (4) 256K    NONE       NONE       NONE      pins 2   pins 2 &
              x 9                                        & 3        3

   2MB      (4) 256K  (4) 256K     NONE       NONE      pins 2   pins 2 &
              x 9       x 9                              & 3        3

   4MB      (4) 1M x    NONE       NONE       NONE      pins 1   pins 1 &
               9                                         & 2        2

   8MB      (4) 1M x  (4) 1M x     NONE       NONE      pins 1   pins 1 &
               9         9                               & 2        2

   10MB     (4) 1M x  (4) 1M x   (4) 256K   (4) 256K    pins 1   pins 1 &
               9         9         x 9        x 9        & 2        2

   12MB     (4) 1M x  (4) 1M x   (4) 1M x     NONE      pins 1   pins 1 &
               9         9          9                    & 2        2

   16MB     (4) 1M x  (4) 1M x   (4) 1M x   (4) 1M x    pins 1   pins 1 &
               9         9          9          9         & 2        2

  Note:10, 12 and 16MB configurations require the installation of the
  EV-1896 memory card.

  Pins designated should be in the closed position.

                         DRAM SWITCH CONFIGURATION

    Size     SW1/switch 1    SW1/switch 2    SW1/switch 3   SW1/switch 4

    1MB           On             Off              On             On

    2MB           Off            Off              On             Off

    4MB           On              On              On             On

    8MB           Off            Off              On             Off

    10MB          Off             On              On             On

    12MB          Off             On             Off             On

    16MB          Off             On             Off             Off

              CACHE CONFIGURATION

      Size           Cache           TAG

      64KB        (10) 16K x 4   (1) 16K x 1

     256KB        (10) 64K x 4   (1) 64K x 1

                  CACHE JUMPER CONFIGURATION

        Size                  W2                   W3

        64KB           pins 1 & 2 closed   pins 1 & 2 closed

        256KB          pins 2 & 3 closed   pins 2 & 3 closed