EVEREX SYSTEMS, INC.

MAXLOGIC 486DX-33 (EV-18193)

Processor        80486SX/80486DX/80486DX2
Processor Speed  25/33/50(internal)/50/66(internal)MHz
Chip Set         Unidentified
Max. Onboard DRAM32MB
Cache            64/128/256/512KB
BIOS             Unidentified
Dimensions       330mm x 218mm
I/O Options      None
NPU Options      4167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Speaker                     J1       Reset switch                J4

  Chassis fan power           J2       Turbo LED                   JP1

  Power LED & keylock         J3       External battery            JP5

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Factory configured - do not             JP2              N/A
      alter

  »   Factory configured - do not             JP3              N/A
      alter

  »   Factory configured - do not             JP4              N/A
      alter

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      5MB         (4) 1M x 9     (4) 256K x 9

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

      16MB        (4) 4M x 9         NONE

      17MB        (4) 256K x 9    (4) 4M x 9

      17MB        (4) 4M x 9     (4) 256K x 9

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

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

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

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

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

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

     256KB      (8) 32K x 8        NONE       (1) 32K x 8

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

                        CACHE JUMPER CONFIGURATION

   Size         JP6          JP7          JP8         JP9         JP10

   64KB        Open       pins 2 & 3      Open        Open        Open
                            closed

   128KB      Closed      pins 2 & 3      Open        Open       Closed
                            closed

   256KB      Closed      pins 2 & 3      Open       Closed      Closed
                            closed

   512KB      Closed      pins 1 & 2     Closed      Closed      Closed
                            closed

            MISCELLANEOUS TECHNICAL NOTE

  Note: The orientation of pin 1 is unidentified.