EVEREX SYSTEMS, INC.

STEP 386 REV. G

Processor         80386DX
Processor Speed   16/20MHz
Chip Set          C & T
Max. onboard DRAM 8MB
Cache             64/128KB
BIOS              AMI
Dimensions        355mm x 304mm
I/O Options       32-bit external memory card
NPU Options       80387DX

[Image]

                CONNECTIONS

  Purpose                        Location

  32-bit external memory card       S1

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   Factory configured - do not            SW1              Unknown
      alter

                         SYSTEM DRAM CONFIGURATION

   Size       Bank 0       Bank 1      Bank 2      Bank 3         W1

    1MB       (4) 256K      NONE        NONE        NONE        Closed
                x 9

    2MB       (4) 256K    (4) 256K      NONE        NONE        Closed
                x 9         x 9

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

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

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

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

  Note:Banks 2 & 3, and W1 are located on the external memory Board.

                            CACHE CONFIGURATION

     Size          Bank 0        Bank 1          TAG          Dirty Bit
                                                               (U38)

     64KB        (4) 16K x 4      NONE       (2) 16K x 4    (1) 16K x 4

     128KB       (4) 16K x 4   (4) 16K x 4   (2) 16K x 4    (1) 16K x 4

  Note:Each Cache bank must be fully populated when its corresponding
  DRAM bank is populated.

                        RESISTOR SIP CONFIGURATION

     Memory Banks         RP28         RP29          RP30         RP31
      installed

       Bank 0          Installed       Open       Installed       Open

     Bank 0 & 1           Open       Installed    Installed       Open

  Banks 0, 1, 2, & 3      Open       Installed       Open      Installed

  Note:Banks 2 & 3 are on the external memory card

[Image]

                            CACHE CONFIGURATION

          Size                   Cache                   Location

          64KB                (8) 16K x 4                 Bank 2

         128KB                (8) 16K x 4               Bank 2 & 3

  Note:Each Cache bank must be fully populated when its corresponding
  DRAM bank is populated.