
EVEREX SYSTEMS, INC.

286/12 (EV-1815) - (ZIP VERSION)

Processor         80286
Processor Speed   12MHz
Chip Set          None
Max. Onboard DRAM 1MB
Cache             None
BIOS              AMI
Dimensions        355mm x 304mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Front panel display         J1       External battery            J4

  Speaker                     J2

  Note: NPU speed must equal the speed of oscillator Y5 divided by 3. The
  location of J4 is unidentified.

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Monitor type select                   SW1/1               Open
      monochrome

      Monitor type select color             SW1/1              Closed

     Factory configured - do not            W1                 N/A
      alter

     Expansion bus (8-bit) speed            W2              pins 5 & 6
      select 6 wait states                                     closed

     Expansion bus (8-bit) speed            W2              pins 3 & 4
      select 5 wait states                                     closed

      Expansion bus (8-bit) speed            W2              pins 1 & 2
      select 4 wait states                                     closed

     Expansion bus (16-bit) speed           W3              pins 5 & 6
      select 2 wait states                                     closed

      Expansion bus (16-bit) speed           W3              pins 7 & 8
      select 1 wait states                                     closed

      Expansion bus (16-bit) speed           W3              pins 3 & 4
      select 3 wait states                                     closed

      Expansion bus (16-bit) speed           W3              pins 1 & 2
      select 4 wait states                                     closed

     Factory configured - do not            W4                 N/A
      alter

     Factory configured - do not            W5                 N/A
      alter

     Factory configured - do not            W6              pins 1 & 2
      alter                                                     open

     Factory configured - do not            W6              pins 5 & 6
      alter                                                     open

     Factory configured - do not            W6              pins 7 & 8
      alter                                                    closed

     Factory configured - do not            W7              pins 1 & 2
      alter                                                    closed

     Factory configured - do not            W8              pins 1 & 2
      alter                                                    closed

           DRAM CONFIGURATION

    Size        Bank 0        Bank 1

    512KB      (18) 4464       NONE

     1MB       (18) 4464    (18) 4464

  Note:This board uses ZIPs not DIPs.

        DRAM JUMPER CONFIGURATION

        Size                  W6

        512KB         pins 3 & 4 closed

         1MB           pins 3 & 4 open

