EVEREX SYSTEMS, INC.

286/12 (EV-1815) - (SIMM 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 jumper J4 is unidentified.

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   Monitor type select                   SW1/1               Off
      monochrome

      Monitor type select color             SW1/1                On

  »   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        (2) 256K x 9       NONE

      1MB         (2) 256K x 9   (2) 256K x 9

        DRAM JUMPER CONFIGURATION

        Size                  W6

        512KB         pins 3 & 4 closed

         1MB           pins 3 & 4 open