EVEREX SYSTEMS, INC.

3000B 80386SX-20

Processor         80386SX
Processor Speed   20MHz
Chip Set          Suntac
Max. Onboard DRAM 8MB
Cache             64KB
BIOS              AMI
Dimensions        355mm x 304mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Front panel display         J1       External battery            J4

  Speaker                     J2

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

  »   Factory configured - do not alter         J6              N/A

  »   Factory configured - do not alter         W7             Open

  »   Factory configured - do not alter         W8            Closed

  »   I/O bus (8-bit) speed select 5            W2           pins 1 & 2
      wait states                                             closed

      I/O bus (8-bit) speed select 4            W2           pins 2 & 3
      wait states                                             closed

  »   Power on speed select                     W3           pins 2 & 3
      fast/switchable from keyboard                           closed

      Power on speed select slow                W3           pins 1 & 2
                                                              closed

      Power on speed select fast                W3             Open

  »   I/O bus (16-bit) speed select 2           W5           pins 2 & 3
      wait states                                             closed

      I/O bus (16-bit) speed select 1           W5           pins 1 & 2
      wait states                                             closed

  »   Monitor type select monochrome            W9            Closed

      Monitor type select color                 W9             Open

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (2) 256K x 9   (2) 256K x 9      NONE           NONE

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

     2MB        (2) 1M x 9        NONE           NONE           NONE

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

     6MB        (2) 1M x 9     (2) 1M x 9     (2) 1M x 9        NONE

     8MB        (2) 1M x 9     (2) 1M x 9     (2) 1M x 9     (2) 1M x 9

         DRAM SWITCH CONFIGURATION

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

   1MB      On       On       On       On

   2MB      On       On       On      Off

   2MB      On      Off      Off       On

   4MB      On      Off       On      Off

   6MB      On      Off      Off      Off

   8MB      Off     Off      Off      Off

                  DRAM JUMPER CONFIGURATION

        Size                  W4                   W6

         1MB           pins 1 & 2 closed   pins 1 & 2 closed

         2MB           pins 1 & 2 closed   pins 1 & 2 closed

         2MB           pins 2 & 3 closed   pins 2 & 3 closed

         4MB           pins 2 & 3 closed   pins 2 & 3 closed

         6MB           pins 2 & 3 closed   pins 2 & 3 closed

         8MB           pins 2 & 3 closed   pins 2 & 3 closed

                   SRAM CONFIGURATION

            Size                       Bank 3

            64KB                    (9) 64K x 1

  Notes:Cache location & chip sizes are unidentified.