
EVEREX SYSTEMS, INC.

STEP 386/20

Processor              80386
Processor Speed        20MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 16MB (8MB located on memory card)
Maximum Video Memory   None
Cache                  Unidentified
BIOS                   Unidentified
Dimensions             355mm x 304mm
I/O Options            External memory card
NPU Options            80387

[Image]

                  CONNECTIONS

  Purpose                      Location

  External memory card            SL1

                        USER CONFIGURABLE SETTINGS

               Function                   Label            Position

      Color/mono switch                     S1           Unidentified

      NPU not installed                     W3               Open

      NPU installed                         W3              Closed

      Step Up not installed                W14              Closed

      Step Up installed                    W14               Open

      Bus speed select 6.7MHz              W17              Closed

      Bus speed select 10MHz               W17               Open

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB       (4) 256K x 9       None           None           None

     2MB       (4) 256K x 9   (4) 256K x 9       None           None

     3MB       (4) 256K x 9   (4) 256K x 9   (4) 256K x 9       None

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

     4MB        (4) 1M x 9        None           None           None

     8MB        (4) 1M x 9     (4) 1M x 9        None           None

     12MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9        None

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

  Note: Banks 2 & 3 are located on the memory card. The size of the
  parity chips is unidentified.

                               DRAM BANK CONFIGURATION

  Banks     RN27         RN28         RN29         RN30         RN31        RN32
  used

   1      Installed       Not          Not      Installed        Not         Not
                      installed    installed                 installed    installed

   2         Not      Installed        Not          Not      Installed       Not
          installed                installed    installed                 installed

   4         Not          Not      Installed        Not          Not      Installed
          installed   installed                 installed    installed

                           DRAM BANK CONFIGURATION (CONT)

  Banks     RN58         RN59         RN60         RN61         RN62        RN63
  used

   1      Installed       Not          Not      Installed        Not         Not
                      installed    installed                 installed    installed

   2         Not      Installed        Not          Not      Installed       Not
          installed                installed    installed                 installed

   4         Not          Not      Installed        Not          Not      Installed
          installed   installed                 installed    installed

  SIMM SIZE CONFIGURATION

     Size          W15

   256K x 9       Closed

    1M x 9         Open

  BASE MEMORY CONFIGURATION

     Size            W16

     512KB         Closed

     640KB          Open

               CACHE CONFIGURATION

  Note: The size of the cache is unidentified.

