
EVEREX SYSTEMS, INC.

TEMPO 386SX (EV-1863(B))

Processor         80386SX
Processor Speed   25MHz
Chip Set          Everex
Max. Onboard DRAM 8MB
Cache             None
BIOS              Everex
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            BAT      Speaker                     J20

  Turbo switch                J18      Reset switch                J21

  Turbo LED                   J19      Power LED & keylock         J22

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     ROM wait states select 2                P5               Open

      ROM wait states select 3                P5              Closed

     DRAM read wait states select 0          P6              Closed

      DRAM read wait state select 1           P6               Open

     DRAM write wait states select 0         P7              Closed

      DRAM write wait state select 1          P7               Open

     Shadow RAM disabled                     P8              Closed

      Shadow RAM enabled                      P8               Open

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2         Bank 3

     512KB       (2) 256K x        NONE          NONE           NONE
                     9

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

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

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

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

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

       DRAM JUMPER CONFIGURATION

   Size       P2       P3        P4

  512KB      Open    Closed    Closed

   1MB      Closed    Open     Closed

   2MB       Open     Open     Closed

   2MB       Open    Closed     Open

   4MB      Closed    Open      Open

   8MB       Open     Open      Open

