
EVEREX SYSTEMS, INC.

TEMPO 386SX/20C EV-8048

Processor               80386SX
Processor Speed         20MHz
Chip Set                Suntac
Max. Onboard DRAM       8MB
Cache                   None
BIOS                    AMI
Dimensions              330mm x 218mm
I/O Options             Floppy drive interface, IDE interface, parallel
                        port, serial port (2), VGA feature connector, VGA
                        port
NPU Options             80387SX

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  IDE interface              CN1       Serial port (COM2)         CN6

  Floppy drive               CN2       Parallel port              CN7
  interface

  VGA feature connector      CN3       IDE interface LED          JP3

  VGA port                   CN4       Front panel switch &       JP6
                                       lighting interface

  Serial port (COM1)         CN5       Riser card                 R1

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     Onboard VGA port enabled                JP5             Closed

      Onboard VGA port disabled               JP5              Open

  Note:The onboard VGA port must be disabled in order to use an external
  monochrome video card.

                            DRAM CONFIGURATION

     Size          Bank 0        Bank 1         Bank 2         Bank 3

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

      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

      3MB       (2) 256K x 9   (2) 256K x 9   (2) 1M x 9        NONE

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

      5MB       (2) 256K x 9   (2) 256K x 9   (2) 1M x 9     (2) 1M x 9

      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

                        SERIAL PORT 1 CONFIGURATION

              COM1                                  JP1

                DCE                pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 &
                                          10, and 11 & 12 closed

                 DTE              pins 1 & 12, 2 & 11, 3 & 10, 4 & 9, 5 &
                                            8, and 6 & 7 closed

                        SERIAL PORT 2 CONFIGURATION

              COM2                                  JP2

                DCE                pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 &
                                          10, and 11 & 12 closed

                 DTE              pins 1 & 12, 2 & 11, 3 & 10, 4 & 9, 5 &
                                            8, and 6 & 7 closed

