
SILICON VALLEY COMPUTER, INC.

MINI386SX

Processor         80386SX
Processor Speed   16/20/25/33MHz
Chip Set          ALI
Max. Onboard DRAM 16MB
Cache             None
BIOS              Unidentified
Dimensions        220mm X 240mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J4       Turbo switch & LED         J8

  Reset switch                 J6       Keylock and Power LED      J9

  Speaker                      J7

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not alter        J5               N/A

     NPU synchronous with CPU                 JP2           pins 1 & 2
                                                              closed

      NPU asynchronous with CPU                JP2           pins 2 & 3
                                                              closed

      Real time clock type select 1287         JP3            Closed

      Real time clock type select              JP3             Open
      146818

     Monitor type select monochrome           JP4           pins 1 & 2
                                                              closed

      Monitor type select color                JP4           pins 2 & 3
                                                              closed

     Parity disabled                          JP6            Closed

      Parity enabled                           JP6             Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      512K        (2) 256K x 9       NONE

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

       2M         (2) 1M x 9         NONE

       4M         (2) 1M x 9      (2) 1M x 9

       8M         (2) 4M x 9         NONE

      16M         (2) 4M x 9      (2) 4M x 9

         CPU SPEED CONFIGURATION

      AT clock               JP1

        16MHz         pins 1 & 2 closed

        20MHz         pins 2 & 3 closed

        25MHz         pins 1 & 2 closed

        33MHz         pins 2 & 3 closed

         ADS DELAY CONFIGURATION

        Speed                JP5

        16MHz         pins 1 & 2 closed

        20MHz          pins 1& 2 closed

        25MHz         pins 2 & 3 closed

        33MHz         pins 2 & 3 closed

