
SILICON VALLEY COMPUTER, INC.

386WB

Processor         80386DX
Processor Speed   25/33/40MHz
Chip Set          C & T
Max. Onboard DRAM 32MB
Cache             64/256KB
BIOS              C & T
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card slot
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           J10       32-bit external             S1
                                       memory card

  Power LED & keylock        J23       Reset switch               SW1

  Speaker                    J24       Turbo switch               SW2

  Turbo LED                  JP4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select CGA                  JP1            Closed

      Monitor type select monochrome,          JP1             Open
      EGA, or VGA

     CMOS memory normal operation             JP2           pins 2 & 3
                                                              closed

      CMOS memory clear                        JP2           pins 1 & 2
                                                              closed

     Bus speed select ATCLK/4                 JP3            closed

      Bus speed select ATCLK/6                 JP3             open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      20MB        (4) 1M x 9      (4) 4M x 9

      20MB        (4) 4M x 9      (4) 1M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                            CACHE CONFIGURATION

       Size              Bank 0        TAG (U32 & U33)   Dirty Bit (U42)

       64KB            (8) 8K x 8        (2) 4K x 4        (1) 16K x 4

       256KB          (8) 32K x 8        (2) 16K x 4       (1) 16K x 4

                     CACHE JUMPER CONFIGURATION

   Size      JP5      JP6       JP7       JP8      JP9       JP10

   64KB     2 & 3    1 & 2     1 & 2     Open     2 & 3     1 & 2

  256KB     2 & 3    2 & 3     2 & 3     Closed   1 & 2     1 & 2

  Note:Pins designated should be in the closed position.

