
SOYO COMPUTER CO., LTD.

ZERO-WAIT 80386SX SCAMP

Processor         80386SX
Processor Speed   16/20/25/33MHz
Chip Set          VLSI SCAMP
Max. Onboard DRAM 16MB
Cache             None
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            JP1      Turbo LED                   JP7

  Reset switch                JP5      Speaker                     JP8

  Turbo switch                JP6      Power LED & keylock         JP9

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

     Monitor type select color                JP2            Closed

      Monitor type select monochrome           JP2             Open

     Factory configured - do not alter        JP3              N/A

     Factory configured - do not alter        JP4              N/A

     NPU mode select synchronous with         JP11          pins 2 & 3
      CPU                                                     closed

      NPU mode select asynchronous with        JP11          pins 1 & 2
      CPU                                                     closed

                            DRAM CONFIGURATION

   Size     Bank 0     Bank 1     Bank 2    Bank 3      P-0        P-1

  512KB       (4)       NONE       NONE      NONE       (2)        NONE
             44256                                     41256

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

   1MB        (4)        (4)       NONE      NONE       (2)         (2)
             44256      44256                          41256      41256

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

  1.5MB       (4)        (4)        (2)      NONE       (2)         (2)
             44256      44256     256K x               41256      41256
                                    9

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

   2MB        (4)        (4)        (2)       (2)       (2)         (2)
             44256      44256     256K x    256K x     41256      41256
                                    9         9

   3MB        (4)        (4)      (2) 1M     NONE       (2)         (2)
             44256      44256      x 9                 41256      41256

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

   5MB        (4)        (4)      (2) 1M    (2) 1M      (2)         (2)
             44256      44256      x 9       x 9       41256      41256

   8MB       NONE       NONE      (2) 4M     NONE      NONE        NONE
                                   x 9

   16MB      NONE       NONE      (2) 4M    (2) 4M     NONE        NONE
                                   x 9       x 9

                  DRAM JUMPER CONFIGURATION

        Size                 JP12                 JP13

        512KB          pins 1 & 2 closed   pins 1 & 2 closed

        512KB          pins 1 & 2 closed   pins 1 & 2 closed

         1MB           pins 1 & 2 closed   pins 1 & 2 closed

         1MB           pins 1 & 2 closed   pins 1 & 2 closed

        1.5MB          pins 2 & 3 closed   pins 2 & 3 closed

         2MB           pins 1 & 2 closed   pins 1 & 2 closed

         2MB           pins 2 & 3 closed   pins 2 & 3 closed

         3MB           pins 2 & 3 closed   pins 2 & 3 closed

         4MB           pins 1 & 2 closed   pins 1 & 2 closed

         5MB           pins 2 & 3 closed   pins 2 & 3 closed

         8MB           pins 1 & 2 closed   pins 1 & 2 closed

        16MB           pins 1 & 2 closed   pins 1 & 2 closed

