
DIAMOND FLOWER, INC.

386SX-16/20/25DN

Processor         80386SX
Processor Speed   16/20/25MHz
Chip Set          Diamond Flower
Max. Onboard DRAM 16MB
Cache             None
BIOS              AMI
Dimensions        241mm x 220mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Keyboard connector           J1       Speaker                    J5

  Reset switch                 J2       Power LED & keylock        J6

  Turbo switch                 J3       External battery           J9

  Turbo LED                    J4

                        USER CONFIGURABLE SETTINGS

                Function                      Jumper         Position

     Monitor type select color                 J7            closed

      Monitor type select monochrome            J7             open

     CMOS memory normal operation              J8           pins 1 & 2
      (Internal Battery)                                      closed

      CMOS memory normal operation              J8           pins 2 & 3
      (External Battery)                                      closed

      CMOS memory clear                         J8             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

     2.5MB       (2) 256K x     (2) 1M x 9       NONE           NONE
                     9

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

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

     4.5MB       (2) 1M x 9     (2) 1M x 9     (2) 256K x       NONE
                                                   9

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

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

     10MB        (2) 1M x 9     (2) 4M x 9       NONE           NONE

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

                        REFRESH TYPE CONFIGURATION

             Type                       J9                    J10

      Burst refresh (90 s)          Closed                 Open

       Fast refresh (30 s)            Open                 Closed

       Standard refresh (15            Open                  Open
                s)

        Fast burst refresh            Closed                Closed
             (180 s)

