
DIAMOND FLOWER, INC.

DFI-386/20

Processor         80386DX
Processor Speed   20MHz
Chip Set          C & T
Max. Onboard DRAM 16MB (with external memory card)
Cache             None
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card
NPU Options       80287/80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  Optional keyboard           J2        CPU clock LED              J8
  connector

  Reset switch                J3        Reset switch              J11

  Turbo LED                   J4        Turbo switch              J14

  Turbo switch                J5        External battery          J15

  Speaker                     J6        32-bit external           SL1
                                        memory card

  Power LED & keylock         J7

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not              J9           pins 1 & 2
      alter                                                   closed

     NPU disabled                            J10              Open

      NPU enabled 80287                       J10           pins 2 & 3
                                                              closed

      NPU enabled 80387/3167                  J10           pins 1 & 2
                                                              closed

     Monitor type select monochrome          J12              Open

      Monitor type select color               J12             Closed

     Battery type select disabled            J13              Open

      Battery type select internal            J13           pins 1 & 2
                                                              closed

      Battery type select external            J13           pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

     Size         Bank 0        Bank 1          Bank 2         Bank 3

     1MB        (4) 256K x       NONE            NONE           NONE
                    9

     2MB        (4) 256K x     (4) 256K x        NONE           NONE
                    9              9

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

     4MB        (4) 256K x     (4) 256K x     (36) 41256     (36) 41256
                    9              9

     8MB        (4) 1M x 9    (4) 1M x 9         NONE           NONE

     10MB       (4) 1M x 9    (4) 1M x 9      (36) 41256     (36) 41256

     16MB       (4) 1M x 9    (4) 1M x 9     (36) 411000     (36) 411000

  Note: These settings are for J1 open.

                            DRAM CONFIGURATION

     Size         Bank 0          Bank 1         Bank 2         Bank 3

     1MB        (36) 41256         NONE           NONE           NONE

     2MB        (36) 41256      (36) 41256        NONE           NONE

     4MB        (36) 411000        NONE           NONE           NONE

     4MB        (36) 41256      (36) 41256      (4) 256K x   (4) 256K x 9
                                                    9

     8MB        (36) 411000     (36) 411000       NONE           NONE

     10MB       (36) 411000     (36) 411000     (4) 256K x   (4) 256K x 9
                                                    9

     16MB       (36) 411000     (36) 411000    (4) 1M x 9     (4) 1M x 9

  Note: These settings are for J1 closed.

                         DRAM JUMPER CONFIGURATION

                    Setting                                 J1

  Banks 0 & 1 on memory board and Banks 2 & 3             Closed
                 on mainboard

  Banks 0 & 1 on mainboard and Banks 2 & 3 on              Open
                 memory board

