DIAMOND FLOWER, INC.

DFI 386-33UC, DFI-386-25UC

Processor         80386DX
Processor Speed   25/33MHz
Chip Set          UMC
Max. Onboard DRAM 12MB (4MB on external memory card)
Cache             32KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       External memory card
NPU Options       80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                Location

  CPU clock indicator         J1        Power LED & keylock       J7
  connector

  Auxiliary keyboard          J2        Reset switch              J13
  connector

  Reset switch                J3        External battery          J17

  Turbo LED                   J4        Riser Card                SL1

  Speaker                     J6

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch        Position

  »   Battery type select internal           J14             pins 2 & 3
                                                              closed

      Battery type select external           J14             pins 1 & 2
                                                              closed

  »   Monitor type select                    J18               Open
      monochrome

      Monitor type select color              J18              Closed

  »   Factory configured - do not            J20             pins 2 & 3
      alter                                                   closed

  »   Factory configured - do not            J21             pins 1 & 2
      alter (386-33UC only)                                   closed

  »   Cache enabled                          J22             pins 1 & 2
                                                              closed

      Cache disabled                         J22             pins 2 & 3
                                                              closed

  »   Factory configured - do not            J25              Closed
      alter

  »   Factory configured - do not            J26              Closed
      alter

  »   NPU type select Weitek 3167            J27              Closed
      or none installed

      NPU type select 80387 or               J27               Open
      Weitek 3167 installed

  »   Factory configured - do not            J28             pins 2 & 3
      alter                                                   closed

  »   DRAM type select 1M x 9               SW1/1               Off

      DRAM type select 256K x 9             SW1/1               On

  »   Factory configured - do not           SW1/4               On
      alter

  »   Factory configured - do not           SW1/5               On
      alter

  »   Factory configured - do not           SW1/6               On
      alter

  »   Factory configured - do not           SW1/7               On
      alter

  »   Factory configured - do not           SW1/8               On
      alter

                      DRAM CONFIGURATION

      Size          Bank 0          Bank 1          Bank 2

      1MB        (4) 256K x 9        NONE            NONE

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

      3MB        (4) 256K x 9    (4) 256K x 9    (4) 256K x 9

      4MB         (4) 1M x 9         NONE            NONE

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

      12MB        (4) 1M x 9      (4) 1M x 9      (4) 1M x 9

  Note: Bank 3 is located on the external memory card.

    DRAM BANK CONFIGURATION

   Bank      SW1/2      SW1/3

  0, 1, 2     Off        Off

   0, 1       Off        On

     0         On        On

                   CACHE CONFIGURATION

  Note: The location of the 32KB cache is unidentified.

                          CPU SPEED CONFIGURATION

           Speed                      J5                     J15

  High (cache installed)      pins 1 & 2 closed       pins 1 & 2 closed

       Low (cache not         pins 2 & 3 closed       pins 2 & 3 closed
        installed)