DIAMOND FLOWER, INC.

3486-UCF REV. C

Processor       80386DX/80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed 20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set        UMC
Max. Onboard    32MB
DRAM
Cache           64/128/256KB
BIOS            AMI
Dimensions      254mm x 218mm
I/O Options     None
NPU Options     80387DX/CX487DLC

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Speaker                     J1       Turbo LED                   J4

  Reset switch                J2       External battery            J8

  Power LED & keylock         J3

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation             J7            pins 2 & 3
                                                              closed

      CMOS memory clear                        J7            pins 1 & 2
                                                              closed

  »   80486SX-20 not installed                 JP4             Open

      80486SX-20 installed                     JP4            Closed

  »   Monitor type select color                JP9            Closed

      Monitor type select monochrome           JP9             Open

  »   80486DX not installed                   JP10             Open

      80486DX installed                       JP10            Closed

  »   Pentium Overdrive not installed         jp11             Open

      Pentium Overdrive installed             jp11            Closed

  »   Intel 80386DX-33 or CX486DLC-40         JP12           pins 2 & 3
      not installed                                           closed

      Intel 80386DX-33 or CX486DLC-40         JP12           pins 1 & 2
      installed                                               closed

              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

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

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

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

     128KB      (4) 32K x 8        NONE       (1) 8K x 8

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

                        CACHE JUMPER CONFIGURATION

     Size           W1             W2             W3             W4

     64KB        pins 2 & 3       Open           Open         pins 1 & 2
                  closed                                       closed

    128KB        pins 1 & 2       Open          Closed        pins 2 & 3
                  closed                                       closed

    256KB        pins 2 & 3      Closed         Closed        pins 2 & 3
                  closed                                       closed

  CPU TYPE CONFIGURATION

    Type          JP6

    80386         Open

    80486        Closed

                    CPU TYPE CONFIGURATION (80486 ONLY)

       Type                JP1               JP2                JP3

      80486SX             Open            pins 2 & 3           Open
                                            closed

      80487SX           pins 2 & 3        pins 1 & 2          Closed
                         closed             closed

      80486DX           pins 1 & 2        pins 1 & 2          Closed
                         closed             closed

     80486DX2           pins 1 & 2        pins 1 & 2          Closed
                         closed             closed

     NPU CONFIGURATION (80387)

  Setting       JP5        JP7

  Disabled     Open        Open

  Enabled     Closed      Closed