
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

