DIAMOND FLOWER, INC.

486-CCV (REV. A)

Processor        80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed  25/33/40/50(Internal)/50/66(Internal)MHz
Chip Set         Contaq
Max. Onboard DRAM32MB
Cache            64/128/256KB
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      32-bit VESA slots (2)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Reset switch                J2       Power LED & keylock         J5

  Turbo LED                   J3       External battery            J6

  Speaker                     J4       32-bit VESA slots (2)     S1 & S2

                        USER CONFIGURABLE SETTINGS

                Function                      Jumper         Position

  »   Factory configured - do not alter         J1            Closed

  »   Factory configured - do not alter        JP1           pins 2 & 3
                                                              closed

  »   Factory configured - do not alter        JP4             Open

  »   Factory configured - do not alter        JP5             Open

  »   Factory configured - do not alter        JP6           pins 1 & 2
                                                              closed

  »   Factory configured - do not alter        JP17          pins 2 & 3
                                                              closed

  »   Factory configured - do not alter        JP19          pins 1 & 2
                                                              closed

  »   Monitor type select color                JP23           Closed

      Monitor type select monochrome           JP23            Open

  »   Factory configured - do not alter        JP24          pins 2 & 3
                                                              closed

  »   Factory configured - do not alter        JP25           Closed

  »   CMOS memory normal operation             JP26          pins 1 & 2
      (Internal Battery)                                      closed

      CMOS memory normal operation             JP26            Open
      (External Battery)

      CMOS memory clear                        JP26          pins 2 & 3
                                                              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

      17MB        (4) 256K x 9    (4) 4M x 9

      20MB        (4) 1M x 9      (4) 4M x 9

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

                            CACHE CONFIGURATION

      Size       Max Cachable      Bank 0         Bank 1          TAG

      64KB           16MB        (4) 8K x 8     (4) 8K x 8      8K x 8

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

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

                  CACHE JUMPER CONFIGURATION

        Size                 JP20                JP21

        64KB           pins 2 & 4 closed   pins 2 & 3 closed

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

        256KB          pins 1 & 2 closed   pins 1 & 2 closed

                          CPU SPEED CONFIGURATION

      Speed              JP10               JP11               JP18

      25MHz             Closed             Closed             Closed

      33MHz             Closed              Open               Open

      40MHz              Open              Closed              Open

      50iMHz            Closed             Closed             Closed

      50MHz              Open               Open               Open

      66iMHz            Closed              Open               Open

  Note:If you intend on using the VL-Bus slots and you are using a
  DX/50MHz (not the DX 2 /50MHz) you

                          CPU TYPE CONFIGURATION

     Type          JP12        JP13         JP14        JP15       JP16

    80486SX        Open        Open         Open        Open     pins 1 &
                                                                    2

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

    80486DX        Open        Open        Closed      pins 2    pins 2 &
                                                        & 3         3

   ODP486SX       Closed      Closed       Closed      pins 1    pins 2 &
                                                        & 2         3

   80486DX2        Open        Open        Closed      pins 2    pins 2 &
                                                        & 3         3

                       VL-BUS VGA CARD CONFIGURATION

           Video Card                 JP8           JP9           JP22

      No VL-Bus Video card          Closed         Closed      pins 2 & 3

  S3 VL-Bus Video card (either      Closed         Closed      pins 1 & 2
             slot)

  Weitek P9000 installed in SL1      Open          Closed      pins 2 & 3

  Weitek P9000 installed in SL2     Closed          Open       pins 2 & 3

  VL-Bus boards not supported        Open           Open       pins 2 & 3

      VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION

    CPU speed      Wait states       JP2 (ID3)        JP3 (ID2)

     <=33MHz      0 wait states         Open            Open

      >33MHz       1 wait state        Closed          Closed