DIAMOND FLOWER, INC.

IB3486-UCB

Processor          80386DX/80486SX/80487SX/80486DX (Depending on CPU card)
Processor Speed    20/25/33/40MHz
Chip Set           UMC
Max. Onboard DRAM  48MB
Cache              32/64/128/256KB
BIOS               AMI
Dimensions         330mm x 220mm
I/O OPTIONS        32-bit external memory card slot, CPU card slot
NPU Options        80387DX/3167/4167 (Depending on CPU card)

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  Auxiliary keyboard         J1        Turbo switch           J6 and J27

  Reset switch           J2 and J23    External battery           J26

  Turbo LED                  J3        32-bit external            S1
                                       memory card

  Speaker                    J4        CPU card                   S2

  Power LED & Keylock        J5

                        USER CONFIGURABLE SETTINGS

               Function                     Jumper           Position

  »   Monitor type select color              J22              closed

      Monitor type select monochrome         J22               open

  »   Battery select external                J24             pins 1 & 2
                                                              closed

      Battery select internal                J24             pins 2 & 3
                                                              closed

                      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

      5MB        (4) 256K x 9     (4) 1M x 9         NONE

      6MB        (4) 256K x 9    (4) 256K x 9     (4) 1M x 9

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

      9MB        (4) 256K x 9     (4) 1M x 9      (4) 1M x 9

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

      16MB        (4) 4M x 9         NONE            NONE

      20MB        (4) 1M x 9      (4) 4M x 9         NONE

      24MB        (4) 1M x 9      (4) 1M x 9      (4) 4M x 9

      32MB        (4) 4M x 9      (4) 4M x 9         NONE

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

      48MB        (4) 4M x 9      (4) 4M x 9      (4) 4M x 9

                            CACHE CONFIGURATION

  Size          Bank 0                Bank 1                  TAG

  32KB        (4) 8K x 8               NONE               (4) 16K x 4

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

  128KB       (4) 32K x 8              NONE               (4) 16K x 4

  256KB       (4) 32K x 8           (4) 32K x 8           (4) 16K x 4

                        CACHE JUMPER CONFIGURATION

  Size        J8           J9           J10         J11           J12

  32KB     pins 1 & 2   pins 1 & 2   pins 1 & 2     open       pins 2 & 3
            closed       closed       closed                    closed

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

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

  256KB    pins 2 & 3   pins 2 & 3   pins 2 & 3  pins 2 & 3    pins 1 & 2
            closed       closed       closed       closed       closed

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                   NPU CONFIGURATION (DB-386 CPU MODULE)

        NPU                JP1               JP2               JP3

      Enabled           pins 1 & 2          Closed            Closed
                          closed

      Disabled          pins 2 & 3           Open              Open
                          closed

[Image]

              CPU TYPE CONFIGURATION (DB-486SX/DX CPU MODULE)

      CPU             JP1            JP2            JP3           JP4

    80486SX        pins 1 & 2        Open          Open           Open
                    closed

    80486DX        pins 2 & 3       Closed        Closed          Open
                    closed

[Image]

              CPU TYPE CONFIGURATION (DB-486SX/DX CPU MODULE)

      CPU             JP1            JP2            JP3           JP4

    80486SX        pins 1 & 2        Open          Open           Open
                    closed

    80486DX        pins 2 & 3       Closed        Closed          Open
                    closed