
DIAMOND FLOWER, INC.

G486-EVB (REV. B)

Processor   CX486SX/80486(WB)/80486SX/SL80486SX/CX486DX/80486DX/
            AM486DX/AM486DXL/SL80486DX/CX486DX2V/CX486DX2/
            AM486DX2/AM486DXL2/80486DX2/SL80486DX2/AM486DX4/ 80486DX4/P24T
Processor   25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/
Speed       100(internal)MHz
Chip Set    Unidentified
Video Chip  None
Set
Maximum     64MB
Onboard
Memory
Maximum     None
Video
Memory
Cache       128/256/512KB
BIOS        Unidentified
Dimensions  330mm x 218mm
I/O Options 32-bit VESA local bus slots (3), green PC connector
NPU Options None

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Green PC LED               D6       Green PC connector          JP44

  External battery          JP2       Reset switch                JP45

  Power LED & keylock       JP40      32-bit VESA local bus    SL1  SL3
                                      slots

  Speaker                   JP41

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      BIOS type select 28F010               JP1             Closed

      BIOS type select 27512                JP1              Open

     Factory configured - do not           JP5          Unidentified
      alter

      Battery type select internal          JP8        Pins 2 & 3 closed

      Battery type select external          JP8        Pins 1 & 2 closed

     Factory configured - do not          JP14             Closed
      alter

     Factory configured - do not          JP31          Unidentified
      alter

     Factory configured - do not          JP43          Unidentified
      alter

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (1) 256K x        None           None           None
                    36

     2MB        (1) 512K x        None           None           None
                    36

     4MB        (1) 256K x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     4MB        (1) 512K x        None        (1) 512K x        None
                    36                            36

     4MB       (1) 1M x 36        None           None           None

     8MB       (1) 1M x 36    (1) 1M x 36        None           None

     8MB       (1) 2M x 36        None           None           None

     16MB      (1) 1M x 36    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     16MB      (1) 2M x 36        None       (1) 2M x 36        None

     16MB      (1) 4M x 36        None           None           None

     32MB      (1) 4M x 36    (1) 4M x 36        None           None

     64MB      (1) 4M x 36    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

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

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

     512KB       (4) 128K x 8        None        (1) 32K x 8

                     CACHE JUMPER CONFIGURATION

   Size     JP19      JP20     JP21      JP25      JP26      JP27

  128KB     Open     2 & 3     2 & 3     Closed   Closed     Open

  256KB     Open     1 & 2     1 & 2     Closed   Closed    Closed

  512KB     Closed   2 & 3     1 & 2     Closed   Closed    Closed

  Note: Pins designated should be in the closed position.

                            CPU TYPE SELECTION

         Type             JP15       JP16      JP17      JP18      JP22

      CX486SX(WB)        Closed     Closed     2 & 3    2 & 3      2 & 3

      CX486SX(WT)        Closed     Closed     1 & 2    1 & 2      2 & 3

    80486 (WB 3.3v)       Open      Closed     2 & 3    2 & 3      1 & 2,
                                                                   3 & 4

     80486 (WB 5v)        Open      Closed     2 & 3    2 & 3      1 & 2,
                                                                   3 & 4

        80486SX           Open       Open      1 & 2    1 & 2      Open

       SL80486SX          Open       Open      1 & 2    1 & 2      1 & 2

      CX486DX(WB)        Closed     Closed     2 & 3    2 & 3      2 & 3

      CX486DX(WT)        Closed     Closed     1 & 2    1 & 2      2 & 3

        80486DX           Open       Open      1 & 2    1 & 2      Open

        AM486DX           Open       Open      1 & 2    1 & 2      Open

       AM486DXL           Open       Open      1 & 2    1 & 2      Open

       SL80486DX          Open       Open      1 & 2    1 & 2      1 & 2

   CX486DX2V-50(WB)      Closed     Closed     2 & 3    2 & 3      2 & 3

   CX486DX2V-50(WT)      Closed     Closed     1 & 2    1 & 2      2 & 3

     CX486DX2(WB)        Closed     Closed     2 & 3    2 & 3      2 & 3

     CX486DX2(WT)        Closed     Closed     1 & 2    1 & 2      2 & 3

       AM486DX2           Open       Open      1 & 2    1 & 2      Open

    AM486DX2 (NV8T)       Open       Open      1 & 2    1 & 2      Open

       AM486DXL2          Open       Open      1 & 2    1 & 2      Open

       80486DX2           Open       Open      1 & 2    1 & 2      Open

      SL80486DX2          Open       Open      1 & 2    1 & 2      1 & 2

    AM486DX4 (NV8T)       Open       Open      1 & 2    1 & 2      Open

       80486DX4           Open       Open      1 & 2    1 & 2      1 & 2

       P24T(WB)           Open      Closed     2 & 3    2 & 3      1 & 2

       P24T(WT)           Open      Closed     1 & 2    1 & 2      1 & 2

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

        Type            JP23      JP24      JP28      JP29        JP30

     CX486SX(WB)       2 & 3      2 & 3,    2 & 3     Open        Open
                                  4 & 5

     CX486SX(WT)       2 & 3      2 & 3     2 & 3     Open        Open

   80486 (WB 3.3v)     1 & 2,     1 & 2,    1 & 2     2 & 3      Closed
                       3 & 4      3 & 4

    80486 (WB 5v)      1 & 2,     1 & 2,    1 & 2     2 & 3      Closed
                       3 & 4      3 & 4

       80486SX          Open      Open      2 & 3     Open        Open

      SL80486SX        1 & 2      1 & 2     2 & 3     Open        Open

     CX486DX(WB)       2 & 3      2 & 3,    1 & 2     2 & 3      Closed
                                  4 & 5

     CX486DX(WT)       2 & 3      2 & 3     1 & 2     2 & 3      Closed

       80486DX          Open      Open      1 & 2     2 & 3      Closed

       AM486DX          Open      Open      1 & 2     2 & 3      Closed

      AM486DXL          Open      Open      1 & 2     2 & 3      Closed

      SL80486DX        1 & 2      1 & 2     1 & 2     2 & 3      Closed

    CX486DX2V(WB)      2 & 3      2 & 3,    1 & 2     2 & 3      Closed
                                  4 & 5

    CX486DX2V(WT)      2 & 3      2 & 3     1 & 2     2 & 3      Closed

    CX486DX2(WB)       2 & 3      2 & 3,    1 & 2     2 & 3      Closed
                                  4 & 5

    CX486DX2(WT)       2 & 3      2 & 3     1 & 2     2 & 3      Closed

      AM486DX2          Open      Open      1 & 2     2 & 3      Closed

   AM486DX2 (NV8T)      Open      Open      1 & 2     2 & 3      Closed

      AM486DXL2         Open      Open      1 & 2     2 & 3      Closed

      80486DX2          Open      Open      1 & 2     2 & 3      Closed

     SL80486DX2        1 & 2      1 & 2     1 & 2     2 & 3      Closed

   AM486DX4 (NV8T)      Open      Open      1 & 2     2 & 3      Closed

      80486DX4         1 & 2      1 & 2     1 & 2     2 & 3      Closed

      P24T(WB)         1 & 2,     1 & 2     1 & 2     1 & 2      Closed
                       3 & 4

      P24T(WT)         1 & 2,     1 & 2     1 & 2     1 & 2      Closed
                       3 & 4

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

         Type              JP32        JP33         JP34         JP36

      CX486SX(WB)        2 & 3, 4    1 & 2, 3 &     Open         Open
                           & 5           4

      CX486SX(WT)          Open      1 & 2, 3 &     Open         Open
                                         4

    80486 (WB 3.3v)       1 & 2      5 & 6, 7 &     Open         Open
                                         8

     80486 (WB 5v)        1 & 2      1 & 2, 3 &     Open         Open
                                         4

        80486SX            Open      1 & 2, 3 &     Open         Open
                                         4

       SL80486SX           Open      1 & 2, 3 &     Open         Open
                                         4

      CX486DX(WB)        2 & 3, 4    1 & 2, 3 &     Open         Open
                           & 5           4

      CX486DX(WT)          Open      1 & 2, 3 &     Open         Open
                                         4

        80486DX            Open      1 & 2, 3 &     Open         Open
                                         4

        AM486DX            Open      1 & 2, 3 &     Open         Open
                                         4

       AM486DXL            Open      1 & 2, 3 &     Open       1 & 2, 3 &
                                         4                         4

       SL80486DX           Open      1 & 2, 3 &     Open         Open
                                         4

     CX486DX2V(WB)       2 & 3, 4    5 & 6, 7 &     Open         Open
                           & 5           8

     CX486DX2V(WT)         Open      5 & 6, 7 &     Open         Open
                                         8

     CX486DX2(WB)        2 & 3, 4    1 & 2, 3 &     Open         Open
                           & 5           4

     CX486DX2(WT)          Open      1 & 2, 3 &     Open         Open
                                         4

       AM486DX2            Open      1 & 2, 3 &     Open         Open
                                         4

    AM486DX2 (NV8T)        Open      5 & 6, 7 &    7 & 8         Open
                                         8

       AM486DXL2           Open      1 & 2, 3 &     Open       1 & 2, 3 &
                                         4                         4

       80486DX2            Open      1 & 2, 3 &     Open         Open
                                         4

      SL80486DX2           Open      1 & 2, 3 &     Open         Open
                                         4

    AM486DX4 (NV8T)        Open      5 & 6, 7 &    5 & 6         Open
                                         8

       80486DX4            Open      5 & 6, 7 &     Open         Open
                                         8

       P24T(WB)           1 & 2      1 & 2, 3 &     Open         Open
                                         4

       P24T(WT)            Open      1 & 2, 3 &     Open         Open
                                         4

  Note: Pins designated should be in the closed position.

            CPU SPEED SELECTION

   Speed       S1         S2        S3

   25MHz     Closed      Open      Open

   33MHz     Closed     Closed    Closed

   40MHz     Closed     Closed     Open

  50iMHz     Closed      Open      Open

  66iMHz     Closed     Closed    Closed

  75iMHz     Closed      Open      Open

  80iMHz     Closed     Closed     Open

  100iMHz    Closed     Closed    Closed

          CPU TYPE SELECTION

       Type               JP35

  Non SL-enhanced        Closed

    SL-enhanced           Open

  VL BUS WAIT STATE SELECTION

    Setting           JP41

       0              Open

       1             Closed

  VL BUS SPEED SELECTION

    Speed         JP42

  <= 33MHz        Open

   >33 MHz       Closed

