
DIAMOND FLOWER, INC.

G486VPC (REV. BA0+)

Processor  CX486DX2/AM486DX2/SGS486DX2/80486DX2/CX486DX4/
           AM486DX4/SGS486DX4/80486DX4/ODP80486DX4/P24T/AM5X86/ CX5X86/SGS5X86
Processor  25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/
Speed
           100(internal)/120(internal)/133(internal)/150(internal)/166(internal)MHz
Chip Set   VIA
Video Chip None
Set
Maximum    128MB
Onboard
Memory
Maximum    None
Video
Memory
Cache      128/256KB
BIOS       Award
Dimensions 250mm x 220mm
I/O        32-bit PCI slot, floppy drive interface, IDE interfaces (2), parallel
Options    port, PS/2 mouse interface, serial ports (2)
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  PS/2 mouse interface        CN1      IDE interface 1             J8

  Turbo LED                   J1       IDE interface 2             J9

  Green PC LED                J2       Parallel port               J10

  Speaker                     J3       Floppy drive interface      J11

  Reset switch                J4       Serial port 1               J12

  Power LED & keylock         J5       Serial port 2               J13

  IDE interface LED           J6       32-bit PCI slot             PC1

  Turbo switch                J7

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      On board battery disabled               JC1           Pins 2 & 3
                                                              closed

      On board battery enabled                JC1           Pins 1 & 2
                                                              closed

     CMOS memory normal operation            JC2           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JC2           Pins 2 & 3
                                                              closed

     Factory configured - do not alter       JP1              Open

     Factory configured - do not alter       JP11          Pins 1 & 2
                                                              closed

     Factory configured - do not alter       JP12          Pins 1 & 2
                                                              closed

     Factory configured - do not alter       JP14          Pins 1 & 2
                                                              closed

     Factory configured - do not alter       JP17          Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 12v           JP19          Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 5v            JP19          Pins 2 & 3
                                                              closed

     Factory configured - do not alter       JP24             Open

     Factory configured - do not alter       JP25          Pins 1 & 2
                                                              closed

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       1MB        (1) 256K x 32         None            None

       2MB        (1) 256K x 32    (1) 256K x 32        None

       2MB        (1) 512K x 32         None            None

       3MB        (1) 256K x 32    (1) 256K x 32    (1) 256K x 32

       3MB        (1) 512K x 32         None        (1) 256K x 32

       4MB         (1) 1M x 32          None            None

       4MB        (1) 512K x 32         None        (1) 512K x 32

       5MB         (1) 1M x 32     (1) 256K x 32        None

       6MB         (1) 1M x 32     (1) 256K x 32    (1) 256K x 32

       6MB        (1) 512K x 32         None         (1) 1M x 32

       8MB         (1) 1M x 32      (1) 1M x 32         None

       8MB         (1) 2M x 32          None            None

       9MB         (1) 1M x 32      (1) 1M x 32     (1) 256K x 32

       9MB         (1) 2M x 32          None        (1) 256K x 32

      12MB         (1) 1M x 32      (1) 1M x 32      (1) 1M x 32

                    DRAM CONFIGURATION (CON'T)

      Size            Bank 0           Bank 1          Bank 2

      12MB         (1) 2M x 32          None         (1) 1M x 32

      16MB         (1) 4M x 32          None            None

      16MB         (1) 2M x 32          None         (1) 2M x 32

      17MB         (1) 4M x 32     (1) 256K x 32        None

      18MB         (1) 4M x 32     (1) 256K x 32    (1) 256K x 32

      18MB        (1) 512K x 32         None         (1) 4M x 32

      20MB         (1) 4M x 32      (1) 1M x 32         None

      21MB         (1) 4M x 32      (1) 1M x 32     (1) 256K x 32

      24MB         (1) 4M x 32      (1) 1M x 32      (1) 1M x 32

      24MB         (1) 2M x 32          None         (1) 4M x 32

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

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

      32MB         (1) 8M x 32          None            None

      33MB         (1) 4M x 32      (1) 4M x 32     (1) 256K x 32

      33MB         (1) 8M x 32          None        (1) 256K x 32

      34MB         (1) 8M x 32          None        (1) 512K x 32

      36MB         (1) 4M x 32      (1) 4M x 32      (1) 1M x 32

      36MB         (1) 8M x 32          None         (1) 1M x 32

      40MB         (1) 8M x 32          None         (1) 2M x 32

      48MB         (1) 4M x 32      (1) 4M x 32      (1) 4M x 32

      48MB         (1) 8M x 32          None         (1) 4M x 32

      64MB         (1) 16M x 32         None            None

      64MB         (1) 8M x 32          None         (1) 8M x 32

      65MB         (1) 16M x 32    (1) 256K x 32        None

      68MB         (1) 16M x 32     (1) 1M x 32         None

      69MB         (1) 16M x 32     (1) 1M x 32     (1) 256K x 32

      72MB         (1) 16M x 32     (1) 1M x 32      (1) 1M x 32

      72MB         (1) 2M x 32          None        (1) 16M x 32

      80MB         (1) 16M x 32     (1) 4M x 32         None

      81MB         (1) 16M x 32     (1) 4M x 32     (1) 256K x 32

      84MB         (1) 16M x 32     (1) 4M x 32      (1) 1M x 32

      96MB         (1) 8M x 32          None        (1) 16M x 32

      128MB        (1) 16M x 32     (1) 16M x 32        None

      128MB        (1) 16M x 32         None        (1) 16M x 32

            CACHE CONFIGURATION

     Size          Bank 0          TAG

     128KB       (4) 32K x 8   (1) 32K x 8

     256KB       (4) 64K x 8   (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

      Size               JP6               JP7                 JP8

      128KB           Pins 2 & 3        Pins 1 & 2      Pins 2 & 3 closed
                       closed             closed

      256KB           Pins 1 & 2        Pins 2 & 3      Pins 1 & 2 closed
                       closed             closed

                            CPU SPEED SELECTION

      Speed               JP3               JP4                JP5

      25MHz            Pins 2 & 3        Pins 1 & 2         Pins 2 & 3
                        closed             closed             closed

      33MHz            Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

      40MHz            Pins 2 & 3        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

      50iMHz           Pins 2 & 3        Pins 1 & 2         Pins 2 & 3
                        closed             closed             closed

      66iMHz           Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

      75iMHz           Pins 2 & 3        Pins 1 & 2         Pins 2 & 3
                        closed             closed             closed

      80iMHz           Pins 2 & 3        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

     100iMHz           Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

     120iMHz           Pins 2 & 3        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

     133iMHz           Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

     150iMHz           Pins 2 & 3        Pins 1 & 2         Pins 2 & 3
                        closed             closed             closed

     166iMHz           Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

                            CPU TYPE SELECTION

           Type                      JRN1                   JRN2

         CX486DX2                    Open            1 & 2, 3 & 4, 5 & 6,
                                                        7 & 8, 9 & 10

       AM486DX2 NV8T         1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

       AM486DX2 SV8B         1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

         SGS486DX2                   Open            1 & 2, 3 & 4, 5 & 6,
                                                        7 & 8, 9 & 10

         80486DX2            1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

  CX486DX4 (Cyrix pin out)           Open            1 & 2, 3 & 4, 5 & 6,
                                                        7 & 8, 9 & 10

  CX486DX4 (Intel pin out)   1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

       AM486DX4 SV8B         1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

       AM486DX4 NV8T         1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

    SGS486DX4 (Cyrix pin             Open            1 & 2, 3 & 4, 5 & 6,
           out)                                         7 & 8, 9 & 10

    SGS486DX4 (Intel pin     1 & 2, 3 & 4, 5 & 6,           Open
           out)                 7 & 8, 9 & 10

         80486DX4            1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

        ODP80486DX4          1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

           P24T              1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

          AM5X86             1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

          CX5X86             1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

          SGS5X86            1 & 2, 3 & 4, 5 & 6,           Open
                                7 & 8, 9 & 10

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CON'T)

        Type            JP16        JP18       JP20     JP22       JP23

      CX486DX2          Open        Open      1 & 2     1 & 2     1 & 2

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

   AM486DX2 SV8B       Closed       Open      1 & 2     1 & 2     2 & 3

     SGS486DX2          Open        Open      1 & 2     1 & 2     1 & 2

      80486DX2          Open        Open      1 & 2     1 & 2      Open

   CX486DX4 (Cyrix      Open        Open      1 & 2     1 & 2     1 & 2
      pin out)

   CX486DX4 (Intel      Open        Open      1 & 2     1 & 2     1 & 2
      pin out)

   AM486DX4 SV8B        Open        Open      1 & 2     1 & 2     2 & 3

   AM486DX4 NV8T        Open        Open      1 & 2     1 & 2     2 & 3

  SGS486DX4 (Cyrix      Open        Open      1 & 2     1 & 2     1 & 2
      pin out)

  SGS486DX4 (Intel      Open        Open      1 & 2     1 & 2     1 & 2
      pin out)

      80486DX4          Open        Open      1 & 2     1 & 2     2 & 3

    ODP80486DX4         Open        Open      1 & 2     2 & 3     2 & 3

        P24T            Open        Open      1 & 2     2 & 3     2 & 3

       AM5X86          Closed       Open      1 & 2     1 & 2     2 & 3

       CX5X86           Open        Open      1 & 2     1 & 2     1 & 2

      SGS5X86           Open        Open      1 & 2     1 & 2     1 & 2

  Note: Pins designated should be in the closed position.

                           CPU VOLTAGE SELECTION

     Voltage              JP9               JP10               JP15

      3.45v            Pins 2 & 3        Pins 1 & 2         Pins 2 & 3
                        closed             closed             closed

       3.6v            Pins 2 & 3        Pins 3 & 4         Pins 2 & 3
                        closed             closed             closed

        4v             Pins 2 & 3        Pins 5 & 6         Pins 2 & 3
                        closed             closed             closed

        5v             Pins 1 & 2        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

                            PCI SPEED SELECTION

           Speed                     JP13                    JP21

          < = 33MHz           Pins 1 & 2 closed      Pins 1 & 2 closed

            = 40MHz            Pins 2 & 3 closed      Pins 2 & 3 closed

