
DIAMOND FLOWER, INC.

586STC (REV. DC+)

Device Type         Mainboard
Processor           CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 686MX/IBM
                    6X86MX/

                    AM K5/AM K6/Pentium
Processor Speed     75/90/100/120/133/150/166/200/233MHz
Chip Set            SIS
Video Chip Set      None
Maximum Onboard     256MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award
Dimensions          280mm x 220mm
I/O Options         32-bit PCI slots (4), floppy drive interface, green PC
                    connector, IDE interfaces (2), parallel port, PS/2
                    mouse interface, serial ports (2), IR connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Parallel port               J1       Turbo LED                  J13

  Floppy drive interface      J4       Green PC LED               J15

  IDE interface 2             J5       Green PC connector         J16

  IDE interface 1             J6       IDE interface LED          J17

  PS/2 mouse interface        J7       Reset switch               J19

  Serial port 1               J8       Speaker                    J20

  IR connector                J9       Power LED & keylock        J21

  Serial port 2              J10       32-bit PCI slots         PC1  PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP9           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP9           Pins 2 & 3
                                                              closed

              SIMM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (2) 1M x 36        None

      16MB        (2) 2M x 36        None

      16MB        (2) 1M x 36    (2) 1M x 36

      24MB        (2) 2M x 36    (2) 1M x 36

      32MB        (2) 4M x 36        None

      32MB        (2) 2M x 36    (2) 2M x 36

      40MB        (2) 4M x 36    (2) 1M x 36

      48MB        (2) 4M x 36    (2) 2M x 36

      64MB        (2) 8M x 36        None

      64MB        (2) 4M x 36    (2) 4M x 36

      72MB        (2) 8M x 36    (2) 1M x 36

      80MB        (2) 8M x 36    (2) 2M x 36

      96MB        (2) 8M x 36    (2) 4M x 36

     128MB        (2) 8M x 36    (2) 8M x 36

     128MB        (2) 16M x 36       None

     136MB        (2) 16M x 36   (2) 1M x 36

          SIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

     144MB        (2) 16M x 36   (2) 2M x 36

     160MB        (2) 16M x 36   (2) 4M x 36

     192MB        (2) 16M x 36   (2) 8M x 36

     256MB        (2) 16M x 36   (2) 16M x 36

  Note: Board accepts EDO memory.

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     256KB        (2) 32K x 32   Unidentified

     512KB        (2) 64K x 32   Unidentified

                       CPU SPEED SELECTION (CX 6X86)

   CPU      Clock    Multiplier   JP1    JP6   JP10   JP11   JP12   JP13
  speed    speed

  133MHz   55MHz        2x        1 &    1 &    1 &    2 &    2 &   1 & 2
                                   2     2      2      3      3

  150MHz   60MHz        2x        3 &    1 &    1 &    1 &    2 &   2 & 3
                                   4,    2      2      2      3
                                  5 &
                                   6

  166MHz   66MHz        2x        5 &    1 &    1 &    2 &    1 &   2 & 3
                                   6     2      2      3      2

  200MHz   75MHz        2x        3 &    1 &    2 &    1 &    2 &   1 & 2
                                   4     2      3      2      3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86)

   CPU      Clock    Multiplier   JP1    JP6   JP10   JP11   JP12   JP13
  speed    speed

  133MHz   55MHz        2x        1 &    1 &    1 &    2 &    2 &   1 & 2
                                   2     2      2      3      3

  150MHz   60MHz        2x        3 &    1 &    1 &    1 &    2 &   2 & 3
                                   4,    2      2      2      3
                                  5 &
                                   6

  166MHz   66MHz        2x        5 &    1 &    1 &    2 &    1 &   2 & 3
                                   6     2      2      3      2

  200MHz   75MHz        2x        3 &    1 &    2 &    1 &    2 &   1 & 2
                                   4     2      3      2      3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

   CPU      Clock    Multiplier   JP1    JP6   JP10   JP11   JP12   JP13
  speed    speed

  133MHz   55MHz        2x        1 &    1 &    1 &    2 &    2 &   1 & 2
                                   2     2      2      3      3

  150MHz   60MHz        2x        3 &    1 &    1 &    1 &    2 &   2 & 3
                                   4,    2      2      2      3
                                  5 &
                                   6

  166MHz   66MHz        2x        5 &    1 &    1 &    2 &    1 &   2 & 3
                                   6     2      2      3      2

  200MHz   75MHz        2x        3 &    1 &    2 &    1 &    2 &   1 & 2
                                   4     2      3      2      3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86L)

   CPU      Clock    Multiplier   JP1    JP6   JP10   JP11   JP12   JP13
  speed    speed

  133MHz   55MHz        2x        1 &    1 &    1 &    2 &    2 &   1 & 2
                                   2     2      2      3      3

  150MHz   60MHz        2x        3 &    1 &    1 &    1 &    2 &   2 & 3
                                   4,    2      2      2      3
                                  5 &
                                   6

  166MHz   66MHz        2x        5 &    1 &    1 &    2 &    1 &   2 & 3
                                   6     2      2      3      2

  200MHz   75MHz        2x        3 &    1 &    2 &    1 &    2 &   1 & 2
                                   4     2      3      2      3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

   CPU      Clock    Multiplier   JP1    JP6   JP10   JP11   JP12   JP13
  speed    speed

  166MHz   60MHz       2.5x       3 &    1 &    1 &    1 &    2 &   2 & 3
                                   4,    2,     2      2      3
                                  5 &    3 &
                                   6     4

  200MHz   66MHz       2.5x       5 &    1 &    1 &    2 &    1 &   2 & 3
                                   6     2,     2      3      2
                                         3 &
                                         4

  233MHz   66MHz       2.5x       5 &    1 &    1 &    2 &    1 &   2 & 3
                                   6     2,     2      3      2
                                         3 &
                                         4

  233MHz   75MHz        3x        3 &    3 &    2 &    1 &    2 &   1 & 2
                                   4     4      3      2      3

  266MHz   75MHz        3x        3 &    3 &    2 &    1 &    2 &   1 & 2
                                   4     4      3      2      3

  Note: Pins designated should be in the closed position.

                     CPU SPEED SELECTION (IBM 6X86MX)

   CPU      Clock    Multiplier   JP1    JP6   JP10   JP11   JP12   JP13
  speed    speed

  166MHz   60MHz       2.5x       3 &    1 &    1 &    1 &    2 &   2 & 3
                                   4,    2,     2      2      3
                                  5 &    3 &
                                   6     4

  200MHz   66MHz       2.5x       5 &    1 &    1 &    2 &    1 &   2 & 3
                                   6     2,     2      3      2
                                         3 &
                                         4

  233MHz   66MHz       2.5x       5 &    1 &    1 &    2 &    1 &   2 & 3
                                   6     2,     2      3      2
                                         3 &
                                         4

  233MHz   75MHz        3x        3 &    3 &    2 &    1 &    2 &   1 & 2
                                   4     4      3      2      3

  266MHz   75MHz        3x        3 &    3 &    2 &    1 &    2 &   1 & 2
                                   4     4      3      2      3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

   CPU      Clock    Multiplier   JP1   JP6    JP10   JP11    JP12   JP13
  speed    speed

  75MHz    50MHz       1.5x       3 &   Open    1 &    2 &    2 &    2 &
                                  4,            2      3       3      3
                                  7 &
                                  8

  90MHz    60MHz       1.5x       3 &   Open    1 &    1 &    2 &    2 &
                                  4,            2      2       3      3
                                  5 &
                                  6

  100MHz   66MHz       1.5x       5 &   Open    1 &    2 &    1 &    2 &
                                  6             2      3       2      3

  120MHz   60MHz       1.5x       3 &   Open    1 &    1 &    2 &    2 &
                                  4,            2      2       3      3
                                  5 &
                                  6

  133MHz   66MHz       1.5x       5 &   Open    1 &    2 &    1 &    2 &
                                  6             2      3       2      3

  166MHz   66MHz       2.5x       5 &    1 &    1 &    2 &    1 &    2 &
                                  6     2, 3    2      3       2      3
                                        & 4

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

   CPU      Clock    Multiplier   JP1   JP6    JP10   JP11   JP12   JP13
  speed    speed

  166MHz   66MHz       2.5x       5 &    1 &    1 &    2 &    1 &   2 & 3
                                  6     2, 3    2      3      2
                                        & 4

  200MHz   66MHz        3x        5 &    3 &    1 &    2 &    1 &   2 & 3
                                  6      4      2      3      2

  233MHz   66MHz       3.5x       5 &   Open    1 &    2 &    1 &   2 & 3
                                  6             2      3      2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

   CPU      Clock    Multiplier   JP1   JP6    JP10   JP11    JP12   JP13
  speed    speed

  75MHz    50MHz       1.5x       3 &   Open    1 &    2 &    2 &    2 &
                                  4,            2      3       3      3
                                  7 &
                                  8

  90MHz    60MHz       1.5x       3 &   Open    1 &    1 &    2 &    2 &
                                  4,            2      2       3      3
                                  5 &
                                  6

  100MHz   66MHz       1.5x       5 &   Open    1 &    2 &    1 &    2 &
                                  6             2      3       2      3

  120MHz   60MHz        2x        3 &    1 &    1 &    1 &    2 &    2 &
                                  4,     2      2      2       3      3
                                  5 &
                                  6

  133MHz   66MHz        2x        5 &    1 &    1 &    2 &    1 &    2 &
                                  6      2      2      3       2      3

  150MHz   60MHz       2.5x       3 &    1 &    1 &    1 &    2 &    2 &
                                  4,    2, 3    2      2       3      3
                                  5 &   & 4
                                  6

  166MHz   66MHz       2.5x       5 &    1 &    1 &    2 &    1 &    2 &
                                  6     2, 3    2      3       2      3
                                        & 4

  200MHz   66MHz        3x        5 &    3 &    1 &    2 &    1 &    2 &
                                  6      4      2      3       2      3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

   CPU      Clock    Multiplier   JP1   JP6    JP10   JP11   JP12   JP13
  speed    speed

  166MHz   66MHz       2.5x       5 &    1 &    1 &    2 &    1 &   2 & 3
                                  6     2, 3    2      3      2
                                        & 4

  200MHz   66MHz        3x        5 &    3 &    1 &    2 &    1 &   2 & 3
                                  6      4      2      3      2

  233MHz   66MHz       3.5x       5 &   Open    1 &    2 &    1 &   2 & 3
                                  6             2      3      2

  Note: Pins designated should be in the closed position.

  CPU TYPE SELECTION

   Type        JP5

    AMD        Open

   Cyrix      Closed

    IBM       Closed

   Intel       Open

                           CPU VOLTAGE SELECTION

       Voltage              JP3              JP14              JP15

        3.5v               Open          1 & 2, 3 & 4          Open

        3.3v               Open          1 & 2, 3 & 4         3 & 4

        3.2v           1 & 2, 3 & 4          Open          1 & 2, 3 & 4

        3.1v           1 & 2, 3 & 4          Open             5 & 6

        3.0v           1 & 2, 3 & 4          Open          1 & 2, 5 & 6

        2.9v           1 & 2, 3 & 4          Open          3 & 4, 5 & 6

        2.8v           1 & 2, 3 & 4          Open         1 & 2, 3 & 4, 5
                                                               & 6

        2.7v           1 & 2, 3 & 4          Open             7 & 8

        2.6v           1 & 2, 3 & 4          Open          1 & 2, 7 & 8

        2.5v           1 & 2, 3 & 4          Open          3 & 4, 7 & 8

  Note: Pins designated should be in the closed position.

