
DIAMOND FLOWER, INC.

586STC (REV. A+)

Device Type          Mainboard
Processor            CX 6X86L/IBM 6X86L/AM K5/Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             SIS
Video Chip Set       None
Maximum Onboard      256MB (EDO supported)
Memory
Maximum Video Memory None
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) 16M x 36       None

          SIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

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

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

     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 speed       Clock       Multiplier      JP1        JP6        JP7
                  speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                   CPU SPEED SELECTION (CX 6X86, CONT)

    CPU        Clock     Multiplier     JP10     JP11     JP12      JP13
   speed      speed

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

  150MHz      60MHz          2x        1 & 2    1 & 2     2 & 3    2 & 3

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86)

  CPU speed       Clock       Multiplier      JP1        JP6        JP7
                  speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                   CPU SPEED SELECTION (IBM 6X86, CONT)

    CPU        Clock     Multiplier     JP10     JP11     JP12      JP13
   speed      speed

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

  150MHz      60MHz          2x        1 & 2    1 & 2     2 & 3    2 & 3

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

  CPU speed       Clock       Multiplier      JP1        JP6        JP7
                  speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                   CPU SPEED SELECTION (CX 6X86L, CONT)

    CPU        Clock     Multiplier     JP10     JP11     JP12      JP13
   speed      speed

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

  150MHz      60MHz          2x        1 & 2    1 & 2     2 & 3    2 & 3

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86L)

  CPU speed       Clock       Multiplier      JP1        JP6        JP7
                  speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                  CPU SPEED SELECTION (IBM 6X86L, CONT)

    CPU        Clock     Multiplier     JP10     JP11     JP12      JP13
   speed      speed

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

  150MHz      60MHz          2x        1 & 2    1 & 2     2 & 3    2 & 3

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

  CPU speed       Clock       Multiplier      JP1        JP6        JP7
                  speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                    CPU SPEED SELECTION (AM K5, CONT)

    CPU        Clock     Multiplier     JP10     JP11     JP12      JP13
   speed      speed

   75MHz      50MHz         1.5x       1 & 2    2 & 3     2 & 3    2 & 3

   90MHz      60MHz         1.5x       1 & 2    1 & 2     2 & 3    2 & 3

  100MHz      66MHz         1.5x       1 & 2    2 & 3     1 & 2    2 & 3

  120MHz      60MHz         1.5x       1 & 2    1 & 2     2 & 3    2 & 3

  133MHz      66MHz         1.5x       1 & 2    2 & 3     1 & 2    2 & 3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

  CPU speed       Clock       Multiplier      JP1        JP6        JP7
                  speed

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

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

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

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

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

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

    166MHz        66MHz          2.5x        5 & 6      2 & 3      2 & 3

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

  Note: Pins designated should be in the closed position.

                    CPU SPEED SELECTION (INTEL, CONT)

    CPU        Clock     Multiplier     JP10     JP11     JP12      JP13
   speed      speed

   75MHz      50MHz         1.5x       1 & 2    2 & 3     2 & 3    2 & 3

   90MHz      60MHz         1.5x       1 & 2    1 & 2     2 & 3    2 & 3

  100MHz      66MHz         1.5x       1 & 2    2 & 3     1 & 2    2 & 3

  120MHz      60MHz          2x        1 & 2    1 & 2     2 & 3    2 & 3

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

  150MHz      60MHz         2.5x       1 & 2    1 & 2     2 & 3    2 & 3

  166MHz      66MHz         2.5x       1 & 2    2 & 3     1 & 2    2 & 3

  200MHz      66MHz          3x        1 & 2    2 & 3     1 & 2    2 & 3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

  CPU speed    Clock speed    Multiplier      JP1        JP6       JP7

    166MHz        66MHz          2.5x        5 & 6      2 & 3     2 & 3

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

  Note: Pins designated should be in the closed position.

                  CPU SPEED SELECTION (INTEL MMX, CONT)

    CPU        Clock     Multiplier     JP10     JP11     JP12      JP13
   speed      speed

  166MHz      66MHz         2.5x       1 & 2    2 & 3     1 & 2    2 & 3

  200MHz      66MHz          3x        1 & 2    2 & 3     1 & 2    2 & 3

  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

          3.3v              Open         5 & 6, 7 & 8         3 & 4

           3.5v              Open         5 & 6, 7 & 8         1 & 2

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

           2.8v          1 & 2, 3 & 4,        Open             7 & 8
                            5 & 6

           2.7v          1 & 2, 3 & 4,        Open            9 & 10
                            5 & 6

  Note: Pins designated should be in the closed position.

