
DIAMOND FLOWER, INC.

586ITX (REV. A+)

Device Type          Mainboard
Processor            AM K5/AM K6/Pentium
Processor Speed      90/100/120/133/150/166/200/233MHz
Chip Set             Intel
Video Chip Set       None
Maximum Onboard      256MB (EDO & SDRAM supported)
Memory
Maximum Video Memory None
Cache                512KB
BIOS                 Award
Dimensions           305mm x 230mm
I/O Options          32-bit PCI slots (4), floppy drive interface, green PC
                     connector, IDE interfaces (2), parallel port, PS/2
                     mouse port, serial ports (2), IR connector, USB
                     connectors (2), ATX power connector
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  ATX power connector        ATX       Reset switch               J10C

  Serial port 1              CN1       Green PC connector         J10D

  Floppy drive interface     CN2       Soft off power supply      J10E

  Serial port 2              CN3       Green PC LED               J10F

  IR connector               CN4       IDE interface LED          J10G

  PS/2 mouse port            CN6       ATX power supply LED       J10H

  Parallel port              CN7       USB connector 1            JP8

  IDE interface 1             J7       USB connector 2            JP9

  IDE interface 2             J8       Chassis fan power          JP19

  Power LED & keylock        J10A      32-bit PCI slots         PC1  PC4

  Speaker                    J10B

                        USER CONFIGURABLE SETTINGS

                Function                     Label          Position

     CMOS memory normal operation            JP7            Closed

      CMOS memory clear                       JP7             Open

     Factory configured - do not            JP14       Pins 5 & 6, 7 & 8
      alter                                                  closed

     Factory configured - do not            JP18       Pins 1 & 3, 4 & 6
      alter                                                  closed

     Factory configured - do not            JP22             Open
      alter

     Factory configured - do not            JP23             Open
      alter

             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

          SIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

      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

     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.

               DIMM CONFIGURATION

      Size          Bank 2          Bank 3

      8MB         (1) 1M x 64        None

      16MB        (1) 2M x 64        None

      16MB        (1) 1M x 64     (1) 1M x 64

      24MB        (1) 2M x 64     (1) 1M x 64

      32MB        (1) 4M x 64        None

      32MB        (1) 2M x 64     (1) 2M x 64

      40MB        (1) 4M x 64     (1) 1M x 64

      48MB        (1) 4M x 64     (1) 2M x 64

      64MB        (1) 8M x 64        None

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

      72MB        (1) 8M x 64     (1) 1M x 64

      80MB        (1) 8M x 64     (1) 2M x 64

      96MB        (1) 8M x 64     (1) 4M x 64

     128MB       (1) 16M x 64        None

     128MB        (1) 8M x 64     (1) 8M x 64

     136MB       (1) 16M x 64     (1) 1M x 64

     144MB       (1) 16M x 64     (1) 2M x 64

     160MB       (1) 16M x 64     (1) 4M x 64

     192MB       (1) 16M x 64     (1) 8M x 64

     256MB       (1) 16M x 64    (1) 16M x 64

            Note: Board accepts SDRAM memory.

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     512KB        (2) 64K x 32   Unidentified

                        CPU SPEED SELECTION (AM K5)

  CPU speed       Clock      Multiplier      JP1       JP2        JP20
                 speed

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

  CPU speed       Clock      Multiplier      JP1        JP2        JP20
                  speed

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

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

    233MHz        66MHz         3.5x        1 & 2      1 & 2       Open

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

  CPU speed       Clock      Multiplier      JP1       JP2        JP20
                 speed

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

  CPU speed       Clock      Multiplier      JP1        JP2        JP20
                  speed

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

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

    233MHz        66MHz         3.5x        1 & 2      1 & 2       Open

  Note: Pins designated should be in the closed position.

                      CPU VOLTAGE SELECTION (SINGLE)

               Voltage                                JP15

                  3.3v                         Pins 3 & 4 closed

                   3.5v                         Pins 1 & 2 closed

                       CPU VOLTAGE SELECTION (DUAL)

               Voltage                                JP13

                   2.8v                         Pins 7 & 8 closed

                   2.9v                         Pins 5 & 6 closed

                   3.2v                        Pins 9 & 10 closed

                  3.3v                         Pins 3 & 4 closed

                   3.5v                         Pins 1 & 2 closed

                          MODEM ON RING SELECTION

                Setting                                JP21

                    COM1                         Pins 1 & 2 closed

                    COM2                         Pins 2 & 3 closed

                 Disabled                             Open

