
BCM ADVANCED RESEARCH, INC.

FR550

Processor          CX 6X86/CX M2/AM K5/AM K6/Pentium
Processor Speed    90/100/120/133/150/166/180/200/233MHz
Chip Set           Intel
Video Chip Set     None
Maximum Onboard    256MB (EDO supported)
Memory
Maximum Video      None
Memory
Cache              256/512KB
BIOS               Award
Dimensions         305mm x 190mm
I/O Options        32-bit PCI slots (4), floppy drive interface, IDE
                   interfaces (2), parallel port, PS/2 mouse port, serial
                   ports (2), IR connector, USB connector, ATX power
                   connector
NPU Options        None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  ATX power connector        ATX       Chassis fan power           J7

  Serial port 1              CN1       IR connector               J11

  Parallel port              CN2       IDE interface LED          J12

  PS/2 mouse port            CN3       Power LED & keylock        J13

  2Serial port 1             CN4       Reset switch               J16

  Floppy drive interface     CN5       Speaker                    J17

  IDE interface 1            CN6       External battery           J18

  IDE interface 2            CN7       Soft off power supply      JP9

  USB connector              CN8       32-bit PCI slots         PC1  PC4

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J10          Unidentified
      alter

     Factory configured - do not           JP1          Unidentified
      alter

     Factory configured - do not           JP7          Unidentified
      alter

     CMOS memory normal operation          JP8              Open

      CMOS memory clear                     JP8             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

        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. Banks are interchangeable.

             DIMM CONFIGURATION

     Size          Bank 0        Bank 1

      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) 8M x 64   (1) 8M x 64

      CACHE CONFIGURATION

      Size          Bank 0

     256KB       (2) 32K x 32

     512KB       (2) 64K x 32

                       CPU SPEED SELECTION (CX 6X86)

  CPU speed      Clock      Multiplier      JP2         JP3         JP6
                 speed

   150MHz        60MHz          2x          Open       Closed      2 & 3

   166MHz        66MHz          2x          Open       Closed      1 & 2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (CX M2)

  CPU speed      Clock     Multiplier       JP2          JP3        JP6
                speed

   166MHz       66MHz         2.5x         Closed       Closed     1 & 2

   180MHz       60MHz          3x          Closed        Open      2 & 3

   200MHz       66MHz          3x          Closed        Open      1 & 2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

  CPU speed      Clock     Multiplier       JP2          JP3        JP6
                speed

    90MHz       60MHz         1.5x          Open         Open      2 & 3

   100MHz       66MHz         1.5x          Open         Open      1 & 2

   120MHz       60MHz          2x           Open        Closed     2 & 3

   133MHz       66MHz          2x           Open        Closed     1 & 2

   166MHz       66MHz         2.5x         Closed       Closed     1 & 2

   200MHz       66MHz          3x          Closed        Open      1 & 2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

  CPU speed      Clock     Multiplier       JP2          JP3        JP6
                speed

   166MHz       66MHz         2.5x         Closed       Closed     1 & 2

   200MHz       66MHz          3x          Closed        Open      1 & 2

   233MHz       66MHz         3.5x          Open         Open      1 & 2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

  CPU speed      Clock     Multiplier       JP2          JP3        JP6
                speed

    90MHz       60MHz         1.5x          Open         Open      2 & 3

   100MHz       66MHz         1.5x          Open         Open      1 & 2

   120MHz       60MHz          2x           Open        Closed     2 & 3

   133MHz       66MHz          2x           Open        Closed     1 & 2

   150MHz       60MHz         2.5x         Closed       Closed     2 & 3

   166MHz       66MHz         2.5x         Closed       Closed     1 & 2

   180MHz       60MHz          3x          Closed        Open      2 & 3

   200MHz       66MHz          3x          Closed        Open      1 & 2

   233MHz       66MHz         3.5x          Open         Open      1 & 2

  Note: Pins designated should be in the closed position.

                      CPU VOLTAGE SELECTION (SINGLE)

         Voltage                   JP4                      JP5

          3.38v              Pins 1 & 3, 2 & 4       Pins 5 & 6 closed
                                  closed

          3.5v               Pins 1 & 3, 2 & 4       Pins 7 & 8 closed
                                  closed

                       CPU VOLTAGE SELECTION (DUAL)

      Voltage           V core             JP4                 JP5

       3.3v              2.8v         Pins 3 & 5, 4 &         Open
                                         6 closed

       3.3v              2.9v         Pins 3 & 5, 4 &   Pins 1 & 2 closed
                                         6 closed

       3.3v              3.2v         Pins 3 & 5, 4 &   Pins 3 & 4 closed
                                         6 closed

