
M TECHNOLOGY, INC.

R651 PENTIUM PRO

Processor                Pentium Pro
Processor Speed          150/166/180/200MHz
Chip Set                 Intel
Video Chip Set           None
Maximum Onboard Memory   1GB (BEDO/EDO supported)
Maximum Video Memory     None
Cache                    256/512KB (located on Pentium Pro CPU)
BIOS                     Award
Dimensions               304mm x 244mm
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), USB
                         connectors (2), ATX power connector
NPU Options              None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  ATX power connector        ATX       Speaker                     J2

  Serial port 2              CN1       Turbo switch                J3

  Parallel port              CN2       Turbo LED                   J4

  PS/2 mouse port            CN3       Reset switch                J5

  Serial port 1              CN4       Green PC connector          J6

  Floppy drive interface     CN5       IDE interface LED           J7

  IDE interface 2            CN6       32-bit PCI slots         PC1 - PC4

  IDE interface 1            CN7       USB connector 1            USB1

  Power LED & keylock         J1       USB connector 2            USB2

                        USER CONFIGURABLE SETTINGS

                Function                    Label          Position

      ATX power supply enabled               JP4            Closed

      ATX power supply disabled              JP4             Open

     Factory configured - do not            JP9         Unidentified
      alter

     Flash BIOS write protect              JP14       Pins 2 & 3 closed
      disabled

      Flash BIOS write protect enabled      JP14       Pins 1 & 2 closed

     CMOS memory normal operation          JP15             Open

      CMOS memory clear                     JP15            Closed

     Monitor type select                   JP16             Open
      monochrome/VGA

      Monitor type select CGA               JP16            Closed

      Flash BIOS voltage select 12v         JP17       Pins 2 & 3 closed

      Flash BIOS voltage select 5v          JP17       Pins 1 & 2 closed

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     8MB        (2) 1M x 36       None           None          None

     16MB       (2) 1M x 36   (2) 1M x 36        None          None

     16MB       (2) 2M x 36       None           None          None

     24MB       (2) 1M x 36   (2) 1M x 36    (2) 1M x 36       None

     24MB       (2) 1M x 36   (2) 2M x 36        None          None

     24MB       (2) 2M x 36   (2) 1M x 36        None          None

     32MB       (2) 1M x 36   (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     32MB       (2) 2M x 36   (2) 1M x 36    (2) 1M x 36       None

     32MB       (2) 2M x 36   (2) 2M x 36        None          None

     32MB       (2) 4M x 36       None           None          None

     40MB       (2) 1M x 36   (2) 2M x 36    (2) 2M x 36       None

     40MB       (2) 1M x 36   (2) 4M x 36        None          None

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

     40MB       (2) 4M x 36   (2) 1M x 36        None          None

     48MB       (2) 2M x 36   (2) 2M x 36    (2) 2M x 36       None

     48MB       (2) 2M x 36   (2) 4M x 36        None          None

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     48MB        (2) 4M x 36   (2) 1M x 36    (2) 1M x 36        None

     48MB        (2) 4M x 36   (2) 2M x 36        None           None

     56MB        (2) 1M x 36   (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     56MB        (2) 4M x 36   (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     64MB        (2) 4M x 36   (2) 2M x 36    (2) 2M x 36        None

     64MB        (2) 4M x 36   (2) 4M x 36        None           None

     64MB        (2) 8M x 36       None           None           None

     72MB        (2) 1M x 36   (2) 4M x 36    (2) 4M x 36        None

     72MB        (2) 1M x 36   (2) 8M x 36        None           None

     72MB        (2) 8M x 36   (2) 1M x 36        None           None

     80MB        (2) 2M x 36   (2) 4M x 36    (2) 4M x 36        None

     80MB        (2) 2M x 36   (2) 8M x 36        None           None

     80MB        (2) 4M x 36   (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     80MB        (2) 8M x 36   (2) 1M x 36    (2) 1M x 36        None

     80MB        (2) 8M x 36   (2) 2M x 36        None           None

     88MB        (2) 8M x 36   (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     96MB        (2) 4M x 36   (2) 4M x 36    (2) 4M x 36        None

     96MB        (2) 4M x 36   (2) 8M x 36        None           None

     96MB        (2) 8M x 36   (2) 2M x 36    (2) 2M x 36        None

     96MB        (2) 8M x 36   (2) 4M x 36        None           None

     104MB       (2) 1M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     112MB       (2) 2M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     112MB       (2) 8M x 36   (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     128MB       (2) 4M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     128MB       (2) 8M x 36   (2) 4M x 36    (2) 4M x 36        None

     128MB       (2) 8M x 36   (2) 8M x 36        None           None

     128MB       (2) 16M x 36      None           None           None

     136MB       (2) 1M x 36   (2) 8M x 36    (2) 8M x 36        None

     136MB       (2) 16M x 36  (2) 1M x 36        None           None

     144MB       (2) 2M x 36   (2) 8M x 36    (2) 8M x 36        None

     144MB       (2) 2M x 36   (2) 16M x 36       None           None

     144MB       (2) 16M x 36  (2) 1M x 36    (2) 1M x 36        None

     144MB       (2) 16M x 36  (2) 2M x 36        None           None

     152MB       (2) 16M x 36  (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     160MB       (2) 4M x 36   (2) 8M x 36    (2) 8M x 36        None

     160MB       (2) 4M x 36   (2) 16M x 36       None           None

     160MB       (2) 8M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     160MB       (2) 16M x 36  (2) 2M x 36    (2) 2M x 36        None

     160MB       (2) 16M x 36  (2) 4M x 36        None           None

     176MB       (2) 16M x 36  (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     192MB       (2) 8M x 36   (2) 8M x 36    (2) 8M x 36        None

     192MB       (2) 8M x 36   (2) 16M x 36       None           None

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1        Bank 2          Bank 3

     192MB        (2) 16M x     (2) 4M x 36   (2) 4M x 36        None
                     36

     192MB        (2) 16M x     (2) 8M x 36      None            None
                     36

     200MB       (2) 1M x 36    (2) 8M x 36   (2) 8M x 36    (2) 8M x 36

     208MB       (2) 2M x 36    (2) 8M x 36   (2) 8M x 36    (2) 8M x 36

     224MB       (2) 4M x 36    (2) 8M x 36   (2) 8M x 36    (2) 8M x 36

     224MB        (2) 16M x     (2) 4M x 36   (2) 4M x 36    (2) 4M x 36
                     36

     256MB       (2) 8M x 36    (2) 8M x 36   (2) 8M x 36    (2) 8M x 36

     256MB        (2) 32M x        None          None            None
                     36

     256MB        (2) 16M x     (2) 8M x 36   (2) 8M x 36        None
                     36

     256MB        (2) 16M x      (2) 16M x       None            None
                     36             36

     264MB       (2) 1M x 36     (2) 16M x     (2) 16M x         None
                                    36            36

     264MB        (2) 32M x     (2) 1M x 36      None            None
                     36

     272MB       (2) 2M x 36     (2) 16M x     (2) 16M x         None
                                    36            36

     272MB        (2) 32M x     (2) 1M x 36   (2) 1M x 36        None
                     36

     272MB        (2) 32M x     (2) 2M x 36      None            None
                     36

     280MB        (2) 32M x     (2) 1M x 36   (2) 1M x 36    (2) 1M x 36
                     36

     288MB       (2) 4M x 36     (2) 16M x     (2) 16M x         None
                                    36            36

     288MB        (2) 32M x     (2) 2M x 36   (2) 2M x 36        None
                     36

     288MB        (2) 32M x     (2) 4M x 36      None            None
                     36

     304MB        (2) 32M x     (2) 2M x 36   (2) 2M x 36    (2) 2M x 36
                     36

     320MB       (2) 8M x 36     (2) 16M x     (2) 16M x         None
                                    36            36

     320MB        (2) 32M x     (2) 4M x 36   (2) 4M x 36        None
                     36

     320MB        (2) 32M x     (2) 8M x 36      None            None
                     36

     320MB        (2) 16M x     (2) 8M x 36   (2) 8M x 36    (2) 8M x 36
                     36

     352MB        (2) 32M x     (2) 4M x 36   (2) 4M x 36    (2) 4M x 36
                     36

     384MB        (2) 32M x     (2) 8M x 36   (2) 8M x 36        None
                     36

     384MB        (2) 32M x      (2) 16M x       None            None
                     36             36

     384MB        (2) 16M x      (2) 16M x     (2) 16M x         None
                     36             36            36

     392MB       (2) 1M x 36     (2) 16M x     (2) 16M x     (2) 16M x 36
                                    36            36

     400MB       (2) 2M x 36     (2) 16M x     (2) 16M x     (2) 16M x 36
                                    36            36

     416MB       (2) 4M x 36     (2) 16M x     (2) 16M x     (2) 16M x 36
                                    36            36

     448MB       (2) 8M x 36     (2) 16M x     (2) 16M x     (2) 16M x 36
                                    36            36

     448MB        (2) 32M x     (2) 8M x 36   (2) 8M x 36    (2) 8M x 36
                     36

     512MB        (2) 32M x      (2) 16M x     (2) 16M x         None
                     36             36            36

     512MB        (2) 32M x      (2) 32M x       None            None
                     36             36

     512MB        (2) 16M x      (2) 16M x     (2) 16M x     (2) 16M x 36
                     36             36            36

     640MB        (2) 32M x      (2) 16M x     (2) 16M x     (2) 16M x 36
                     36             36            36

     768MB        (2) 32M x      (2) 32M x     (2) 32M x         None
                     36             36            36

      1GB         (2) 32M x      (2) 32M x     (2) 32M x     (2) 32M x 36
                     36             36            36

            Note: Board accepts BEDO/EDO memory. Board also accepts x 32
            SIMMs. Banks are interchangeable.

                      CACHE CONFIGURATION

  Note: 256KB/512KB cache is located on the Pentium Pro CPU.

                            CPU SPEED SELECTION

    CPU      Clock    Multiplier     JP1       JP2       JP7        JP8
  speed     speed

  150MHz    60MHz        2.5x        Open     Closed     Open     Closed

  166MHz    66MHz        2.5x       Closed     Open     Closed     Open

  180MHz    60MHz         3x         Open     Closed     Open     Closed

  200MHz    66MHz         3x        Closed     Open     Closed     Open

                        CPU SPEED SELECTION (CONT)

    CPU      Clock    Multiplier     JP10      JP11      JP12      JP13
  speed     speed

  150MHz    60MHz        2.5x        Open     Closed    Closed    Closed

  166MHz    66MHz        2.5x        Open     Closed    Closed    Closed

  180MHz    60MHz         3x        Closed     Open     Closed    Closed

  200MHz    66MHz         3x        Closed     Open     Closed    Closed

