
M TECHNOLOGY, INC.

R653 PHANTOM

Device Type                 Mainboard
Processor                   Pentium II
Processor Speed             233/266MHz
Chip Set                    Intel
Video Chip Set              None
Maximum Onboard Memory      384MB (EDO supported)
Maximum Video Memory        None
Cache                       256/512KB (located on Pentium II 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), IR connector, USB connectors (2), ATX
                            power connector
NPU Options                 None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  ATX power connector        ATX       PS/2 mouse port            CN3

  Power LED & keylock         C1       Serial port 1              CN4

  Speaker                     C2       Floppy drive               CN5
                                       interface

  Turbo switch                C3       IDE interface 1            CN6

  Turbo LED                   C4       IDE interface 2            CN7

  Reset switch                C5       CPU fan power              FAN

  IDE interface LED           C6       IR connector               IR1

  Green PC connector          C7       32-bit PCI slots         PC1  PC4

  Soft off power supply       C8       USB connector 1            USB1

  Serial port 2              CN1       USB connector 2            USB2

  Parallel port              CN2

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP10          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP10          Pins 2 & 3
                                                              closed

      Flash BIOS voltage select 5v            JP11          Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 12v           JP11          Pins 2 & 3
                                                              closed

                    SIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (2) 1M x 36        None          None

     16MB       (2) 2M x 36        None          None

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

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

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

     32MB       (2) 4M x 36        None          None

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

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

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

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

     48MB       (2) 4M x 36    (2) 1M x 36    (2) 1M x 36

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

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

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

     64MB       (2) 8M x 36        None          None

                  SIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1          Bank 2

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

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

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

      72MB        (2) 4M x 36     (2) 4M x 36    (2) 1M x 36

      80MB        (2) 8M x 36     (2) 1M x 36    (2) 1M x 36

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

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

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

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

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

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

     104MB        (2) 8M x 36     (2) 4M x 36    (2) 1M x 36

     112MB        (2) 8M x 36     (2) 4M x 36    (2) 2M x 36

     128MB       (2) 16M x 36        None            None

     128MB        (2) 8M x 36     (2) 4M x 36    (2) 4M x 36

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

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

     136MB        (2) 8M x 36     (2) 8M x 36    (2) 1M x 36

     144MB       (2) 16M x 36     (2) 1M x 36    (2) 1M x 36

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

     144MB        (2) 8M x 36     (2) 8M x 36    (2) 2M x 36

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

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

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

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

     168MB       (2) 16M x 36     (2) 4M x 36    (2) 1M x 36

     176MB       (2) 16M x 36     (2) 4M x 36    (2) 2M x 36

     192MB       (2) 16M x 36     (2) 4M x 36    (2) 4M x 36

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

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

     200MB       (2) 16M x 36     (2) 8M x 36    (2) 1M x 36

     208MB       (2) 16M x 36     (2) 8M x 36    (2) 2M x 36

     224MB       (2) 16M x 36     (2) 8M x 36    (2) 4M x 36

     256MB       (2) 16M x 36     (2) 8M x 36    (2) 8M x 36

     384MB       (2) 16M x 36    (2) 16M x 36    (2) 16M x 36

  Note: Board accepts EDO memory.

                     CACHE CONFIGURATION

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

                            CPU SPEED SELECTION

    CPU       Clock    Multiplier     JP1       JP2       JP3       JP4
   speed     speed

  233MHz     66MHz        3.5x        Open    Closed     Closed     Open

  266MHz     66MHz         4x         Open    Closed     Closed     Open

                        CPU SPEED SELECTION (CONT)

    CPU      Clock    Multiplier     JP5       JP6       JP7        JP8
  speed     speed

  233MHz    66MHz        3.5x        Open      Open     Closed    Closed

  266MHz    66MHz         4x        Closed    Closed     Open     Closed

