
M TECHNOLOGY, INC.

R528 PENTIUM PCI/ISA

Processor           CX M1/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            Intel
Video Chip Set      None
Maximum Onboard     512MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award
Dimensions          330mm x 218mm
I/O Options         32-bit PCI slots (3), floppy drive interface, green PC
                    connector, IDE interfaces (2), SCSI connector, parallel
                    port, PS/2 mouse interface, serial ports (2), cache
                    slot, USB connectors (2), sound adapter connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 2              CN1       Reset switch                J3

  Serial port 1              CN2       PS/2 mouse interface        J4

  Floppy drive interface     CN3       Green PC connector          J5

  Parallel port              CN4       IDE interface LED           J6

  IDE interface 1            CN5       SCSI interface LED         JP1

  IDE interface 2            CN6       32-bit PCI slots         PC1 - PC3

  SCSI interface             CN7       Cache slot                 SL1

  Sound adapter              CN8       USB connector 1            USB1
  connector

  Power LED & keylock         J1       USB connector 2            USB2

  Speaker                     J2

  Note: CN7 & CN8 are optional and may not be present on all boards.

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     PS/2 mouse enabled                      JP29          Pins 1 & 2
                                                              closed

      PS/2 mouse disabled                     JP29          Pins 2 & 3
                                                              closed

     CMOS memory normal operation            JP38          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP38          Pins 2 & 3
                                                              closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       4MB        (2) 512K x 36         None

       4MB        (2) 256K x 36    (2) 256K x 36

       6MB        (2) 512K x 36    (2) 256K x 36

       6MB        (2) 256K x 36    (2) 512K x 36

       8MB         (2) 1M x 36          None

       8MB        (2) 512K x 36    (2) 512K x 36

      10MB         (2) 1M x 36     (2) 256K x 36

      12MB        (2) 512K x 36     (2) 1M x 36

      16MB         (2) 2M x 36          None

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

      18MB         (2) 2M x 36     (2) 256K x 36

      20MB        (2) 512K x 36     (2) 2M x 36

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

      32MB         (2) 4M x 36          None

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

                     DRAM CONFIGURATION (CONT)

         Size                  Bank 0                 Bank 1

         34MB              (2) 256K x 36           (2) 4M x 36

         36MB               (2) 4M x 36           (2) 512K x 36

         40MB               (2) 1M x 36            (2) 4M x 36

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

         64MB               (2) 8M x 36                None

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

         66MB              (2) 256K x 36           (2) 8M x 36

         68MB               (2) 8M x 36           (2) 512K x 36

         72MB               (2) 1M x 36            (2) 8M x 36

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

         96MB               (2) 4M x 36            (2) 8M x 36

         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

         264MB              (2) 32M x 36           (2) 1M x 36

         272MB              (2) 32M x 36           (2) 2M x 36

         288MB              (2) 32M x 36           (2) 4M x 36

         320MB              (2) 32M x 36           (2) 8M x 36

         384MB              (2) 32M x 36           (2) 16M x 36

         512MB              (2) 32M x 36           (2) 32M x 36

  Note: Board accepts EDO memory. Banks 0 & 1 are interchangeable.

                            CACHE CONFIGURATION

       Size            Bank 0            TAG                 SL1

      256KB         (2) 32K x 32     (1) 32K x 8        Not installed

      512KB         (2) 32K x 32     (1) 32K x 8         256KB module
                                                          installed

                           CPU SPEED SELECTION (CYRIX)

   CPU     Clock   Multiplier    JP16     JP17     JP18    JP42   JP43     JP44
  speed    speed

  120MHz   50MHz       2x        Open    Closed    Open    Open   Closed   Open

  133MHz   55MHz       2x       Closed   Closed   Closed   Open   Closed   Open

  150MHz   60MHz       2x       Closed    Open     Open    Open   Closed   Closed

  166MHz   66MHz       2x        Open     Open     Open    Open   Closed   Open

                           CPU SPEED SELECTION (INTEL)

   CPU     Clock   Multiplier    JP16     JP17    JP18   JP42     JP43     JP44
  speed    speed

  75MHz    50MHz      1.5x       Open    Closed   Open   Open     Open     Open

  90MHz    60MHz      1.5x      Closed    Open    Open   Open     Open     Closed

  100MHz   66MHz      1.5x       Open     Open    Open   Open     Open     Open

  120MHz   60MHz       2x       Closed    Open    Open   Open     Closed   Closed

  133MHz   66MHz       2x        Open     Open    Open   Open     Closed   Open

  150MHz   60MHz      2.5x      Closed    Open    Open   Closed   Closed   Closed

  166MHz   66MHz      2.5x       Open     Open    Open   Closed   Closed   Open

  180MHz   60MHz       3x       Closed    Open    Open   Closed   Open     Closed

  200MHz   66MHz       3x        Open     Open    Open   Closed   Open     Open

                           CPU VOLTAGE SELECTION

  CPU type     Voltage 1     Voltage 2    JP40        JP45        JP46

  P54C/CX M1      3.3v         N/A       1 & 2, 3    Closed       Open
                                         & 4, 5 &
                                            6

  P54C/CX M1     3.45v         N/A       1 & 2, 3     Open       Closed
                                         & 4, 5 &
                                            6

  P54C/CX M1      3.5v         N/A       1 & 2, 3     Open        Open
                                         & 4, 5 &
                                            6

    P55C          3.3v         2.5v       Open       Closed       Open

    P55C         3.45v         2.7v       Open        Open       Closed

    P55C          3.5v         2.8v       Open        Open        Open

  Note: Pins designated should be in the closed position.

                       CPU VOLTAGE SELECTION (CONT)

  CPU type    Voltage    Voltage    JP47      JP48       JP49      JP50
                1          2

  P54C/CX      3.3v       N/A       Open       N/A       N/A       N/A
    M1

  P54C/CX     3.45v       N/A       Open       N/A       N/A       N/A
    M1

  P54C/CX      3.5v       N/A      Closed      N/A       N/A       N/A
    M1

   P55C        3.3v       2.5v      Open     Closed      Open      Open

   P55C       3.45v       2.7v      Open      Open      Closed     Open

   P55C        3.5v       2.8v     Closed     Open       Open     Closed

                     FLASH BIOS SELECTION

       Setting               JP36                 JP37

     Flash mode        Pins 1 & 2 closed   Pins 1 & 2 closed

   +5v flash BIOS      Pins 2 & 3 closed   Pins 1 & 2 closed

   +12v flash BIOS     Pins 2 & 3 closed   Pins 2 & 3 closed

