
M TECHNOLOGY, INC.

R527 PENTIUM PCI/ISA MTI-R527

Processor            CX M1/Pentium
Processor Speed      75/80/90/100/120/133/150/166MHz
Chip Set             SIS
Video Chip Set       None
Maximum Onboard      512MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256/512/1024KB
BIOS                 Award
Dimensions           280mm x 220mm
I/O Options          32-bit PCI slots (3), floppy drive interface, green
                     PC connector, IDE interfaces (2), parallel port, PS/2
                     mouse interface, serial ports (2), feature connector,
                     VGA interface
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 2              CN1       Power LED & keylock         J2

  Serial port 1              CN2       Speaker                     J3

  Floppy drive interface     CN3       Turbo switch                J4

  Parallel port              CN4       Turbo LED                   J5

  IDE interface 2            CN5       Reset switch                J6

  IDE interface 1            CN6       IDE interface LED 2         J7

  VGA interface              CN8       IDE interface LED 1         J8

  Feature connector          CN9       Green PC connector          J9

  PS/2 mouse interface        J1       32-bit PCI slots         PC1 - PC3

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

     Pipeline address enabled (only if         JP32         Pins 2 & 3
      burst cache is installed)                               closed

      Pipeline address disabled                 JP32         Pins 1 & 2
                                                              closed

     Cache type select write back              JP33         Pins 1 & 2
                                                              closed

      Cache type select write through           JP33         Pins 2 & 3
                                                              closed

     CMOS memory normal operation              JP36         Pins 1 & 2
                                                              closed

      CMOS memory clear                         JP36         Pins 2 & 3
                                                              closed

      Monitor type select CGA                   JP45          Closed

      Monitor type select                       JP45           Open
      EGA/VGA/monochrome

     Flash BIOS mode select normal             JP55         Pins 2 & 3
      operation                                               closed

      Flash BIOS mode select programming        JP55         Pins 1 & 2
      mode                                                    closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB         (2) 1M x 36          None

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

       8MB         (2) 1M x 36          None

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

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

      16MB         (2) 2M x 36          None

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

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

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

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

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

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

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

                    DRAM CONFIGURATION (CONT)

         Size                 Bank 0                Bank 1

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

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

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

         96MB              (2) 8M x 36            (2) 4M 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) 16M x 36          (2) 32M 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. Board also accepts x 32 SIMMs.

                            CACHE CONFIGURATION

      Size            Bank 0           Bank 1                TAG

    256KB (A)       (8) 32K x 8         None         (1) 8K/16K/32K x 8

    256KB (B)          None         (2) 32K x 32     (1) 8K/16K/32K x 8

      512KB         (8) 64K x 8         None           (1) 16K/32K x 8

       1MB         (8) 128K x 8         None             (1) 32K x 8

  Note: Board will be installed with either standard or burst cache. Both
  types will not be present.

                  CACHE JUMPER CONFIGURATION

        Size                 JP5                  JP6

      256KB (A)        Pins 1 & 2 closed   Pins 1 & 2 closed

      256KB (B)        Pins 1 & 2 closed   Pins 1 & 2 closed

        512KB          Pins 2 & 3 closed   Pins 1 & 2 closed

         1MB           Pins 2 & 3 closed   Pins 2 & 3 closed

                 CACHE VOLTAGE CONFIGURATION

       Voltage               JP2                  JP3

    Mixed voltage      Pins 1 & 2 closed   Pins 1 & 2 closed

        3.3v           Pins 2 & 3 closed   Pins 2 & 3 closed

                        CPU SPEED SELECTION (CYRIX)

    CPU       Clock       JP25       JP26       JP27      JP30     JP31
   speed      speed

   80MHz      40MHz      Closed      Open       Open     2 & 3     1 & 2

  100MHz      50MHz      Closed     Closed     Closed    2 & 3     1 & 2

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU        Clock     JP25       JP26       JP27      JP30      JP31
   speed      speed

   75MHz      50MHz      Open      Closed     Closed     1 & 2     1 & 2

   90MHz      60MHz      Open      Closed      Open      1 & 2     1 & 2

  100MHz      66MHz      Open       Open      Closed     1 & 2     1 & 2

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

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

  150MHz      50MHz      Open      Closed     Closed     1 & 2     2 & 3

  150MHz      60MHz      Open      Closed      Open      2 & 3     2 & 3

  166MHz      66MHz      Open       Open      Closed     2 & 3     2 & 3

  Note: Pins designated should be in the closed position.

                    CPU TYPE CONFIGURATION

             Type                            JP8

             Cyrix                    pins 1 & 2 closed

             Intel                    pins 2 & 3 closed

  Note: This setting only valid if burst cache is installed.

                     CPU VOLTAGE SELECTION

    Voltage          JP38            JP39            JP40

      3.3v          Closed           Open            Open

  3.45v - 3.6v       Open           Closed           Open

                         PS/2 MOUSE CONFIGURATION

      Setting         JP20       JP21       JP22       JP23       JP24

       Enabled       1 & 2      1 & 2      1 & 2      1 & 2      1 & 2

       Disabled      2 & 3      2 & 3      2 & 3      2 & 3      2 & 3

  Note: Pins designated should be in the closed position.

