M TECHNOLOGIES, INC.

R512 PENTIUM PCI

Processor         Pentium
Processor Speed   60/66MHz
Chip Set          SIS
Max. Onboard DRAM 128MB
Cache             256/512/1024/2048KB
BIOS              Award
Dimensions        330mm x 218mm
I/O Options       32-bit PCI slots (4), green PC connector
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Power LED & keylock        J1       Reset switch                 J5

  Speaker                    J2       Green PC connector           J6

  Turbo switch               J3       Green PC connector          JP6

  Turbo LED                  J4       32-bit PCI slots          PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Factory configured - do not             JP16             N/A
      alter

  »   Factory configured - do not             JP18             N/A
      alter

  »   Pipeline mode disabled                  JP20          pins 1 & 2
                                                              closed

      Pipeline mode enabled                   JP20          pins 2 & 3
                                                              closed

  »   Monitor type select monochrome          JP24             Open

      Monitor type select EGA/VGA             JP24            Closed

  »   Factory configured - do not             JP25             N/A
      alter

  »   Factory configured - do not             JP26             N/A
      alter

  »   CMOS memory normal operation            JP28          pins 1 & 2
                                                              closed

      CMOS memory clear                       JP28          pins 2 & 3
                                                              closed

           DRAM CONFIGURATION (MODE 1)

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         NONE

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

       8MB         (2) 1M x 36          NONE

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

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

      32MB         (2) 4M x 36          NONE

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

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

           DRAM CONFIGURATION (MODE 2)

      Size            Bank 0           Bank 1

       4MB        (2) 512K x 36         NONE

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

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

      16MB         (2) 2M x 36          NONE

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

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

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

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

      64MB         (2) 8M x 36          NONE

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

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

                         DRAM JUMPER CONFIGURATION

         Type                     JP1                       JP2

        Mode 1             pins 1 & 2 closed         pins 1 & 2 closed

        Mode 2             pins 2 & 3 closed         pins 2 & 3 closed

            Note: Mode 1 = Single sided SIMM in Bank 0 & single or double
            sided SIMM in Bank 1. Mode 2 = Double sided SIMM in Bank 0 &
            single or double sided SIMM in Bank 1.

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

     256KB        (8) 32K x 8        NONE        (1) 32K x 8

     512KB        (8) 32K x 8     (8) 32K x 8    (1) 32K x 8

     512KB        (8) 64K x 8        NONE        (1) 32K x 8

      1MB         (8) 64K x 8     (8) 64K x 8    (1) 32K x 8

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

      2MB        (8) 128K x 8    (8) 128K x 8    (1) 64K x 8

                        CACHE JUMPER CONFIGURATION

   Size       JP10       JP11      JP12      JP13       JP14       JP15

   256KB      1 & 2     1 & 2      1 & 2     1 & 2     2 & 3     1 & 2, 3
                                                                   & 4

   512KB      2 & 3     1 & 2      1 & 2     2 & 3     2 & 3     2 & 3, 4
                                                                   & 5

   512KB      2 & 3     1 & 2      1 & 2     1 & 2     1 & 2     1 & 2, 3
                                                                   & 4

    1MB       2 & 3     2 & 3      1 & 2     2 & 3     2 & 3     2 & 3, 4
                                                                   & 5

    1MB       2 & 3     2 & 3      1 & 2     1 & 2     2 & 3     1 & 2, 3
                                                                   & 4

    2MB       2 & 3     2 & 3      2 & 3     2 & 3     2 & 3     2 & 3, 4
                                                                   & 5

  Note: Pins designated should be in the closed position.

  CPU SPEED CONFIGURATION

    Speed          JP22

    60MHz          Open

    66MHz         Closed