
M TECHNOLOGY, INC.

R407 VESA 486

Processor  80486SX/CX486DX/80486DX/CX486DX2/80486DX2/80486DX4/P24D/Pentium
           Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   Unidentified
Max.       128MB
Onboard
DRAM
Cache      64/128/256/512/1024KB
BIOS       AMI
Dimensions 330mm x 218mm
I/O        32-bit VESA local bus slots (3), green PC connector
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  External battery           J2       Reset switch                 J7

  Power LED & keylock        J3       Green PC connector           J8

  Speaker                    J4       Bus mouse port              JP60

  Turbo switch               J5       Green PC connector          JP61

  Turbo LED                  J6       Green PC connector        SL1 - SL3

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

     Factory configured - do not alter         JP43            N/A

     CMOS memory normal operation              JP50         pins 1 & 2
                                                               closed

      CMOS memory clear                         JP50         pins 2 & 3
                                                               closed

     Monitor type select CGA                   JP62           Closed

      Monitor type select                       JP62            Open
      monochrome/EGA/VGA

                        DRAM CONFIGURATION (MODE 1)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

      1MB        (4) 256K x 9      NONE           NONE           NONE

      2MB        (4) 256K x 9   (4) 256K x 9      NONE           NONE

      4MB        (4) 1M x 9        NONE           NONE           NONE

      5MB        (4) 256K x 9   (4) 1M x 9        NONE           NONE

      6MB        (4) 256K x 9   (4) 256K x 9   (1) 1M x 36       NONE

      8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     10MB        (4) 256K x 9   (4) 256K x 9   (1) 1M x 36   (1) 1M x 36

     12MB        (4) 1M x 9     (4) 1M x 9     (1) 1M x 36       NONE

     16MB        (4) 1M x 9     (4) 1M x 9     (1) 1M x 36   (1) 1M x 36

     16MB        (4) 4M x 9        NONE           NONE           NONE

     17MB        (4) 256K x 9   (4) 4M x 9        NONE       (1) 1M x 36

     18MB        (4) 256K x 9   (4) 256K x 9   (1) 4M x 36       NONE

     20MB        (4) 1M x 9     (4) 4M x 9        NONE           NONE

     24MB        (4) 1M x 9     (4) 1M x 9     (1) 4M x 36       NONE

     32MB        (4) 4M x 9     (4) 4M x 9        NONE           NONE

     36MB        (4) 1M x 9     (4) 4M x 9     (1) 4M x 36       NONE

     40MB        (4) 1M x 9     (4) 1M x 9     (1) 4M x 36   (1) 4M x 36

     48MB        (4) 4M x 9     (4) 4M x 9     (1) 4M x 36       NONE

     64MB        (4) 4M x 9     (4) 4M x 9     (1) 4M x 36   (1) 4M x 36

     64MB        (4) 16M x 9       NONE           NONE           NONE

     65MB        (4) 256K x 9   (4) 16M x 9     (1) 16M x        NONE
                                                   36

     68MB        (4) 1M x 9     (4) 16M x 9     (1) 16M x        NONE
                                                   36

     72MB        (4) 1M x 9     (4) 1M x 9     (1) 1M x 36   (1) 16M x 36

     80MB        (4) 4M x 9     (4) 16M x 9     (1) 16M x        NONE
                                                   36

     96MB        (4) 4M x 9     (4) 4M x 9     (1) 4M x 36   (1) 16M x 36

     128MB       (4) 16M x 9    (4) 16M x 9       NONE           NONE

                        DRAM CONFIGURATION (MODE 2)

     Size         Bank 0        Bank 1         Bank 2          Bank 3

     1MB           NONE          NONE         (1) 256K x        NONE
                                                 36

     2MB           NONE          NONE         (1) 256K x    (1) 256K x 36
                                                 36

     2MB           NONE          NONE         (1) 512K x        NONE
                                                 36

     4MB           NONE          NONE         (1) 512K x    (1) 512K x 36
                                                 36

     4MB           NONE          NONE        (1) 1M x 36        NONE

     5MB           NONE          NONE         (1) 256K x     (1) 1M x 36
                                                 36

     6MB        (4) 1M x 9       NONE         (1) 256K x    (1) 256K x 36
                                                 36

                     DRAM CONFIGURATION (MODE 2 CONT)

     Size          Bank 0        Bank 1        Bank 2          Bank 3

      6MB           NONE          NONE        (1) 512K x     (1) 1M x 36
                                                 36

      8MB        (4) 1M x 9       NONE        (1) 512K x    (1) 512K x 36
                                                 36

      8MB           NONE          NONE       (1) 1M x 36     (1) 1M x 36

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

     10MB        (4) 1M x 9    (4) 1M x 9     (1) 256K x    (1) 256K x 36
                                                 36

     12MB        (4) 1M x 9    (4) 1M x 9     (1) 512K x    (1) 512K x 36
                                                 36

     12MB        (4) 1M x 9       NONE       (1) 1M x 36     (1) 1M x 36

     12MB           NONE          NONE       (1) 1M x 36     (1) 2M x 36

     16MB        (4) 1M x 9    (4) 1M x 9    (1) 1M x 36     (1) 1M x 36

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

     16MB           NONE          NONE       (1) 4M x 36        NONE

     17MB           NONE          NONE        (1) 256K x     (1) 4M x 36
                                                 36

     18MB        (4) 4M x 9       NONE        (1) 256K x    (1) 256K x 36
                                                 36

     18MB           NONE          NONE        (1) 512K x     (1) 4M x 36
                                                 36

     20MB        (4) 4M x 9       NONE        (1) 512K x    (1) 512K x 36
                                                 36

     20MB           NONE          NONE       (1) 1M x 36     (1) 4M x 36

     24MB        (4) 1M x 9    (4) 4M x 9     (1) 512K x    (1) 512K x 36
                                                 36

     24MB        (4) 4M x 9       NONE       (1) 1M x 36     (1) 1M x 36

     24MB           NONE          NONE       (1) 2M x 36     (1) 4M x 36

     32MB        (4) 4M x 9       NONE       (1) 2M x 36     (1) 2M x 36

     32MB           NONE          NONE       (1) 4M x 36     (1) 4M x 36

     32MB           NONE          NONE       (1) 8M x 36        NONE

     36MB        (4) 4M x 9    (4) 4M x 9     (1) 512K x    (1) 512K x 36
                                                 36

     36MB        (4) 4M x 9       NONE       (1) 1M x 36     (1) 4M x 36

     36MB           NONE          NONE       (1) 1M x 36     (1) 8M x 36

     40MB        (4) 4M x 9    (4) 4M x 9    (1) 1M x 36     (1) 1M x 36

     48MB        (4) 4M x 9    (4) 4M x 9    (1) 2M x 36     (1) 2M x 36

     48MB        (4) 4M x 9    (4) 4M x 9    (1) 4M x 36     (1) 4M x 36

     48MB           NONE          NONE       (1) 4M x 36     (1) 8M x 36

     64MB        (4) 4M x 9    (4) 4M x 9    (1) 4M x 36     (1) 4M x 36

     64MB           NONE          NONE       (1) 16M x 36       NONE

     64MB           NONE          NONE       (1) 8M x 36     (1) 8M x 36

     65MB           NONE          NONE        (1) 256K x    (1) 16M x 36
                                                 36

     68MB           NONE          NONE       (1) 1M x 36    (1) 16M x 36

     72MB        (4) 16M x 9      NONE       (1) 1M x 36     (1) 1M x 36

     80MB           NONE          NONE       (1) 4M x 36    (1) 16M x 36

     96MB        (4) 16M x 9      NONE       (1) 4M x 36     (1) 4M x 36

     128MB          NONE          NONE       (1) 16M x 36   (1) 16M x 36

                         DRAM JUMPER CONFIGURATION

    Type          JP30           JP31            JP32           JP33

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

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

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

      64KB        (4) 8K x 8      (4) 8K x 8      (1) 8K x 8

     128KB        (4) 32K x 8        NONE         (1) 8K x 8

     256KB        (4) 32K x 8     (4) 32K x 8    (1) 32K x 8

     256KB        (4) 64K x 8        NONE        (1) 32K x 8

     512KB        (4) 64K x 8     (4) 64K x 8    (1) 32K x 8

     512KB       (4) 128K x 8        NONE        (1) 32K x 8

      1MB        (4) 128K x 8    (4) 128K x 8    (1) 64K x 8

                        CACHE JUMPER CONFIGURATION

   Size      JP20     JP21     JP22     JP23     JP24     JP25     JP26

  256KB     2 & 3    1 & 2    1 & 2    2 & 3    1 & 2    1 & 2     Open

            Note: The jumper settings for the remaining cache sizes are
            unidentified by the manufacturer. Pins designated should be
            in the closed position.

                          CPU TYPE CONFIGURATION

       Type            JP1        JP2        JP3        JP4        JP5

      80486SX         Open       3 & 4      1 & 2      2 & 3      2 & 3

      CX486DX         2 & 3      2 & 3      Open       2 & 3      1 & 2

      80486DX         Open       3 & 4      1 & 2      2 & 3      2 & 3

     CX486DX2         2 & 3      2 & 3      Open       2 & 3      1 & 2

     80486DX2         Open       3 & 4      1 & 2      2 & 3      2 & 3

     80486DX4         Open       3 & 4      1 & 2      2 & 3      2 & 3

       P24D           Open       1 & 2      2 & 3      1 & 2      1 & 2

      Pentium         1 & 2      1 & 2      Open       1 & 2      1 & 2
     Overdrive

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

       Type           JP6        JP7        JP8        JP9        JP10

      80486SX        1 & 2      2 & 3      Open       2 & 3       3 & 4

      CX486DX        2 & 3      1 & 2      3 & 4      1 & 2,      2 & 3
                                                      3 & 4

      80486DX        1 & 2      2 & 3      3 & 4      1 & 2,      3 & 4
                                                      3 & 4

     CX486DX2        2 & 3      1 & 2      3 & 4      1 & 2,      2 & 3
                                                      3 & 4

     80486DX2        1 & 2      2 & 3      3 & 4      1 & 2,      3 & 4
                                                      3 & 4

     80486DX4        1 & 2      2 & 3      3 & 4      1 & 2,      3 & 4
                                                      3 & 4

       P24D          1 & 2      2 & 3      3 & 4      1 & 2,     1 & 2, 3
                                                      3 & 4        & 4

      Pentium        1 & 2      2 & 3      2 & 3      1 & 2,      3 & 4
     Overdrive                                        3 & 4

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

       Type          JP11       JP12       JP13        JP14       JP16

     80486SX         4 & 5      Open       Open        Open       1 & 2

     CX486DX         2 & 3      Open       Open        Open       1 & 2

     80486DX         4 & 5      Open       Open        Open       1 & 2

     CX486DX2        2 & 3      Open       Open        Open       1 & 2

     80486DX2        4 & 5      Open       Open        Open       1 & 2

     80486DX4        4 & 5      Open       Open        Open       1 & 2

       P24D          4 & 5      Open       1 & 2      1 & 2       1 & 2

      Pentium        1 & 2      Open       Open        Open       1 & 2
    Overdrive

  Note: Pins designated should be in the closed position.

          CPU SPEED CONFIGURATION

   Speed      JP40       JP41      JP42

   25MHz     Closed      Open     Closed

   33MHz     Closed     Closed     Open

   40MHz      Open       Open     Closed

  50iMHz     Closed      Open     Closed

   50MHz      Open      Closed     Open

  66iMHz     Closed     Closed     Open

  75iMHz     Closed      Open     Closed

  100iMHz    Closed     Closed     Open

  CPU SPEED CONFIGURATION (80486DX4 ONLY)

        Speed                  JP15

          2x            pins 2 & 3 closed

         2.5x           pins 1 & 2 closed

          3x                   Open

      VESA WAIT STATE CONFIGURATION

     Wait states             JP44

    0 wait states     pins 1 & 2 closed

    1 wait state      pins 2 & 3 closed

         BUS SPEED CONFIGURATION

      CPU speed              JP45

      <= 33MHz        pins 1 & 2 closed

       > 33MHz        pins 2 & 3 closed

