
M TECHNOLOGY, INC.

R418 PCI-486

Processor  80486SX/CX486DX/80486DX/AM486DX2/80486DX2/80486DX4/P24D/ Pentium
           Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/
Speed      100(internal)MHz
Chip Set   Unidentified
Max.       256MB
Onboard
DRAM
Cache      128/256/512/1024KB
BIOS       Award
Dimensions 330mm x 218mm
I/O        Parallel port, serial ports (2), 32-bit PCI slots (3), green PC
Options    connector, floppy drive interface, IDE interfaces (2)
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 2              CN1       Turbo switch                J3

  Serial port 1              CN2       Turbo LED                   J4

  Parallel port              CN3       Reset switch                J5

  Floppy drive interface     CN4       Break switch                J6

  IDE interface 2            CN5       IDE interface LED           J7

  IDE interface 1            CN6       Green PC connector          J9

  Power LED & keylock         J1       32-bit PCI slots         PC1 - PC3

  Speaker                     J2

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     Serial port 1 IRQ select IRQ4          JP27         pins 1 & 2, 3 &
                                                             4 closed

      Serial port 2 IRQ select IRQ3          JP27         pins 1 & 2, 3 &
                                                             4 closed

     Parallel port IRQ select IRQ7          JP28           pins 2 & 3
                                                              closed

      Parallel port IRQ select IRQ5          JP28           pins 1 & 2
                                                              closed

     CMOS memory normal operation           JP49           pins 1 & 2
                                                              closed

      CMOS memory clear                      JP49           pins 2 & 3
                                                              closed

     Monitor type select monochrome         JP51              Open

      Monitor type select color              JP51             Closed

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

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

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

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

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

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

     3MB           NONE           NONE        (1) 256K x    (1) 512K x 36
                                                  36

     3MB           NONE           NONE        (1) 512K x    (1) 256K x 36
                                                  36

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

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

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

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

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

     5MB       (4) 256K x 9       NONE       (1) 1M x 36        NONE

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

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

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

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

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

     7MB       (4) 256K x 9   (4) 256K x 9   (1) 1M x 36    (1) 256K x 36

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

     8MB        (4) 1M x 9    (4) 256K x 9    (1) 256K 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

     9MB           NONE           NONE        (1) 256K x     (1) 2M x 36
                                                  36

     9MB           NONE           NONE       (1) 2M x 36    (1) 256K x 36

     10MB          NONE           NONE        (1) 512K x     (1) 2M x 36
                                                  36

     10MB          NONE           NONE       (1) 2M x 36    (1) 512K x 36

     11MB      (4) 256K x 9    (4) 1M x 9    (1) 1M x 36    (1) 512K x 36

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

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

     13MB       (4) 1M x 9     (4) 1M x 9     (1) 256K x     (1) 1M x 36
                                                  36

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

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

                        DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2         Bank 3

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

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

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

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

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

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

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

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

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

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

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

     22MB       (4) 4M x 9     (4) 1M x 9     (1) 512K x        NONE
                                                  36

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

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

     25MB      (4) 256K x 9    (4) 4M x 9    (1) 1M x 36     (1) 1M x 36

     25MB      (4) 256K x 9       NONE       (1) 4M x 36     (1) 2M x 36

     26MB       (4) 4M x 9        NONE       (1) 2M x 36    (1) 512K x 36

     28MB       (4) 1M x 9     (4) 4M x 9    (1) 2M x 36        NONE

     29MB       (4) 1M x 9     (4) 4M x 9     (1) 256K x     (1) 2M x 36
                                                  36

     29MB       (4) 4M x 9    (4) 256K x 9   (1) 2M x 36     (1) 1M x 36

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

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

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

     33MB          NONE           NONE        (1) 256K x     (1) 8M x 36
                                                  36

     33MB          NONE           NONE       (1) 8M x 36    (1) 256K x 36

     34MB      (4) 256K x 9   (4) 256K x 9   (1) 4M x 36     (1) 4M x 36

     34MB          NONE           NONE        (1) 512K x     (1) 8M x 36
                                                  36

     34MB          NONE           NONE       (1) 8M x 36    (1) 512K x 36

     35MB       (4) 4M x 9     (4) 4M x 9     (1) 512K x    (1) 256K x 36
                                                  36

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

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

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

     37MB       (4) 1M x 9        NONE       (1) 8M x 36    (1) 256K x 36

     39MB       (4) 1M x 9    (4) 256K x 9   (1) 8M x 36    (1) 512K x 36

     40MB          NONE           NONE       (1) 2M x 36     (1) 8M x 36

     40MB          NONE           NONE       (1) 8M x 36     (1) 2M x 36

     41MB       (4) 1M x 9    (4) 256K x 9   (1) 1M x 36     (1) 8M x 36

     44MB       (4) 1M x 9     (4) 1M x 9    (1) 8M x 36     (1) 1M x 36

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

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

     49MB       (4) 4M x 9        NONE        (1) 256K x     (1) 8M x 36
                                                  36

     53MB      (4) 256K x 9    (4) 1M x 9    (1) 4M x 36     (1) 8M x 36

     56MB       (4) 4M x 9     (4) 4M x 9    (1) 2M x 36     (1) 4M x 36

     60MB       (4) 1M x 9     (4) 4M x 9    (1) 8M x 36     (1) 2M x 36

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0        Bank 1         Bank 2         Bank 3

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

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

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

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

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

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

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

     66MB       (4) 256K x 9   (4) 16M x 9     (1) 256K x       NONE
                                                  36

     66MB           NONE          NONE         (1) 512K x   (1) 16M x 36
                                                  36

     66MB           NONE          NONE        (1) 16M x 36  (1) 512K x 36

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

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

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

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

     70MB       (4) 16M x 9       NONE         (1) 512K x    (1) 1M x 36
                                                  36

     72MB           NONE          NONE        (1) 2M x 36   (1) 16M x 36

     72MB           NONE          NONE        (1) 16M x 36   (1) 2M x 36

     75MB       (4) 16M x 9    (4) 256K x 9    (1) 512K x    (1) 2M x 36
                                                  36

     76MB        (4) 1M x 9    (4) 1M x 9     (1) 1M x 36   (1) 16M x 36

     77MB        (4) 1M x 9    (4) 16M x 9    (1) 2M x 36   (1) 256K x 36

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

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

     80MB        (4) 4M x 9       NONE        (1) 8M x 36    (1) 8M x 36

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

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

     81MB       (4) 16M x 9    (4) 256K x 9   (1) 4M x 36       NONE

     82MB        (4) 4M x 9    (4) 256K x 9    (1) 256K x   (1) 16M x 36
                                                  36

     84MB        (4) 4M x 9    (4) 16M x 9     (1) 512K x   (1) 512K x 36
                                                  36

     85MB        (4) 1M x 9    (4) 16M x 9     (1) 256K x    (1) 4M x 36
                                                  36

     85MB       (4) 16M x 9    (4) 1M x 9     (1) 4M x 36   (1) 256K x 36

     86MB       (4) 16M x 9    (4) 1M x 9      (1) 512K x    (1) 4M x 36
                                                  36

     96MB           NONE          NONE        (1) 8M x 36   (1) 16M x 36

     96MB           NONE          NONE        (1) 16M x 36   (1) 8M x 36

     97MB       (4) 256K x 9   (4) 16M x 9    (1) 8M x 36       NONE

     97MB        (4) 4M x 9    (4) 4M x 9     (1) 16M x 36  (1) 256K x 36

     98MB       (4) 16M x 9    (4) 4M x 9     (1) 4M x 36   (1) 512K x 36

    113MB        (4) 4M x 9    (4) 256K x 9   (1) 8M x 36   (1) 16M x 36

    114MB       (4) 16M x 9    (4) 4M x 9      (1) 512K x    (1) 8M x 36
                                                  36

    120MB        (4) 4M x 9    (4) 16M x 9    (1) 2M x 36    (1) 8M x 36

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

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

    132MB       (4) 16M x 9       NONE        (1) 16M x 36   (1) 1M x 36

    136MB       (4) 16M x 9       NONE        (1) 2M x 36   (1) 16M x 36

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0        Bank 1         Bank 2          Bank 3

     137MB       (4) 16M x 9   (4) 256K x 9   (1) 16M x 36   (1) 2M x 36

     148MB       (4) 16M x 9   (4) 16M x 9    (1) 4M x 36    (1) 1M x 36

     148MB       (4) 16M x 9   (4) 1M x 9     (1) 16M x 36   (1) 4M x 36

     176MB       (4) 16M x 9   (4) 4M x 9     (1) 16M x 36   (1) 8M x 36

     194MB       (4) 16M x 9   (4) 16M x 9     (1) 512K x    (1) 16M x 36
                                                  36

     256MB       (4) 16M x 9   (4) 16M x 9    (1) 16M x 36   (1) 16M x 36

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

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

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

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

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

   512KB (B)     (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       JP5       JP6       JP7       JP8        JP9       JP10

   128KB      1 & 2,    1 & 2     1 & 2      Open      1 & 2      1 & 2
              4 & 5

  256KB (A)   2 & 3,    2 & 3     2 & 3      Open      1 & 2      2 & 3
              4 & 5

  256KB (B)   1 & 2,    1 & 2     1 & 2      Open      1 & 2      2 & 3
              3 & 4

  512KB (A)   2 & 3,    2 & 3     2 & 3      Open      2 & 3      2 & 3
              4 & 5

  512KB (B)   1 & 2,    1 & 2     1 & 2      Open      2 & 3      2 & 3
              4 & 5

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

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

      Type         JP12        JP13        JP14        JP15       JP16

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

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

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

    AM486DX2       2 & 3       2 & 3      2 & 3        Open       3 & 4

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

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

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

      P24T         1 & 2       1 & 2      2 & 3       1 & 2       3 & 4

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

      Type           JP17            JP18         JP19          JP20

    80486SX        pins 3 & 4        Open         Open          Open
                    closed

    CX486DX        pins 2 & 3        Open         Open          Open
                    closed

    80486DX        pins 3 & 4        Open         Open          Open
                    closed

    AM486DX2       pins 3 & 4       2 & 3         Open          Open
                    closed

    80486DX2       pins 3 & 4        Open         Open          Open
                    closed

    80486DX4       pins 3 & 4        Open         Open          Open
                    closed

      P24D         pins 1 & 2     pins 1 & 2      Open        pins 1 & 2
                    closed          closed                     closed

      P24T         pins 1 & 2        Open         Open          Open
                    closed

                      CPU TYPE CONFIGURATION (CONT)

     Type          JP21           JP22            JP23           JP24

   80486SX         Open         pins 2 & 3     pins 4 & 5        Open
                                 closed          closed

   CX486DX         Open       pins 1 & 2, 3    pins 2 & 3        Open
                               & 4 closed        closed

   80486DX         Open       pins 1 & 2, 3    pins 4 & 5        Open
                               & 4 closed        closed

   AM486DX2        Open       pins 1 & 2, 3    pins 4 & 5        Open
                               & 4 closed        closed

   80486DX2        Open       pins 1 & 2, 3    pins 4 & 5        Open
                               & 4 closed        closed

   80486DX4        Open       pins 1 & 2, 3    pins 4 & 5        Open
                               & 4 closed        closed

     P24D          Open       pins 1 & 2, 3    pins 4 & 5     pins 2 & 3
                               & 4 closed        closed         closed

     P24T        pins 1 & 2   pins 1 & 2, 3    pins 1 & 2        Open
                  closed       & 4 closed        closed

                          CPU SPEED CONFIGURATION

     Speed           JP25            JP38          JP39           JP40

     25MHz         pins 1 & 2        Open          Open           Open
                    closed

     33MHz         pins 1 & 2       Closed        Closed          Open
                    closed

     40MHz         pins 1 & 2       Closed         Open           Open
                    closed

     50iMHz        pins 1 & 2        Open          Open           Open
                    closed

     50MHz         pins 2 & 3        Open         Closed          Open
                    closed

     66iMHz        pins 1 & 2       Closed        Closed          Open
                    closed

     75iMHz        pins 1 & 2        Open          Open           Open
                    closed

     80iMHz        pins 1 & 2       Closed         Open           Open
                    closed

    100iMHz        pins 1 & 2       Closed        Closed          Open
                    closed

                    CPU VOLTAGE CONFIGURATION

  Voltage     JP42       JP43       JP44       JP45       JP46

   3.3v      Closed      Open       Open       Open       Open

   3.45v      Open      Closed      Open       Open       Open

   3.6v       Open       Open      Closed      Open       Open

   3.75v      Open       Open       Open      Closed      Open

   3.9v       Open       Open       Open       Open      Closed

                      BIOS CONFIGURATION

        Type                 JP52                 JP53

       EEPROM          pins 2 & 3 closed   pins 2 & 3 closed

      12v flash        pins 1 & 2 closed   pins 1 & 2 closed

                      DMA CONFIGURATION

         DMA                 JP36                 JP37

        DMA 1          pins 2 & 3 closed   pins 2 & 3 closed

        DMA 3          pins 1 & 2 closed   pins 1 & 2 closed

