
M TECHNOLOGY, INC.

R418 PCI-486 (VER.2)

Processor  80486SX/CX486DX/AM486DX(V8T)/80486DX/CX486DX2/
           AM486DX2(V8T)/80486DX2/CX486DX4/AM486DX4(V8T)/
           AM486DX4(V8B)/80486DX4/P24D/P24T/CX5X86/AM X5
Processor  25/33/40/50(internal)/50/66(internal)/80(internal)/100(internal)/
Speed      120(internal)/133(internal)/160(internal)MHz
Chip Set   SIS
Video Chip None
Set
Maximum    256MB
Onboard
Memory
Maximum    None
Video
Memory
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
                                                              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

                        DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     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

     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

                        DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     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

     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

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0        Bank 1         Bank 2         Bank 3

     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

    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 SPEED SELECTION

     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

     80iMHz        Pins 1 & 2       Closed         Open           Open
                    closed

    100iMHz        Pins 1 & 2       Closed        Closed          Open
                    closed

    120iMHz        Pins 1 & 2       Closed         Open           Open
                    closed

    133iMHz        Pins 1 & 2       Closed        Closed          Open
                    closed

    160iMHz        Pins 1 & 2       Closed         Open           Open
                    closed

                            CPU TYPE SELECTION

          Type             JP12      JP13      JP14      JP15      JP16

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

     CX486DX(3.45v)       2 & 3     2 & 3     1 & 2     2 & 3      2 & 3

      CX486DX(5v)         2 & 3     2 & 3     1 & 2     2 & 3      2 & 3

      AM486DX(V8T)        2 & 3     2 & 3     2 & 3      Open      3 & 4

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

    CX486DX2(3.45v)       2 & 3     2 & 3     1 & 2     2 & 3      2 & 3

      CX486DX2(5v)        2 & 3     2 & 3     1 & 2     2 & 3      2 & 3

     AM486DX2(V8T)        2 & 3     2 & 3     2 & 3      Open      3 & 4

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

    CX486DX4(3.45v)       2 & 3     2 & 3     1 & 2     2 & 3      2 & 3

      CX486DX4(5v)        2 & 3     2 & 3     1 & 2     2 & 3      2 & 3

     AM486DX4(V8T)        2 & 3     2 & 3     2 & 3      Open      3 & 4

   AM486DX4-100(V8B)      1 & 2     2 & 3     2 & 3      Open      1 & 2,
                                                                   3 & 4

   AM486DX4-100(V8T)      2 & 3     2 & 3     2 & 3      Open      3 & 4

   AM486DX4-120(V8B)      1 & 2     2 & 3     2 & 3      Open      1 & 2,
                                                                   3 & 4

   AM486DX4-120(V8T)      2 & 3     2 & 3     2 & 3      Open      3 & 4

   AM486DX4-133(V8T)      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

       CX5X86-100         2 & 3     2 & 3     2 & 3      Open      1 & 2,
                                                                   3 & 4

       CX5X86-120         2 & 3     2 & 3     2 & 3      Open      1 & 2,
                                                                   3 & 4

       CX5X86-133         2 & 3     2 & 3     2 & 3      Open      1 & 2,
                                                                   3 & 4

       AM X5-133          1 & 2     2 & 3     2 & 3      Open      1 & 2,
                                                                   3 & 4

       AM X5-160          1 & 2     2 & 3     2 & 3      Open      1 & 2,
                                                                   3 & 4

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

        Type             JP17         JP18          JP19         JP20

       80486SX           3 & 4        Open          Open         Open

   CX486DX(3.45v)      2 & 3, 4 &     Open          Open         Open
                           5

     CX486DX(5v)         2 & 3        Open          Open         Open

    AM486DX(V8T)         3 & 4        2 & 3         Open         Open

       80486DX           3 & 4        2 & 3         Open         Open

   CX486DX2(3.45v)     2 & 3, 4 &     Open          Open         Open
                           5

    CX486DX2(5v)         2 & 3        Open          Open         Open

    AM486DX2(V8T)        3 & 4        2 & 3         Open         Open

      80486DX2           3 & 4        2 & 3         Open         Open

   CX486DX4(3.45v)     2 & 3, 4 &     Open          Open         Open
                           5

    CX486DX4(5v)         2 & 3        Open          Open         Open

    AM486DX4(V8T)        3 & 4        2 & 3         Open         Open

  AM486DX4-100(V8B)    1 & 2, 3 &     1 & 2         Open         1 & 2
                           4

  AM486DX4-100(V8T)      3 & 4        Open          Open         Open

  AM486DX4-120(V8B)    1 & 2, 3 &     1 & 2         Open         1 & 2
                           4

  AM486DX4-120(V8T)      3 & 4        Open          Open         Open

  AM486DX4-133(V8T)      3 & 4        2 & 3         Open         Open

      80486DX4           3 & 4        2 & 3         Open         Open

        P24D             1 & 2        1 & 2         Open         1 & 2

        P24T             1 & 2        Open          Open         Open

     CX5X86-100        1 & 2, 3 &     1 & 2         Open         1 & 2
                           4

     CX5X86-120        1 & 2, 3 &     1 & 2         Open         1 & 2
                           4

     CX5X86-133        1 & 2, 3 &     1 & 2        2 & 3         1 & 2
                           4

      AM X5-133        1 & 2, 3 &     1 & 2        2 & 3         1 & 2
                           4

      AM X5-160        1 & 2, 3 &     1 & 2        2 & 3         1 & 2
                           4

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

        Type              JP21         JP22         JP23         JP24

       80486SX            Open        2 & 3        4 & 5         Open

   CX486DX(3.45v)         Open      1 & 2, 3 &     2 & 3         Open
                                        4

     CX486DX(5v)          Open      1 & 2, 3 &     2 & 3         Open
                                        4

    AM486DX(V8T)          Open      1 & 2, 3 &     4 & 5         Open
                                        4

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

   CX486DX2(3.45v)        Open      1 & 2, 3 &     2 & 3         Open
                                        4

    CX486DX2(5v)          Open      1 & 2, 3 &     2 & 3         Open
                                        4

    AM486DX2(V8T)         Open      1 & 2, 3 &     4 & 5         Open
                                        4

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

   CX486DX4(3.45v)        Open      1 & 2, 3 &     2 & 3         Open
                                        4

    CX486DX4(5v)          Open      1 & 2, 3 &     2 & 3         Open
                                        4

    AM486DX4(V8T)         Open      1 & 2, 3 &     4 & 5         Open
                                        4

  AM486DX4-100(V8B)       Open      1 & 2, 3 &     4 & 5         2 & 3
                                        4

  AM486DX4-100(V8T)       Open      1 & 2, 3 &     4 & 5         2 & 3
                                        4

  AM486DX4-120(V8B)       Open      1 & 2, 3 &     4 & 5         Open
                                        4

  AM486DX4-120(V8T)       Open      1 & 2, 3 &     4 & 5         Open
                                        4

  AM486DX4-133(V8T)       Open      1 & 2, 3 &     4 & 5         Open
                                        4

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

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

        P24T           1 & 2 or 3   1 & 2, 3 &     1 & 2         Open
                          & 4           4

     CX5X86-100           Open      1 & 2, 3 &     4 & 5         2 & 3
                                        4

     CX5X86-120           Open      1 & 2, 3 &     4 & 5         2 & 3
                                        4

     CX5X86-133           Open      1 & 2, 3 &     4 & 5         2 & 3
                                        4

      AM X5-133           Open      1 & 2, 3 &     4 & 5         2 & 3
                                        4

      AM X5-160           Open      1 & 2, 3 &     4 & 5         2 & 3
                                        4

  Note: Pins designated should be in the closed position.

                           CPU VOLTAGE SELECTION

  Voltage      JP42      JP43       JP44       JP45      JP46      JP48

    3.3v      Closed     Open       Open       Open      Open      Open

   3.45v       Open     Closed      Open       Open      Open      Open

    3.6v       Open      Open      Closed      Open      Open      Open

   3.75v       Open      Open       Open      Closed     Open      Open

    3.9v       Open      Open       Open       Open     Closed     Open

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

            Note: Pins designated should be in the closed position. JP48
            may not be present on boards that are 5v auto-detect.

                    DMA CHANNEL SELECTION

       Channel               JP36                 JP37

          1            Pins 2 & 3 closed   Pins 2 & 3 closed

          3            Pins 1 & 2 closed   Pins 1 & 2 closed

                        BIOS SELECTION

        Type                 JP52                 JP53

       EEPROM          Pins 2 & 3 closed   Pins 2 & 3 closed

      12v flash        Pins 1 & 2 closed   Pins 1 & 2 closed

