
M TECHNOLOGY, INC.

R558 MUSTANG-ULTRA

Device Type       Mainboard
Processor         CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/

                  AM K5/AM K6/Pentium/Pentium MMX
Processor Speed   90/100/120/133/150/166/180/200/233/266MHz
Chip Set          SIS
Video Chip Set    Unidentified
Maximum Onboard   384MB (EDO & SDRAM supported) Unified Memory Architecture
Memory            (UMA)
Cache             512KB
BIOS              Award
Dimensions        304mm x 220mm
I/O Options       32-bit PCI slots (4), floppy drive interface, IDE
                  interfaces (2), parallel port, PS/2 mouse port, serial
                  ports (2), VGA feature connector, VGA interface, IR
                  connector, USB connectors (2), ATX power connector
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  ATX power connector        ATX       Serial port 1              CN4

  Power LED & keylock         C1       VGA feature connector      CN5

  Turbo switch                C2       VGA interface              CN6

  Reset switch                C3       Floppy drive               CN7
                                       interface

  Speaker                     C4       IDE interface 1            CN8

  Turbo LED                   C5       IDE interface 2            CN9

  IDE interface LED           C6       IR connector               IR1

  Soft off power supply       C7       32-bit PCI slots         PC1  PC4

  Serial port 2              CN1       USB connector 1            USB1

  Parallel port              CN2       USB connector 2            USB2

  PS/2 mouse port            CN3

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Factory configured - do not alter       JP2              Open

     CMOS memory normal operation            JP18          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP18          Pins 2 & 3
                                                              closed

      On board video enabled                  JP24          Pins 2 & 3
                                                              closed

      On board video disabled                 JP24          Pins 1 & 2
                                                              closed

             SIMM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      None

     16MB        (2) 2M x 36      None

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

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

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

     64MB        (2) 8M x 36      None

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

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

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

     96MB        (2) 8M x 36   (2) 4M x 36

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

  Note: Board accepts EDO memory.

                  DIMM CONFIGURATION

       Size            Bank 0            Bank 1

       8MB           (1) 1M x 64          None

       16MB          (1) 2M x 64          None

       16MB          (1) 1M x 64       (1) 1M x 64

       24MB          (1) 2M x 64       (1) 1M x 64

       32MB          (1) 4M x 64          None

       32MB          (1) 2M x 64       (1) 2M x 64

       40MB          (1) 4M x 64       (1) 1M x 64

       48MB          (1) 4M x 64       (1) 2M x 64

       64MB          (1) 8M x 64          None

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

       72MB          (1) 8M x 64       (1) 1M x 64

       80MB          (1) 8M x 64       (1) 2M x 64

       96MB          (1) 8M x 64       (1) 4M x 64

      128MB          (1) 8M x 64       (1) 8M x 64

            Note: Board accepts EDO & SDRAM memory.

               DIMM VOLTAGE CONFIGURATION

          Voltage                       JP1

            3.3v             Pins 5 & 6, 7 & 8 closed

             5v              Pins 1 & 2, 3 & 4 closed

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (2) 64K x 32

                       CPU SPEED SELECTION (CX 6X86)

   CPU     Clock    Multiplier   JP3     JP4      JP7      JP8      JP9
  speed    speed

  133MHz   55MHz       2x        Open   Closed   Open     Closed   Closed

  150MHz   60MHz       2x        Open   Closed   Open     Open     Closed

  166MHz   66MHz       2x        Open   Closed   Open     Open      Open

  200MHz   75MHz       2x        Open   Closed   Closed   Closed    Open

                      CPU SPEED SELECTION (IBM 6X86)

   CPU     Clock    Multiplier   JP3     JP4      JP7      JP8      JP9
  speed    speed

  133MHz   55MHz       2x        Open   Closed   Open     Closed   Closed

  150MHz   60MHz       2x        Open   Closed   Open     Open     Closed

  166MHz   66MHz       2x        Open   Closed   Open     Open      Open

  200MHz   75MHz       2x        Open   Closed   Closed   Closed    Open

                      CPU SPEED SELECTION (CX 6X86L)

   CPU     Clock    Multiplier   JP3     JP4      JP7      JP8      JP9
  speed    speed

  133MHz   55MHz       2x        Open   Closed   Open     Closed   Closed

  150MHz   60MHz       2x        Open   Closed   Open     Open     Closed

  166MHz   66MHz       2x        Open   Closed   Open     Open      Open

  200MHz   75MHz       2x        Open   Closed   Closed   Closed    Open

                      CPU SPEED SELECTION (IBM 6X86L)

   CPU     Clock    Multiplier   JP3     JP4      JP7      JP8      JP9
  speed    speed

  133MHz   55MHz       2x        Open   Closed   Open     Closed   Closed

  150MHz   60MHz       2x        Open   Closed   Open     Open     Closed

  166MHz   66MHz       2x        Open   Closed   Open     Open      Open

  200MHz   75MHz       2x        Open   Closed   Closed   Closed    Open

                      CPU SPEED SELECTION (CX 6X86MX)

   CPU     Clock   Multiplier    JP3      JP4      JP7      JP8      JP9
  speed    speed

  166MHz   60MHz      2.5x      Closed   Closed    Open    Open     Closed

  200MHz   66MHz      2.5x      Closed   Closed    Open    Open     Open

  233MHz   66MHz       3x       Closed    Open     Open    Open     Open

  233MHz   75MHz      2.5x      Closed   Closed   Closed   Closed   Open

  266MHz   66MHz      3.5x       Open     Open     Open    Open     Open

  266MHz   75MHz       3x       Closed    Open    Closed   Closed   Open

                     CPU SPEED SELECTION (IBM 6X86MX)

   CPU     Clock   Multiplier    JP3      JP4      JP7      JP8      JP9
  speed    speed

  166MHz   60MHz      2.5x      Closed   Closed    Open    Open     Closed

  200MHz   66MHz      2.5x      Closed   Closed    Open    Open     Open

  233MHz   66MHz       3x       Closed    Open     Open    Open     Open

  233MHz   75MHz      2.5x      Closed   Closed   Closed   Closed   Open

  266MHz   66MHz      3.5x       Open     Open     Open    Open     Open

  266MHz   75MHz       3x       Closed    Open    Closed   Closed   Open

                        CPU SPEED SELECTION (AM K5)

   CPU      Clock    Multiplier    JP3      JP4      JP7    JP8     JP9
  speed    speed

  90MHz    60MHz       1.5x        Open     Open     Open   Open   Closed

  100MHz   66MHz       1.5x        Open     Open     Open   Open    Open

  166MHz   66MHz       2.5x       Closed   Closed    Open   Open    Open

                        CPU SPEED SELECTION (AK K6)

    CPU     Clock    Multiplier     JP3      JP4      JP7    JP8     JP9
  speed     speed

  166MHz    66MHz       2.5x       Closed   Closed    Open   Open   Open

  200MHz    66MHz        3x        Closed    Open     Open   Open   Open

  233MHz    66MHz       3.5x       Open      Open     Open   Open   Open

                        CPU SPEED SELECTION (INTEL)

   CPU      Clock    Multiplier    JP3      JP4      JP7    JP8     JP9
  speed    speed

  90MHz    60MHz       1.5x        Open     Open     Open   Open   Closed

  100MHz   66MHz       1.5x        Open     Open     Open   Open    Open

  120MHz   60MHz        2x         Open    Closed    Open   Open   Closed

  133MHz   66MHz        2x         Open    Closed    Open   Open    Open

  150MHz   60MHz       2.5x       Closed   Closed    Open   Open   Closed

  166MHz   66MHz       2.5x       Closed   Closed    Open   Open    Open

  180MHz   60MHz        3x        Closed    Open     Open   Open   Closed

  200MHz   66MHz        3x        Closed    Open     Open   Open    Open

                      CPU SPEED SELECTION (INTEL MMX)

    CPU     Clock    Multiplier     JP3      JP4      JP7    JP8     JP9
  speed     speed

  166MHz    66MHz       2.5x       Closed   Closed    Open   Open   Open

  200MHz    66MHz        3x        Closed    Open     Open   Open   Open

  233MHz    66MHz       3.5x       Open      Open     Open   Open   Open

                      CPU VOLTAGE SELECTION (SINGLE)

      Voltage                  JP6                        JP12

        3.4v          Pins 1 & 2, 3 & 4, 5 &     Pins 3 & 4, 5 & 6, 7 & 8
                             6 closed                    closed

        3.5v          Pins 1 & 2, 3 & 4, 5 &    Pins 1 & 2, 3 & 4, 5 & 6,
                             6 closed                 7 & 8 closed

                      CPU VOLTAGE SELECTION (DUAL)

    Voltage         V core          JP6                  JP12

      3.4v           2.1v           Open          Pins 1 & 2 closed

      3.4v           2.8v           Open          Pins 7 & 8 closed

      3.4v           2.9v           Open       Pins 1 & 2, 7 & 8 closed

      3.4v           3.2v           Open       Pins 5 & 6, 7 & 8 closed

                        BIOS SELECTION

        Type                 JP16                 JP17

       1M/12v          Pins 2 & 3 closed   Pins 2 & 3 closed

        1M/5v          Pins 1 & 2 closed   Pins 1 & 2 closed

