
MICRO-STAR INTERNATIONAL CO., LTD.

MS-5146

Processor            CX M1/AM K5/Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             SIS
Video Chip Set       None
Maximum Onboard      256MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256/512KB
BIOS                 AMI/Award
Dimensions           250mm x 220mm
I/O Options          32-bit PCI slots (4), floppy drive interface, IDE
                     interfaces (2), parallel port, PS/2 mouse interface,
                     serial ports (2), IR connector, USB connector
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Serial port 2            CN1         Speaker              JFP/pins 7 -
                                                                 10

  Serial port 1            CN2         Turbo LED            JFP/pins 12 &
                                                                 13

  Parallel port            CN3         Reset switch         JFP/pins 19 &
                                                                 20

  Floppy drive             CN4         IDE interface LED    JFP/pins 21 &
  interface                                                      22

  IDE interface 2          CN5         PS/2 mouse               JMS
                                       interface

  IDE interface 1          CN6         PS/2 & auxiliary         JPM1
                                       keyboard

  Chassis fan power        FAN         32-bit PCI slots      PC1  PC4

  IR connector             IR1         USB connector            USB

  Power LED &          JFP/pins 1 -
  keylock                   5

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J1           Unidentified
      alter

     Factory configured - do not           J2           Unidentified
      alter

                      DRAM CONFIGURATION

        Size                Bank 0               Bank 1

         2MB            (2) 256K x 36             None

         4MB            (2) 512K x 36             None

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

         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

        128MB            (2) 16M x 36             None

        136MB            (2) 16M x 36         (2) 1M x 36

        144MB            (2) 16M x 36         (2) 2M x 36

        160MB            (2) 16M x 36         (2) 4M x 36

        192MB            (2) 16M x 36         (2) 8M x 36

        256MB            (2) 16M x 36         (2) 16M x 36

  Note: Board accepts EDO memory. Banks are interchangeable.

               CACHE CONFIGURATION

          Size                    Bank 0

          256KB                (2) 32K x 32

          512KB                (2) 64K x 32

  Note: The location of bank 0 is unidentified.

                        CPU SPEED SELECTION (CYRIX)

  CPU speed      Clock      Multiplier      JK1        SW1/1      SW1/2
                speed

   120MHz       50MHz           2x         1 & 2,       On         Off
                                           5 & 6

   133MHz       60MHz           2x          Open        On         Off

   150MHz       66MHz           2x          Open        On         Off

   166MHz       60MHz           2x          Open        On         Off

   200MHz       66MHz           2x          Open        On         Off

  Note: Pins designated should be in the closed position.

                    CPU SPEED SELECTION (CYRIX, CONT)

    CPU       Clock    Multiplier     SW1/3    SW1/4     SW1/5     SW1/6
   speed     speed

  120MHz     50MHz         2x          On        On       Off       On

  133MHz     55MHz         2x          Off       On       Off       On

  150MHz     60MHz         2x          On       Off       Off       On

  166MHz     66MHz         2x          Off      Off       Off       On

  200MHz     66MHz         2x          On       Off       On        On

                         CPU SPEED SELECTION (AMD)

  CPU speed      Clock      Multiplier      JK1        SW1/1      SW1/2
                speed

    75MHz       50MHz          1.5x        1 & 2,       Off        Off
                                           5 & 6

    90MHz       60MHz          1.5x         Open        Off        Off

   100MHz       66MHz          1.5x         Open        Off        Off

   120MHz       60MHz          1.5x         Open        Off        Off

   133MHz       66MHz          1.5x         Open        Off        Off

   166MHz       66MHz          2.5x         Open        On          On

  Note: Pins designated should be in the closed position.

                     CPU SPEED SELECTION (AMD, CONT)

    CPU       Clock    Multiplier     SW1/3    SW1/4     SW1/5     SW1/6
   speed     speed

   75MHz     50MHz        1.5x         On        On       Off       Off

   90MHz     60MHz        1.5x         On       Off       Off       Off

  100MHz     66MHz        1.5x         Off      Off       Off       Off

  120MHz     60MHz        1.5x         On       Off       Off       Off

  133MHz     66MHz        1.5x         Off      Off       Off       Off

  166MHz     66MHz        2.5x         Off      Off       Off       Off

                        CPU SPEED SELECTION (INTEL)

  CPU speed      Clock      Multiplier      JK1        SW1/1      SW1/2
                speed

    75MHz       50MHz          1.5x        1 & 2,       Off        Off
                                           5 & 6

    90MHz       60MHz          1.5x         Open        Off        Off

   100MHz       66MHz          1.5x         Open        Off        Off

   120MHz       60MHz           2x          Open        On         Off

   133MHz       66MHz           2x          Open        On         Off

   150MHz       60MHz          2.5x         Open        On          On

   166MHz       66MHz          2.5x         Open        On          On

   200MHz       66MHz           3x          Open        Off         On

  Note: Pins designated should be in the closed position.

                    CPU SPEED SELECTION (INTEL, CONT)

    CPU       Clock    Multiplier     SW1/3    SW1/4     SW1/5     SW1/6
   speed     speed

   75MHz     50MHz        1.5x         On        On       Off       Off

   90MHz     60MHz        1.5x         On       Off       Off       Off

  100MHz     66MHz        1.5x         Off      Off       Off       Off

  120MHz     60MHz         2x          On       Off       Off       Off

  133MHz     66MHz         2x          Off      Off       Off       Off

  150MHz     60MHz        2.5x         On       Off       Off       Off

  166MHz     66MHz        2.5x         Off      Off       Off       Off

  200MHz     66MHz         3x          Off      Off       Off       Off

                      CPU VOLTAGE SELECTION (SINGLE)

      Voltage              JV2                JV3               JV4

       3.38v              Open             Pins 1 & 2           Open
                                             closed

       3.52v            Pins 1 & 2         Pins 1 & 2           Open
                         closed              closed

                       CPU VOLTAGE SELECTION (DUAL)

   Voltage       V core          JV2             JV3             JV4

     3.3v         2.8v       Pins 1 & 2, 3    Pins 2 & 3        Open
                              & 4 closed        closed

     3.3v         2.9v        Pins 1 & 2      Pins 2 & 3      Pins 3 & 4
                                closed          closed         closed

     3.3v          3v            Open         Pins 2 & 3      Pins 1 & 2
                                                closed         closed

