
MICRO-STAR INTERNATIONAL CO., LTD.

MS-5143

Processor            CX M1/AM K5/Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             Intel
Video Chip Set       None
Maximum Onboard      128MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256/512KB
BIOS                 Unidentified
Dimensions           305mm x 235mm
I/O Options          32-bit PCI slots (4), floppy drive interface, green PC
                     connector, IDE interfaces (2), parallel port, PS/2
                     mouse port, PS/2 mouse interface, serial ports (2), IR
                     connector, USB connector, ATX power connector
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                 ATX        Speaker               JFP pins 7 -
  connector                                                      10

  Serial port 2             CN1        Turbo LED            JFP pins 12 &
                                                                 13

  Parallel port             CN2        Reset switch         JFP pins 19 &
                                                                 20

  PS/2 mouse port           CN3        IDE interface LED    JFP pins 21 &
                                                                 22

  Serial port 1             CN4        IR connector             JIR1

  IDE interface 1           CN5        Green PC LED              JGL

  IDE interface 2           CN6        Green PC connector        JGS

  Floppy drive              CN7        Remote power             JRMS
  interface                            switch

  Auxiliary keyboard    J1 pins 1     Speaker                  JSPK
  connector                  4

  PS/2 mouse            J1 pins 5 -    32-bit PCI slots       PC1  PC4
  interface                  8

  Chassis fan power        JFAN        USB port                  USB

  Power LED &           JFP pins 1 -
  keylock                    5

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           JP1          Unidentified
      alter

     Factory configured - do not           JP2          Unidentified
      alter

     Factory configured - do not          JRTC          Unidentified
      alter

                         DIMM/DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

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

     8MB           None           None       (1) 1M x 64       None

     16MB       (2) 2M x 36       None           None          None

     16MB          None           None       (1) 2M x 64       None

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

     16MB       (2) 1M x 36       None           None       (1) 1M x 64

     16MB          None           None       (1) 1M x 64    (1) 1M x 64

     24MB       (2) 1M x 36       None       (1) 1M x 64    (1) 1M x 64

     24MB          None       (2) 2M x 36    (1) 1M x 64       None

     32MB       (2) 4M x 36       None           None          None

     32MB          None           None       (1) 4M x 64       None

     40MB       (2) 4M x 36   (2) 1M x 36        None          None

     40MB       (2) 4M x 36       None           None       (1) 1M x 64

     48MB       (2) 2M x 36       None           None       (1) 4M x 64

     48MB       (2) 4M x 36   (2) 2M x 36        None          None

     48MB       (2) 4M x 36       None           None       (1) 2M x 64

     64MB       (2) 8M x 36       None           None          None

     64MB          None           None           None       (1) 8M x 64

     64MB       (2) 4M x 36   (2) 4M x 36        None          None

                         DIMM/DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     64MB       (2) 4M x 36       None           None       (1) 4M x 64

     64MB          None           None       (1) 4M x 64    (1) 4M x 64

     64MB          None       (2) 4M x 36    (1) 4M x 64       None

     72MB       (2) 8M x 36   (2) 1M x 36        None          None

     72MB       (2) 8M x 36       None           None       (1) 1M x 64

     80MB       (2) 8M x 36   (2) 2M x 36        None          None

     96MB       (2) 4M x 36       None           None       (1) 8M x 64

     96MB       (2) 8M x 36   (2) 4M x 36        None          None

     96MB       (2) 8M x 36       None           None       (1) 4M x 64

     96MB          None       (2) 8M x 36    (1) 4M x 64       None

    128MB          None           None       (1) 8M x 64    (1) 8M x 64

    128MB       (2) 8M x 36   (2) 8M x 36        None          None

  Note: Board accepts EDO memory.

               DIMM VOLTAGE CONFIGURATION

          Voltage                       JP2

            3.3v             Pins 1 & 3, 2 & 4 closed

             5v              Pins 3 & 5, 4 & 6 closed

                            CACHE CONFIGURATION

  Note: The location of the banks is unidentified. The size of the chips
  is unidentified.

                        CPU SPEED SELECTION (CYRIX)

   CPU      Clock   Multiplier    SW/1   SW/2   SW/3   SW/4   SW/5  SW/6
  speed    speed

  120MHz   50MHz        2x        On     Off    On     On     Off    Off

  133MHz   55MHz        2x        On     Off    Off    On     Off    Off

  150MHz   60MHz        2x        On     Off    On     Off    Off    Off

  166MHz   66MHz        2x        On     Off    Off    Off    Off    Off

                         CPU SPEED SELECTION (AMD)

   CPU      Clock   Multiplier    SW/1   SW/2   SW/3   SW/4   SW/5  SW/6
  speed    speed

  75MHz    50MHz       1.5x       Off    Off    On     On     Off    Off

  90MHz    60MHz       1.5x       Off    Off    On     Off    Off    Off

  100MHz   66MHz       1.5x       Off    Off    Off    Off    Off    Off

  120MHz   60MHz        2x        On     Off    On     Off    Off    Off

  133MHz   66MHz        2x        On     Off    Off    Off    Off    Off

  150MHz   60MHz       2.5x       On     On     On     Off    Off    Off

  166MHz   66MHz       2.5x       On     On     Off    Off    Off    Off

                        CPU SPEED SELECTION (INTEL)

   CPU      Clock   Multiplier    SW/1   SW/2   SW/3   SW/4   SW/5  SW/6
  speed    speed

  75MHz    50MHz       1.5x       Off    Off    On     On     Off    Off

  90MHz    60MHz       1.5x       Off    Off    On     Off    Off    Off

  100MHz   66MHz       1.5x       Off    Off    Off    Off    Off    Off

  120MHz   60MHz        2x        On     Off    On     Off    Off    Off

  133MHz   66MHz        2x        On     Off    Off    Off    Off    Off

  150MHz   60MHz       2.5x       On     On     On     Off    Off    Off

  166MHz   66MHz       2.5x       On     On     Off    Off    Off    Off

  200MHz   66MHz        3x        Off    On     Off    Off    Off    Off

                      CPU VOLTAGE SELECTION (SINGLE)

   Voltage     JV1       JV2         JV3        JV4      JV5       JV6

    3.38v       3 &     Closed      Open       Open      Open      Open
               5, 4
               & 6

    3.52v       3 &      Open      Closed      Open      Open      Open
               5, 4
               & 6

  Note: Pins designated should be in the closed position.

                       CPU VOLTAGE SELECTION (DUAL)

  Voltage     V core   JV1     JV2      JV3     JV4       JV5       JV6

    3.3v      2.8v      1 &    Open    Open     Open    Closed     Open
                       3, 2
                       & 4

  Note: Pins designated should be in the closed position.

