MICRO-STAR INTERNATIONAL CO., LTD.

MS-6123

Device Type             Mainboard
Processor               Pentium II
Processor Speed         200/233/266/300/333MHz
Chip Set                Intel 440EX
Audio Chip Set          Yamaha
Maximum Onboard Memory  256MB (EDO & SDRAM supported)
Cache                   256/512KB (located on the Pentium II CPU)
BIOS                    Unidentified
Dimensions              244mm x 190mm
I/O Options             32-bit PCI slots (2), floppy drive interfaceIDE
                        interfaces (2), parallel port, PS/2 mouse port,
                        serial ports (2), IR connector, USB connectors
                        (2), ATX power connector, AGP slot

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                Location

  AGP slot                 AGP        CPU fan power            JFAN1

  ATX power connector      ATX        IDE interface LED   JFP1/pins 1 & 8

  CPU fan power           CFAN1       Power LED           JFP1/pins 2 - 4

  Serial port 2            CN1        Power switch        JFP1/pins 5 & 6

  Serial port 1            CN2        Speaker              JFP1/pins 9 -
                                                                12

  Parallel port            CN3        Reset switch         JFP1/pins 13 &
                                                                14

  USB connector 1          CN4        Suspend switch           JGS1

  USB connector 2          CN5        Green PC LED             JGL1

  PS/2 mouse port          CN6        Wake on modem           JMODEM1
                                      connector

  IDE interface 1          CN7        Wake on LAN              JWOL1
                                      connector

  IDE interface 2          CN8        Soft power off           JSW1
                                      switch

  Floppy drive             CN9        32-bit PCI slots       PC1 - PC2
  interface

  IR connector             IR1        Chassis fan power       PSFAN1

  SB link connector         J6        Power supply fan         SFAN1
                                      power

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Flash BIOS voltage select 12v         JMODE1          Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 5v          JMODE1          Pins 2 & 3
                                                              closed

  »   CMOS memory normal operation           JBAT1          Pins 1 & 2
                                                              closed

      CMOS memory clear                      JBAT1          Pins 2 & 3
                                                              closed

  »   Boot up by switch                       JP5             Closed

      Immediate boot up                       JP5              Open

                            DIMM CONFIGURATION

        Size           Bank 0        Bank 1       Bank 2        Bank 3

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

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

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

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

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

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

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

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

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

                        DIMM CONFIGURATION (CONT’)

        Size           Bank 0        Bank 1       Bank 2        Bank 3

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

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

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

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

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

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

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

       130 MB          (1) 8M x     (1) 8M x      (1) 4M x       None
                         64            64           64

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

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

                      CACHE CONFIGURATION

  Note: The 256/512KB cache is located on the Pentium II CPU.

                       CPU SPEED SELECTION (PENTIUM)

    CPU       Clock    Multiplier     SW1/1    SW1/2     SW1/3     SW1/4
   speed     speed

  200MHz     66MHz         3x          On        On       Off       On

  233MHz     66MHz        3.5x         On       Off       Off       On

  266MHz     66MHz         4x          On        On        On       Off

  300MHz     66MHz        4.5x         On       Off        On       Off

  333MHz     66MHz         5x          On        On       Off       Off