
ACHME COMPUTER, INC.

MS-6112

Device Type             Mainboard
Processor               Pentium II
Processor Speed         200/233/266/300/333MHz
Chip Set                Intel
Video Chip Set          None
Maximum Onboard Memory  1024MB (EDO & SDRAM supported)
Maximum Video Memory    None
Cache                   256/512KB (located on Pentium II CPU)
BIOS                    Unidentified
Dimensions              300mm x 230mm
I/O Options             32-bit PCI slots (3), floppy drive interface, IDE
                        interfaces (2), parallel port, PS/2 mouse port,
                        serial ports (2), IR connector, USB connectors
                        (2), ATX power connector, AGP slot
NPU Options             None

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                Location

  AGP slot                 AGP        Chassis fan power        JFAN

  ATX power                ATX        Power LED &         JFP1/pins 1 - 5
  connector                           keylock

  CPU fan power           CFAN        Speaker             JFP1/pins7 - 10

  Parallel port            CN1        Turbo LED            JFP1/pins 12 &
                                                                13

  Serial port 2            CN2        Reset switch         JFP1/pins 19 &
                                                                20

  Serial port 1            CN3        IDE interface LED    JFP1/pins 22 &
                                                                24

  USB connector 1          CN4        Green PC LED             JGL1

  USB connector 2          CN5        Soft off power           JSW1
                                      supply

  PS/2 mouse port          CN6        Soft off power           JSW2
                                      supply

  Floppy drive             CN7        32-bit PCI slots       PC1  PC3
  interface

  IDE interface 2          CN8        Power supply fan         PFAN

  IDE interface 1          CN9        Chassis fan power        SFAN

  IR connector             IR1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Factory configured - do not alter        J3           Pins 2 & 3
                                                              closed

     Factory configured - do not alter        J4           Pins 2 & 3
                                                              closed

     CMOS memory normal operation            JBAT          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JBAT          Pins 2 & 3
                                                              closed

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

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

                    DIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (1) 1M x 64        None          None

     16MB       (1) 2M x 64        None          None

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

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

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

     32MB       (1) 4M x 64        None          None

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

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

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

     40MB       (1) 2M x 64    (1) 2M x 64    (1) 1M x 64

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

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

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

                        DIMM CONFIGURATION (CONT)

        Size              Bank 0           Bank 1             Bank 2

        56MB           (1) 4M x 64       (1) 2M x 64       (1) 1M x 64

        64MB           (1) 8M x 64          None               None

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

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

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

        72MB           (1) 4M x 64       (1) 4M x 64       (1) 1M x 64

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

        80MB           (1) 8M x 64       (1) 2M x 64           None

        80MB           (1) 4M x 64       (1) 4M x 64       (1) 2M x 64

        88MB           (1) 8M x 64       (1) 2M x 64       (1) 1M x 64

        96MB           (1) 8M x 64       (1) 2M x 64       (1) 2M x 64

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

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

       104MB           (1) 8M x 64       (1) 4M x 64       (1) 1M x 64

       112MB           (1) 8M x 64       (1) 4M x 64       (1) 2M x 64

       128MB           (1) 16M x 64         None               None

       128MB           (1) 8M x 64       (1) 4M x 64       (1) 4M x 64

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

       136MB           (1) 16M x 64      (1) 1M x 64           None

       136MB           (1) 8M x 64       (1) 8M x 64       (1) 1M x 64

       144MB           (1) 16M x 64      (1) 1M x 64       (1) 1M x 64

       144MB           (1) 16M x 64      (1) 2M x 64           None

       144MB           (1) 8M x 64       (1) 8M x 64       (1) 2M x 64

       152MB           (1) 16M x 64      (1) 2M x 64       (1) 1M x 64

       160MB           (1) 16M x 64      (1) 2M x 64       (1) 2M x 64

       160MB           (1) 16M x 64      (1) 4M x 64           None

       160MB           (1) 8M x 64       (1) 8M x 64       (1) 4M x 64

       168MB           (1) 16M x 64      (1) 4M x 64       (1) 1M x 64

       176MB           (1) 16M x 64      (1) 4M x 64       (1) 2M x 64

       192MB           (1) 16M x 64      (1) 4M x 64       (1) 4M x 64

       192MB           (1) 16M x 64      (1) 8M x 64           None

       192MB           (1) 8M x 64       (1) 8M x 64       (1) 8M x 64

       200MB           (1) 16M x 64      (1) 8M x 64       (1) 1M x 64

       208MB           (1) 16M x 64      (1) 8M x 64       (1) 2M x 64

       224MB           (1) 16M x 64      (1) 8M x 64       (1) 4M x 64

       256MB           (1) 16M x 64      (1) 8M x 64       (1) 8M x 64

       384MB           (1) 16M x 64     (1) 16M x 64       (1) 16M x 64

       512MB           (1) 64M x 64         None               None

       512MB           (1) 32M x 64     (1) 32M x 64           None

       768MB           (1) 32M x 64     (1) 32M x 64       (1) 32M x 64

       1024MB          (1) 64M x 64     (1) 64M x 64           None

  Note: Board accepts EDO & SDRAM memory. SDRAM maximum memory is 512MB.
  EDO maximum memory is 1024MB.

                     CACHE CONFIGURATION

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

     CPU SPEED SELECTION

  Speed      J9       J10

  66MHz     Open      Open

  68MHz     Open     Closed

  75MHz     Closed    Open

                            CPU SPEED SELECTION

    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

