
ACHME COMPUTER, INC.

MS-5172

Device Type                Mainboard
Processor                  CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium
Processor Speed            Unidentified
Chip Set                   SIS
Video Chip Set             None
Maximum Onboard Memory     768MB (EDO & SDRAM supported)
Maximum Video Memory       None
Cache                      512KB
BIOS                       Unidentified
Dimensions                 305mm x 186mm
I/O Options                32-bit PCI slots (3), floppy drive interface,
                           MIDI/game port, green PC connector, IDE
                           interfaces (2), parallel port, PS/2 mouse port,
                           serial ports (2), IR connector, USB connectors
                           (2), ATX power connector, AGP slot, line in,
                           line out, microphone in, audio in  CD-ROMs (2)
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                Location

  AGP slot                 AGP        Wake on LAN               J2
                                      connector

  ATX power                ATX        Wake on modem             J3
  connector                           connector

  Game/MIDI port           CN1        Green PC LED         J4/pins 1 & 2

  Microphone in            CN2        Soft off power       J4/pins 3 & 4
                                      supply

  Line in                  CN3        Audio in  CD-ROM        JCD1

  Line out                 CN4        Audio in  CD-ROM        JCD2

  Serial port 2            CN5        Turbo LED           JFP1/pins 2 & 3

  Serial port 1            CN6        Reset switch         JFP1/pins 9 &
                                                                10

  Parallel port            CN7        IDE interface LED    JFP1/pins 12 &
                                                                24

  USB connector 1          CN8        Power LED &          JFP1/pins 13 -
                                      keylock                   17

  USB connector 2          CN9        Speaker              JFP1/pins 19 -
                                                                22

  PS/2 mouse port         CN10        Remote power        JP4/pins 3 & 4
                                      on/off switch

  IDE interface 2         CN11        IR connector              IR1

  IDE interface 1         CN12        32-bit PCI slots       PC1  PC3

  Floppy drive            CN13        Chassis fan power         SYS
  interface

  CPU fan power            CPU

  Note: The location of J2 & JP4 is unidentified.

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     CMOS memory normal operation         JBAT        Pins 1 & 2 closed

      CMOS memory clear                    JBAT        Pins 2 & 3 closed

      Power on mode voltage select          JP1        Pins 1 & 2 closed
      5v

      Power on mode voltage select          JP1        Pins 2 & 3 closed
      5vsb

      Cyrix linear mode enabled             JP2             Closed

      Cyrix linear mode disabled            JP2              Open

     Flash BIOS voltage select 5v          JP3        Pins 2 & 3 closed

      Flash BIOS voltage select 12v         JP3        Pins 1 & 2 closed

     Factory configured - do not           JV2          Unidentified
      alter

                    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

                  DIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1          Bank 2

      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

      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

                        DIMM CONFIGURATION (CONT)

       Size              Bank 0            Bank 1             Bank 2

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

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

  Note: Board accepts EDO & SDRAM memory. 384MB maximum if using SDRAM
  memory. 768MB maximum if using EDO memory.

                            CACHE CONFIGURATION

  Note: 512KB cache is factory installed and is not configurable. The
  location is unidentified.

                        CPU CLOCK SPEED SELECTION

  CPU speed    AGP speed   PCI speed     SW1/4        SW1/5       SW1/6

    60MHz       60MHz        30MHz         On           On          On

    66MHz       66MHz        33MHz        Off           On          On

   68.5MHz     68.5MHz       34MHz         On          Off          On

    75MHz       75MHz       37.5MHz       Off          Off          On

    75MHz       64MHz        32MHz         On           On         Off

    83MHz       66MHz        33MHz        Off           On         Off

    90MHz       60MHz        30MHz         On          Off         Off

   100MHz       66MHz        33MHz        Off          Off         Off

               CPU MULTIPLIER SELECTION

  Multiplier      SW1/1         SW1/2        SW1/3

     1.5x          Off           Off          Off

      2x           On            Off          Off

     2.5x          On            On           Off

      3x           Off           On           Off

     3.5x          Off           Off          Off

      4x           On            Off           On

     4.5x          On            On            On

                           CPU VOLTAGE SELECTION

        Voltage                V core                     JV3

          3.3v                  2.0v                      Open

          3.3v                  2.1v               Pins 9 & 10 closed

          3.3v                  2.2v               Pins 7 & 8 closed

          3.3v                  2.3v           Pins 7 & 8, 9 & 10 closed

          3.3v                  2.4v               Pins 5 & 6 closed

          3.3v                  2.5v           Pins 5 & 6, 9 & 10 closed

          3.3v                  2.6v           Pins 5 & 6, 7 & 8, closed

          3.3v                  2.7v            Pins 5 & 6, 7 & 8, 9 & 10
                                                         closed

          3.3v                  2.8v               Pins 3 & 4 closed

          3.3v                  2.9v           Pins 3 & 4, 9 & 10 closed

          3.3v                  3.0v            Pins 3 & 4, 7 & 8 closed

          3.3v                  3.1v            Pins 3 & 4, 7 & 8, 9 & 10
                                                         closed

          3.3v                  3.2v            Pins 3 & 4, 5 & 6 closed

          3.3v                  3.3v            Pins 3 & 4, 5 & 6, 9 & 10
                                                         closed

          3.3v                  3.4v            Pins 3 & 4, 5 & 6, 7 & 8
                                                         closed

          3.5v                  3.5v            Pins 3 & 4, 5 & 6, 7 & 8,
                                                     9 & 10 closed

                 CPU VOLTAGE SELECTION

          Setting                       JV1

           Single                      Open

            Dual             Pins 1 & 2, 3 & 4 closed

