
ACHME COMPUTER, INC.

MS-5170

Device Type                Mainboard
Processor                  CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium
Processor Speed            Unidentified
Chip Set                   Intel
Video Chip Set             None
Maximum Onboard Memory     256MB (EDO & SDRAM supported)
Maximum Video Memory       None
Cache                      512KB
BIOS                       Unidentified
Dimensions                 220mm x 220mm
I/O Options                32-bit PCI slots (4), floppy drive interface,
                           green PC connector, IDE interfaces (2),
                           parallel 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             JFP1/pins 19 -
  connector                                                     22

  Serial port 2            CN1         IDE interface LED   JFP1/pins 12 &
                                                                24

  Serial port 1            CN2         IR connector            JIR2

  Parallel port            CN3         Green PC                JGS1
                                       connector

  Floppy drive             CN4         Green PC LED            JGL1
  interface

  IDE interface 2          CN5         PS/2 mouse              JMS1
                                       interface

  IDE interface 1          CN6         Soft off power          JRMS1
                                       supply

  Chassis fan power       JFAN         Soft off power          JRMS2
                                       supply

  Turbo LED           JFP1/pins 2 &    32-bit PCI slots      PC1  PC4
                            3

  Reset switch        JFP1/pins 9 &    Chassis fan power       PFAN
                           10

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

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J3           Unidentified
      alter

     Factory configured - do not          JBAT          Unidentified
      alter

         SIMM CONFIGURATION

       Size             Bank 0

       8MB           (2) 1M x 36

       16MB          (2) 2M x 36

       32MB          (2) 4M x 36

       64MB          (2) 8M x 36

      128MB          (2) 16M x 36

  Note: Board accepts EDO memory.

             DIMM CONFIGURATION

     Size          Bank 1        Bank 2

      8MB        (1) 1M x 64      None

     16MB        (1) 2M x 64      None

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

     24MB        (1) 2M x 64   (1) 1M x 64

     32MB        (1) 4M x 64      None

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

     40MB        (1) 4M x 64   (1) 1M x 64

     48MB        (1) 4M x 64   (1) 2M x 64

     64MB        (1) 8M x 64      None

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

     72MB        (1) 8M x 64   (1) 1M x 64

     80MB        (1) 8M x 64   (1) 2M x 64

          DIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

      96MB        (1) 8M x 64    (1) 4M x 64

     128MB        (1) 16M x 64       None

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

     136MB        (1) 16M x 64   (1) 1M x 64

     144MB        (1) 16M x 64   (1) 2M x 64

     160MB        (1) 16M x 64   (1) 4M x 64

     192MB        (1) 16M x 64   (1) 8M x 64

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

  Note: Board accepts SDRAM memory.

                            CACHE CONFIGURATION

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

  CPU BUS SPEED SELECTION

  Speed    SW1/4    SW1/5

  55MHz     On        On

  60MHz     On       Off

  66MHz     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

                      CPU VOLTAGE SELECTION

  Voltage    V core       JV1        JV2        JV4       JV5

   3.3v       2.0v       Open       Open       Open       Open

   3.3v       2.1v      Closed      Open       Open       Open

   3.3v       2.5v      Closed      Open      Closed      Open

   3.3v       2.8v       Open       Open       Open      Closed

   3.3v       2.9v      Closed      Open       Open      Closed

   3.3v       3.2v       Open       Open      Closed     Closed

   3.3v       3.3v      Closed      Open      Closed     Closed

   3.5v       3.5v      Closed     Closed     Closed     Closed

          CPU VOLTAGE SELECTION

       Setting               JV3

       Single         Pins 1 & 2 closed

        Dual          Pins 2 & 3 closed

                              POWER SELECTION

               Setting                                 J2

  System always off when AC power is            Pins 1 & 2 closed
                  on

  System goes to last status when AC            Pins 2 & 3 closed
   power on for internal test only

   System always on when AC power is                  Open
                  on

