
ACHME COMPUTER, INC.

MS-5145

Processor         CX M1/AM K5/AM K6/Pentium
Processor Speed   75/90/100/120/133/150/166/180/200/233MHz
Chip Set          Intel
Video Chip Set    None
Maximum Onboard   256MB (EDO supported)
Memory
Maximum Video     None
Memory
Cache             256/512KB
BIOS              Award
Dimensions        265mm 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), cache slot, IR connector,
                  USB connector
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Serial port 1            CN1         Turbo LED            JFP/pins 12 &
                                                                 13

  Parallel port            CN2         Reset switch         JFP/pins 19 &
                                                                 20

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

  Floppy drive             CN4         Green PC LED              JGL
  interface

  IDE interface 2          CN5         Green PC connector        JGS

  IDE interface 1          CN6         PS/2 mouse                JM1
                                       interface

  Chassis fan power        FAN         32-bit PCI slots       PC1  PC4

  IR connector             IR1         Cache slot                SL1

  Power LED &          JFP/pins 1 -    USB connector             USB
  keylock                   5

  Speaker              JFP/pins 7 -
                            10

                        USER CONFIGURABLE SETTINGS

               Function                    Label            Position

     CMOS memory normal operation          BAT        Pins 1 & 2 closed

      CMOS memory clear                     BAT        Pins 2 & 3 closed

     Factory configured - do not           J17           Unidentifed
      alter

                      DIMM/DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       8MB         (1) 1M x 64          None            None

      12MB         (1) 1M x 64          None        (2) 512K x 36

      16MB         (1) 2M x 64          None            None

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

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

      20MB         (1) 2M x 64          None        (2) 512K x 36

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

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

      32MB         (1) 4M x 64          None            None

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

      32MB         (1) 2M x 64          None         (2) 2M x 36

      36MB         (1) 4M x 64          None        (2) 512K x 36

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

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

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

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

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

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

      64MB         (1) 8M x 64          None            None

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

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

      68MB         (1) 8M x 64          None        (2) 512K x 36

                      DIMM/DRAM CONFIGURATION (CONT)

       Size              Bank 0           Bank 1             Bank 2

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

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

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

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

       80MB           (1) 2M x 64          None            (2) 8M x 36

       80MB           (1) 8M x 64          None            (2) 2M x 36

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

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

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

       128MB          (1) 16M x 64         None               None

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

       128MB          (1) 8M x 64          None            (2) 8M x 36

       132MB          (1) 16M x 64         None           (2) 512K x 36

       136MB          (1) 1M x 64          None           (2) 16M x 36

       136MB          (1) 16M x 64         None            (2) 1M x 36

       144MB          (1) 2M x 64          None           (2) 16M x 36

       144MB          (1) 16M x 64         None            (2) 2M x 36

       160MB          (1) 4M x 64          None           (2) 16M x 36

       160MB          (1) 16M x 64         None            (2) 4M x 36

       192MB          (1) 8M x 64          None           (2) 16M x 36

       192MB          (1) 16M x 64         None            (2) 8M x 36

       256MB          (1) 16M x 64     (1) 16M x 64           None

       256MB          (1) 16M x 64         None           (2) 16M x 36

  Note: Board accepts EDO memory. Banks 0 & 1 are interchangeable. Board
  does not accept SDRAM.

               DIMM VOLTAGE CONFIGURATION

          Voltage                       J1

            3.3v             Pins 1 & 3, 2 & 4 closed

             5v              Pins 3 & 5, 4 & 6 closed

                CACHE CONFIGURATION

           Size                      SL1

          256KB            256KB module installed

          512KB            512KB module installed

                         CPU SPEED SELECTION (CYRIX)

   CPU     Clock   Multiplier   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6
  speed    speed

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

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

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

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

                         CPU SPEED SELECTION (AMD K5)

   CPU     Clock   Multiplier   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6
  speed    speed

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

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

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

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

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

                         CPU SPEED SELECTION (AMD K6)

   CPU     Clock   Multiplier   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6
  speed    speed

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

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

  233MHz   66MHz      3.5x       Off     Off     Off    Off     Off     Off

                         CPU SPEED SELECTION (INTEL)

   CPU     Clock   Multiplier   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6
  speed    speed

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

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

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

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

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

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

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

  180MHz   60MHz       3x        On      Off     Off    Off      On     Off

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

  233MHz   66MHz      3.5x       Off     Off     Off    Off     Off     Off

                      CPU VOLTAGE SELECTION (SINGLE)

  Voltage      J14      JV1         JV2      JV3       JV4         JV5

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

    3.5v       1 &      Open      Closed     2 & 3    Closed     Closed
               3, 2
               & 4

  Note: Pins designated should be in the closed position.

                       CPU VOLTAGE SELECTION (DUAL)

  Voltage    V core    J14      JV1       JV2      JV3     JV4      JV5

   3.3v      2.8v     Open     Closed     Open      2 &    Open     Open
                                                    3

   3.3v      2.9v     Open      Open      Open      2 &    Open     Open
                                                    3

   3.3v      3.2v     Open     Closed    Closed     2 &    Open     Open
                                                    3

  Note: Pins designated should be in the closed position.

