
ACHITEC CORPORATION, LTD.

ACHI-154

Device Type             Mainboard
Processor               CX 6X86L/CX 686MX/AM K5/AM K6/Pentium
Processor Speed         133/150/166/200/233MHz
Chip Set                VIA
Video Chip Set          None
Maximum Onboard Memory  512MB (EDO & SDRAM supported)
Maximum Video Memory    None
Cache                   512KB
BIOS                    Award
Dimensions              220mm x 190mm
I/O Options             32-bit PCI slots (3), floppy drive interface, IDE
                        interfaces (2), parallel port, PS/2 mouse
                        interface, serial ports (2), USB connector, ATX
                        power connector
NPU Options             None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                 Location

  ATX power connector       ATX        Parallel port             CN4

  Soft off power            C1         IDE interface             CN5
  supply

  IR connector              C2         Floppy drive              CN6
                                       interface

  Serial port               CN1        PS/2 mouse                CN7
                                       interface

  Serial port               CN2        32-bit PCI slots       PC1 - PC3

  IDE interface             CN3        USB connector             USB

  Note: Depending on board version, CN3 may be the parallel interface &
  CN4 may be the floppy drive interface.

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           C3           Unidentified
      alter

     Factory configured - do not           C4           Unidentified
      alter

     CMOS normal operation                 JP1        Pins 1 & 2 closed

      CMOS memory clear                     JP1        Pins 2 & 3 closed

     Factory configured - do not           JP3          Unidentified
      alter

     Factory configured - do not           JP4          Unidentified
      alter

      Power supply select AT                JP7              Open

      Power supply select ATX               JP7             Closed

         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

      256MB          (2) 32M x 36

      512MB          (2) 64M x 36

  Note: Board accepts EDO memory.

             DIMM CONFIGURATION

     Size          Bank 0        Bank 1

      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

          DIMM CONFIGURATION (CON'T)

      Size          Bank 0          Bank 1

      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

      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) 32M x 64       None

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

     264MB        (1) 32M x 64   (1) 1M x 64

     272MB        (1) 32M x 64   (1) 2M x 64

     288MB        (1) 32M x 64   (1) 4M x 64

     320MB        (1) 32M x 64   (1) 8M x 64

     384MB        (1) 32M x 64   (1) 16M x 64

     512MB        (1) 32M x 64   (1) 32M x 64

  Note: Board accepts SDRAM memory.

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (1) 64K x 64

                          CPU SPEED SELECTION (CX 6X86L)

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

  133MHz   60MHz       2x       Open    Open    Closed   Closed   Closed   Closed

  166MHz   66MHz       2x       Open    Open    Closed   Closed   Open     Closed

  200MHz   75MHz       2x       Open    Open    Closed   Open     Closed   Open

                         CPU SPEED SELECTION (CX 6X86MX)

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

  166MHz   66MHz       2x       Open     Open    Closed   Closed   Open    Closed

  200MHz   66MHz      2.5x      Open    Closed   Closed   Closed   Open    Closed

  233MHz   66MHz       3x       Open    Closed    Open    Closed   Open    Closed

  266MHz   66MHz      3.5x      Open     Open     Open    Closed   Open    Closed

                           CPU SPEED SELECTION (AM K5)

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

  133MHz   66MHz       2x       Open     Open    Closed   Closed   Open    Closed

  166MHz   66MHz      2.5x      Open    Closed   Closed   Closed   Open    Closed

  200MHz   66MHz       3x       Open    Closed    Open    Closed   Open    Closed

                           CPU SPEED SELECTION (AM K6)

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

  166MHz   66MHz      2.5x      Open    Closed   Closed   Closed   Open    Closed

  200MHz   66MHz       3x       Open    Closed    Open    Closed   Open    Closed

  233MHz   66MHz      3.5x      Open     Open     Open    Closed   Open    Closed

                            CPU SPEED SELECTION (INTEL)

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

  133MHz   66MHz       2x       Open     Open    Closed   Closed   Open     Closed

  150MHz   60MHz      2.5x      Open    Closed   Closed   Closed   Closed   Open

  166MHz   66MHz      2.5x      Open    Closed   Closed   Closed   Open     Closed

  200MHz   66MHz       3x       Open    Closed    Open    Closed   Open     Closed

                         CPU SPEED SELECTION (INTEL MMX)

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

  166MHz   66MHz      2.5x      Open    Closed   Closed   Closed   Open    Closed

  200MHz   66MHz       3x       Open    Closed    Open    Closed   Open    Closed

  233MHz   66MHz      3.5x      Open     Open     Open    Closed   Open    Closed

                CPU VOLTAGE SELECTION

  Voltage    JP6/1      JP6/2      JP6/3      JP6/4

    2.0       Open       Open      Open       Open

    2.1      Closed      Open      Open       Open

    2.2       Open      Closed     Open       Open

    2.3      Closed     Closed     Open       Open

    2.4       Open       Open     Closed      Open

    2.5      Closed      Open     Closed      Open

    2.6       Open      Closed    Closed      Open

    2.7      Closed     Closed    Closed      Open

    2.8       Open       Open      Open      Closed

    2.9      Closed      Open      Open      Closed

    3.0       Open      Closed     Open      Closed

    3.1      Closed     Closed     Open      Closed

    3.2       Open       Open     Closed     Closed

    3.3      Closed      Open     Closed     Closed

    3.4       Open      Closed    Closed     Closed

    3.5      Closed     Closed    Closed     Closed

