
KADATCO CO., LTD.

AM-548

Device Type       Mainboard
Processor         CX 6X86L/CX M2/IBM6X86L/IBM M2/AM K6/Pentium
Processor Speed   75/90/100/120/133/150/166/180/200/233MHz
Chip Set          Intel
Video Chip Set    Unidentified
Maximum Onboard   384MB (EDO & SDRAM supported) Unified Memory
Memory            Architecture (UMA)
Cache             512KB
BIOS              Unidentified
Dimensions        330mm x 218mm
I/O Options       32-bit PCI slots (5), 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         IR connector             IR1
  connector

  Serial port 1            CN1         Speaker             J3/pins 1, 3,
                                                               5, 7

  Serial port 2            CN2         Power LED &         J3/pins 2, 4,
                                       keylock               6, 8, 10

  Parallel port            CN3         Turbo LED          J3/pins 13 & 14

  Floppy drive             CN4         IDE interface      J3/pins 15 & 16
  interface                            LED

  IDE interface 1          CN5         Reset switch       J3/pins 17 & 18

  IDE interface 2          CN6         Green PC LED       J3/pins 19 & 20

  PS/2 mouse               CN7         Green PC           J3/pins 21 & 22
  interface                            connector

  VGA interface            CN8         32-bit PCI slots      PC1  PC4

  Soft off power           J1          USB connector            USB
  supply

  Chassis fan power        J2

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP2           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP2           Pins 2 & 3
                                                              closed

      On board video enabled                  JP3           Pins 2 & 3
                                                              closed

      On board video disabled                 JP3           Pins 1 & 2
                                                              closed

      PCI clock speed select CPU CLK/2        JP5D          Pins 1 & 2
                                                              closed

      PCI clock speed select CPU CLK =        JP5D          Pins 2 & 3
      33MHz                                                   closed

             SIMM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      None

     16MB        (2) 2M x 36      None

     16MB        (2) 1M x 36   (2) 1M x 36

     24MB        (2) 2M x 36   (2) 1M x 36

     32MB        (2) 4M x 36      None

     32MB        (2) 2M x 36   (2) 2M x 36

     40MB        (2) 4M x 36   (2) 1M x 36

     48MB        (2) 4M x 36   (2) 2M x 36

     64MB        (2) 8M x 36      None

     64MB        (2) 4M x 36   (2) 4M x 36

     72MB        (2) 8M x 36   (2) 1M x 36

     80MB        (2) 8M x 36   (2) 2M x 36

     96MB        (2) 8M x 36   (2) 4M x 36

                        SIMM CONFIGURATION (CONT)

          Size                    Bank 0                   Bank 1

          128MB                (2) 8M x 36              (2) 8M x 36

          128MB                (2) 16M x 36                 None

          136MB                (2) 16M x 36             (2) 1M x 36

          144MB                (2) 16M x 36             (2) 2M x 36

          160MB                (2) 16M x 36             (2) 4M x 36

          192MB                (2) 16M x 36             (2) 8M x 36

          256MB                (2) 16M x 36             (2) 16M x 36

  Note: Board accepts EDO memory. It Is not recommended to install DIMMs
  & SIMMs at the same time.

                            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

          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) 8M x 64              (1) 8M x 64

            Note: Board accepts SDRAM memory. For maximum memory of
            384MB, fully populate all 4 banks.

               DIMM/SIMM VOLTAGE CONFIGURATION

       Voltage               JP4A                 JP4B

        3.3v           Pins 2 & 3 closed   Pins 2 & 3 closed

         5v            Pins 1 & 2 closed   Pins 1 & 2 closed

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (2) 64K x 32

                      CPU SPEED SELECTION (CX 6X86L)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  120MHz     50MHz        2x        2 & 3   2 & 3   2 & 3   2 & 3   1 & 2

  133MHz     55MHz        2x        1 & 2   2 & 3   2 & 3   2 & 3   1 & 2

  150MHz     60MHz        2x        2 & 3   2 & 3   1 & 2   2 & 3   1 & 2

  166MHz     66MHz        2x        2 & 3   1 & 2   2 & 3   2 & 3   1 & 2

  200MHz     75MHz        2x        1 & 2   2 & 3   1 & 2   2 & 3   1 & 2

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86L)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  120MHz     50MHz        2x        2 & 3   2 & 3   2 & 3   2 & 3   1 & 2

  133MHz     55MHz        2x        1 & 2   2 & 3   2 & 3   2 & 3   1 & 2

  150MHz     60MHz        2x        2 & 3   2 & 3   1 & 2   2 & 3   1 & 2

  166MHz     66MHz        2x        2 & 3   1 & 2   2 & 3   2 & 3   1 & 2

  200MHz     75MHz        2x        1 & 2   2 & 3   1 & 2   2 & 3   1 & 2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (CX M2)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  166MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  200MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  233MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (IBM M2)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  166MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  200MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  233MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

    CPU      Clock    Multiplier    JP3A    JP3B    JP3C    JP8A    JP8B
  speed      speed

  75MHz      50MHz       1.5x       2 & 3   2 & 3   2 & 3   1 & 2   1 & 2

  90MHz      60MHz       1.5x       2 & 3   2 & 3   1 & 2   1 & 2   1 & 2

  100MHz     66MHz       1.5x       2 & 3   1 & 2   2 & 3   1 & 2   1 & 2

  120MHz     60MHz        2x        2 & 3   2 & 3   1 & 2   2 & 3   1 & 2

  133MHz     66MHz        2x        2 & 3   1 & 2   2 & 3   2 & 3   1 & 2

  150MHz     60MHz       2.5x       2 & 3   2 & 3   1 & 2   2 & 3   2 & 3

  166MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  166MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  200MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  233MHz     66MHz       3.5x       2 & 3   1 & 2   2 & 3   1 & 2   1 & 2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU      Clock    Multiplier    JP3A    JP3B    JP3C    JP8A    JP8B
  speed      speed

  75MHz      50MHz       1.5x       2 & 3   2 & 3   2 & 3   1 & 2   1 & 2

  90MHz      60MHz       1.5x       2 & 3   2 & 3   1 & 2   1 & 2   1 & 2

  100MHz     66MHz       1.5x       2 & 3   1 & 2   2 & 3   1 & 2   1 & 2

  120MHz     60MHz        2x        2 & 3   2 & 3   1 & 2   2 & 3   1 & 2

  133MHz     66MHz        2x        2 & 3   1 & 2   2 & 3   2 & 3   1 & 2

  150MHz     60MHz       2.5x       2 & 3   2 & 3   1 & 2   2 & 3   2 & 3

  166MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  180MHz     60MHz        3x        2 & 3   2 & 3   1 & 2   1 & 2   2 & 3

  200MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

    CPU      Clock    Multiplier    JP5A    JP5B    JP5C    JP7A    JP7B
  speed      speed

  166MHz     66MHz       2.5x       2 & 3   1 & 2   2 & 3   2 & 3   2 & 3

  200MHz     66MHz        3x        2 & 3   1 & 2   2 & 3   1 & 2   2 & 3

  233MHz     66MHz       3.5x       2 & 3   1 & 2   2 & 3   1 & 2   1 & 2

  Note: Pins designated should be in the closed position.

                      CPU TYPE SELECTION

        Type                 JP8A                 JP8B

        P54C           Pins 2 & 3 closed   Pins 2 & 3 closed

       IDT C6          Pins 2 & 3 closed   Pins 2 & 3 closed

        CX M2          Pins 1 & 2 closed   Pins 1 & 2 closed

        AM K6          Pins 1 & 2 closed   Pins 1 & 2 closed

      CX 6X86L         Pins 1 & 2 closed   Pins 1 & 2 closed

      IBM 6X86L        Pins 1 & 2 closed   Pins 1 & 2 closed

        P55C           Pins 1 & 2 closed   Pins 1 & 2 closed

                      CPU VOLTAGE SELECTION

  Voltage     JP6A       JP6B       JP6C       JP6D       JP6E

   2.5v       Open       Open       Open       Open       Open

   2.8v       Open       Open       Open       Open      Closed

   2.9v       Open       Open       Open      Closed      Open

   3.2v       Open       Open      Closed      Open       Open

   3.3v       Open      Closed      Open       Open       Open

   3.5v      Closed      Open       Open       Open       Open

