
KADATCO CO., LTD.

AM-538

Device Type       Mainboard
Processor         CX 6X86/IBM 6X86/CX 686MX/IBM 6X86MX/AM K5/AM K6/Pentium
Processor Speed   75/90/100/120/133/150/166/180/200/233MHz
Chip Set          VIA
Video Chip Set    None
Maximum Onboard   256MB (EDO & SDRAM supported)
Memory
Maximum Video     None
Memory
Cache             256/512KB
BIOS              Award
Dimensions        254mm x 218mm
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), USB connector
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose               Location       Purpose                Location

  Power LED &          CN1/pins 1 -    IDE interface 1          CN5
  keylock                   5

  Speaker              CN1/pins 7 -    IDE interface 2          CN6
                           10

  IDE interface LED   CN1/pins 12 &    Floppy drive             CN7
                           24          interface

  Green PC            CN1/pins 17 &    Serial port 2            CN8
  connector                18

  Reset switch        CN1/pins 21 &    Parallel port            CN9
                           22

  Serial port 1            CN3         USB connector             J3

  PS/2 mouse               CN4         32-bit PCI slots      PC1  PC4
  interface

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     CMOS memory normal operation         JBAT        Pins 1 & 2 closed

      CMOS memory clear                    JBAT        Pins 2 & 3 closed

     Factory configured - do not          JCK4          Unidentified
      alter

     Factory configured - do not           J1           Unidentified
      alter

     Factory configured - do not           J2           Unidentified
      alter

     Factory configured - do not           CN2          Unidentified
      alter

              SIMM CONFIGURATION

         Size                  Bank 0

          4MB               (2) 512K x 36

          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

            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

           DIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

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

            Note: Board accepts SDRAM memory.

                        DIMM VOLTAGE CONFIGURATION

         Voltage                   JACK1                    JACK2

            3.3v            Pins 1 & 2 closed        Pins 1 & 2 closed

              5v             Pins 2 & 3 closed        Pins 2 & 3 closed

                    CACHE CONFIGURATION

  Note: The location of the 256KB/512KB is unidentified.

                       CPU SPEED SELECTION (CX 6X86)

   CPU      Clock   Multiplier   JBF1   JBF2    JBF3   JCK5   JCK6   JCK7
  speed    speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86)

   CPU      Clock   Multiplier   JBF1   JBF2    JBF3   JCK5   JCK6   JCK7
  speed    speed

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

   CPU      Clock   Multiplier   JBF1   JBF2    JBF3   JCK5   JCK6   JCK7
  speed    speed

  166MHz   60MHz       2.5x       1 &    1 &    Open   1 &    2 &     2 &
                                  2      2              2      3      3

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

  233MHz   75MHz       2.5x       1 &    1 &    Open   1 &    2 &     1 &
                                  2      2              2      3      2

  Note: Pins designated should be in the closed position.

                     CPU SPEED SELECTION (IBM 6X86MX)

   CPU      Clock   Multiplier   JBF1   JBF2    JBF3   JCK5   JCK6   JCK7
  speed    speed

  166MHz   60MHz       2.5x       1 &    1 &    Open   1 &    2 &     2 &
                                  2      2              2      3      3

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

   CPU      Clock   Multiplier   JBF1   JBF2    JBF3   JCK5   JCK6   JCK7
  speed    speed

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

   CPU      Clock   Multiplier   JBF1   JBF2    JBF3   JCK5   JCK6   JCK7
  speed    speed

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

   CPU      Clock   Multiplier   JBF1   JBF2    JBF3   JCK5   JCK6   JCK7
  speed    speed

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

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

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IMTEL MMX)

   CPU      Clock   Multiplier   JBF1   JBF2    JBF3   JCK5   JCK6   JCK7
  speed    speed

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

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

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

  Note: Pins designated should be in the closed position.

                           CPU VOLTAGE SELECTION

      Voltage              JCK1              JCK2              JCK3

          1.8v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          1.9v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          2.0v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          2.1v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          2.2v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          2.3v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          2.4v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          2.5v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          2.6v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          2.7v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          2.8v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          2.9v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          3.0v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          3.1v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

          3.2v          Pins 1 & 2        Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

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

          3.4v          Pins 2 & 3        Pins 2 & 3        Pins 2 & 3
                          closed            closed            closed

          3.5v          Pins 2 & 3        Pins 2 & 3        Pins 2 & 3
                          closed            closed            closed

                           CPU VOLTAGE SELECTION

  Voltage      JP1/pins    JP1/pins    JP1/pins     JP1/pins   JP1/pins 9
                1 & 2       3 & 4       5 & 6        7 & 8        &10

      1.8v      Open        Open         Open        Open         Open

      1.9v      Open        Open         Open        Open        Closed

      2.0v      Open        Open         Open       Closed        Open

      2.1v      Open        Open         Open       Closed       Closed

      2.2v      Open        Open        Closed       Open         Open

      2.3v      Open        Open        Closed       Open        Closed

      2.4v      Open        Open        Closed      Closed        Open

      2.5v      Open        Open        Closed      Closed       Closed

      2.6v      Open       Closed        Open        Open         Open

      2.7v      Open       Closed        Open        Open        Closed

      2.8v      Open       Closed        Open       Closed        Open

      2.9v      Open       Closed        Open       Closed       Closed

      3.0v      Open       Closed       Closed       Open         Open

      3.1v      Open       Closed       Closed       Open        Closed

      3.2v      Open       Closed       Closed      Closed        Open

     3.3v      Open       Closed       Closed      Closed       Closed

      3.4v     Closed       Open         Open        Open         Open

      3.5v     Closed       Open         Open        Open        Closed

