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       # KADATCO CO., LTD.
       
          AM-535
       
          Device Type      Mainboard                                     
          Processor        CX 6X86/CX 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            256/512/1024KB                                
          BIOS             Unidentified                                  
          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), IR connector                       
          NPU Options      None                                          
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    C1    | IDE interface 1  |   CN1    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | IR connector      |    C2    | IDE interface 2  |   CN2    |
          |-------------------+----------+------------------+----------|
          | Speaker           |    C3    | Floppy drive     |   CN3    |
          |                   |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | CPU fan power     |    C4    | Serial port 1    |   CN4    |
          |-------------------+----------+------------------+----------|
          | Chassis fan power |    C5    | Serial port 2    |   CN5    |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    C6    | Parallel port    |   CN6    |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    C7    | PS/2 mouse       |   CN8    |
          |                   |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | Green PC          |    C8    | 32-bit PCI slots |  PC1 –   |
          | connector         |          |                  |   PC4    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JP6  |     Open     |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JP7  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          |   | CLK select synchronous          |  JP8  |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | CLK select asynchronous         |  JP8  |  Pins 2 & 3  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          | » | CMOS memory normal operation    | JP31  |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | CMOS memory clear               | JP31  |  Pins 2 & 3  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     | JP36  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     | JP37  | 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     |
          |------------------+--------------------+--------------------|
          |       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  |    JP25    |    JP26    |   JP27    |   JP28    |
          |----------+------------+------------+-----------+-----------|
          | » | 3.3v | Pins 1 & 2 | Pins 1 & 2 | Pins 1 &  | Pins 1 &  |
          |   |      |   closed   |   closed   | 2 closed  | 2 closed  |
          |---+------+------------+------------+-----------+-----------|
          |   |  5v  | Pins 2 & 3 | Pins 2 & 3 | Pins 2 &  | Pins 2 &  |
          |   |      |   closed   |   closed   | 3 closed  | 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |           256KB            |         (2) 32K x 32          |
          |----------------------------+-------------------------------|
          |           512KB            |         (2) 64K x 32          |
          |----------------------------+-------------------------------|
          |            1MB             |         (2) 128K x 32         |
          |------------------------------------------------------------|
          | Note: The location of the cache is unidentified.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               CPU SPEED SELECTION (CX 6X86)                |
          |------------------------------------------------------------|
          |   CPU   | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
          |  speed  | speed |            |     |     |     |     |     |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 120MHz  | 50MHz |     2x     | 1 & | 2 & | 2 & | 2 & | 2 & |
          |         |       |            |  2  |  3  |  3  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 133MHz  | 55MHz |     2x     | 1 & | 2 & | 2 & | 2 & | 1 & |
          |         |       |            |  2  |  3  |  3  |  3  |  2  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 150MHz  | 60MHz |     2x     | 1 & | 2 & | 1 & | 2 & | 2 & |
          |         |       |            |  2  |  3  |  2  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 166MHz  | 66MHz |     2x     | 1 & | 2 & | 2 & | 1 & | 2 & |
          |         |       |            |  2  |  3  |  3  |  2  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 200MHz  | 50MHz |    1.5x    | 1 & | 1 & | 2 & | 2 & | 2 & |
          |         |       |            |  2  |  2  |  3  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 200MHz  | 75MHz |     2x     | 1 & | 2 & | 1 & | 2 & | 1 & |
          |         |       |            |  2  |  3  |  2  |  3  |  2  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               CPU SPEED SELECTION (CX6X86MX)               |
          |------------------------------------------------------------|
          |   CPU   | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
          |  speed  | speed |            |     |     |     |     |     |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 166MHz  | 60MHz |    2.5x    | 2 & | 2 & | 1 & | 2 & | 2 & |
          |         |       |            |  3  |  3  |  2  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 200MHz  | 66MHz |    2.5x    | 2 & | 2 & | 2 & | 1 & | 2 & |
          |         |       |            |  3  |  3  |  3  |  2  |  3  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU SPEED SELECTION (AM K5)                 |
          |------------------------------------------------------------|
          |   CPU   | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
          |  speed  | speed |            |     |     |     |     |     |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          |  75MHz  | 50MHz |    1.5x    | 1 & | 1 & | 2 & | 2 & | 2 & |
          |         |       |            |  2  |  2  |  3  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          |  90MHz  | 60MHz |    1.5x    | 1 & | 1 & | 1 & | 2 & | 2 & |
          |         |       |            |  2  |  2  |  2  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 100MHz  | 66MHz |    1.5x    | 1 & | 1 & | 2 & | 1 & | 2 & |
          |         |       |            |  2  |  2  |  3  |  2  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 120MHz  | 60MHz |     2x     | 1 & | 1 & | 1 & | 2 & | 2 & |
          |         |       |            |  2  |  2  |  2  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 133MHz  | 66MHz |     2x     | 1 & | 1 & | 2 & | 1 & | 2 & |
          |         |       |            |  2  |  2  |  3  |  2  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 150MHz  | 60MHz |    2.5x    | 2 & | 2 & | 1 & | 2 & | 2 & |
          |         |       |            |  3  |  3  |  2  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 166MHz  | 66MHz |    2.5x    | 2 & | 2 & | 2 & | 1 & | 2 & |
          |         |       |            |  3  |  3  |  3  |  2  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 200MHz  | 66MHz |     3x     | 2 & | 1 & | 2 & | 1 & | 2 & |
          |         |       |            |  3  |  2  |  3  |  2  |  3  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU SPEED SELECTION (AM K6)                 |
          |------------------------------------------------------------|
          |   CPU   | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
          |  speed  | speed |            |     |     |     |     |     |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 166MHz  | 66MHz |    2.5x    | 2 & | 2 & | 2 & | 1 & | 2 & |
          |         |       |            |  3  |  3  |  3  |  2  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 200MHz  | 66MHz |     3x     | 2 & | 1 & | 2 & | 1 & | 2 & |
          |         |       |            |  3  |  2  |  3  |  2  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 233MHz  | 66MHz |    3.5x    | 1 & | 1 & | 2 & | 1 & | 2 & |
          |         |       |            |  2  |  2  |  3  |  2  |  3  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU SPEED SELECTION (INTEL)                 |
          |------------------------------------------------------------|
          |   CPU   | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
          |  speed  | speed |            |     |     |     |     |     |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          |  75MHz  | 50MHz |    1.5x    | 1 & | 1 & | 2 & | 2 & | 2 & |
          |         |       |            |  2  |  2  |  3  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          |  90MHz  | 60MHz |    1.5x    | 1 & | 1 & | 1 & | 2 & | 2 & |
          |         |       |            |  2  |  2  |  2  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 100MHz  | 66MHz |    1.5x    | 1 & | 1 & | 2 & | 1 & | 2 & |
          |         |       |            |  2  |  2  |  3  |  2  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 120MHz  | 60MHz |     2x     | 1 & | 2 & | 1 & | 2 & | 2 & |
          |         |       |            |  2  |  3  |  2  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 133MHz  | 66MHz |     2x     | 1 & | 2 & | 2 & | 1 & | 2 & |
          |         |       |            |  2  |  3  |  3  |  2  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 150MHz  | 60MHz |    2.5x    | 2 & | 2 & | 1 & | 2 & | 2 & |
          |         |       |            |  3  |  3  |  2  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 166MHz  | 66MHz |    2.5x    | 2 & | 2 & | 2 & | 1 & | 2 & |
          |         |       |            |  3  |  3  |  3  |  2  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 180MHz  | 60MHz |     3x     | 2 & | 1 & | 1 & | 2 & | 2 & |
          |         |       |            |  3  |  2  |  2  |  3  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 200MHz  | 66MHz |     3x     | 2 & | 1 & | 2 & | 1 & | 2 & |
          |         |       |            |  3  |  2  |  3  |  2  |  3  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              CPU SPEED SELECTION (INTEL MMX)               |
          |------------------------------------------------------------|
          |   CPU   | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
          |  speed  | speed |            |     |     |     |     |     |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 200MHz  | 66MHz |     3x     | 2 & | 1 & | 2 & | 1 & | 2 & |
          |         |       |            |  3  |  2  |  3  |  2  |  3  |
          |---------+-------+------------+-----+-----+-----+-----+-----|
          | 233MHz  | 66MHz |    3.5x    | 1 & | 1 & | 2 & | 1 & | 2 & |
          |         |       |            |  2  |  2  |  3  |  2  |  3  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               CPU VOLTAGE SELECTION (SINGLE)               |
          |------------------------------------------------------------|
          | Voltage  |   JP11   |  JP12   |  JP13   |  JP14   |  JP16  |
          |----------+----------+---------+---------+---------+--------|
          |   3.5v   | 11 & 12  |  2 & 3  |  2 & 3  |  2 & 3  | 1 & 2  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU VOLTAGE SELECTION (DUAL)                |
          |------------------------------------------------------------|
          | Voltage | V core |  JP11  |  JP12  | JP13  | JP14  | JP16  |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3.3v   |  2.7v  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3.5v   |  2.8v  | 3 & 4  | 1 & 2  | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3.3v   |  2.8v  | 3 & 4  | 1 & 2  | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3.3v   |  2.9v  | 5 & 6  | 1 & 2  | 1 & 2 | 1 & 2 | 2 & 3 |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3.5v   |  2.9v  | 5 & 6  | 1 & 2  | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3.5v   |  3.2v  | 7 & 8  | 1 & 2  | 1 & 2 | 1 & 2 | 1 & 2 |
          |---------+--------+--------+--------+-------+-------+-------|
          |  3.5v   |  3.3v  | 9 & 10 | 2 & 3  | 2 & 3 | 2 & 3 | 1 & 2 |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+