(TXT) View Source
       
       # GIGA-BYTE TECHNOLOGY CO., LTD.
       
          GA-686EX2 (REV. 1.0)
       
          Device Type      Mainboard                                     
          Processor        Pentium II                                    
          Processor Speed  200/233/266/300/333/366MHz                    
          Chip Set         Intel 440EX                                   
          Video Chip Set   None                                          
          Maximum Onboard  256MB (EDO & SDRAM supported)                 
          Memory           
          Maximum Video    None                                          
          Memory           
          Cache            256/512KB (located on Pentium II CPU)         
          BIOS             Award                                         
          Dimensions       243mm x 190mm                                 
          I/O Options      32-bit PCI slots (2), floppy drive interface, 
                           IDE interfaces (2), parallel port, PS/2 mouse 
                           port, serial ports (2), USB connectors (2),   
                           ATX power connector, AGP slot                 
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | AGP slot          |   AGP    | Serial port 1    |   CN2    |
          |-------------------+----------+------------------+----------|
          | ATX power         |   ATX    | Serial port 2    |   CN3    |
          | connector         |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    C1    | USB connector 1  |   CN4    |
          |-------------------+----------+------------------+----------|
          | Speaker           |    C2    | USB connector 2  |   CN5    |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    C3    | Floppy drive     |   CN6    |
          |                   |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | Soft off power    |    C4    | IDE interface 2  |   CN7    |
          | supply            |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Power LED         |    C5    | IDE interface 1  |   CN8    |
          |-------------------+----------+------------------+----------|
          | CPU fan power     |    C6    | PS/2 mouse port  |    J2    |
          |-------------------+----------+------------------+----------|
          | Parallel port     |   CN1    | 32-bit PCI slots |  PC1 –   |
          |                   |          |                  |   PC2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          |   | ATX power control select soft off |  J7   |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | ATX power control select soft     |  J7   |   Closed   |
          |   | off/full on                       |       |            |
          |---+-----------------------------------+-------+------------|
          |   | Keyboard power on enabled         |  JP1  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Keyboard power on disabled        |  JP1  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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) 16M x 64    |        None        |
          |------------------+--------------------+--------------------|
          |      128MB       |    (1) 8M x 64     |    (1) 8M x 64     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DIMM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |      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 EDO & SDRAM memory.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: 256KB/512KB cache is located on the Pentium II CPU.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          | CPU speed  |  Clock   | Multiplier |  JP2  |  JP3  |  JP4  |
          |            |  speed   |            |       |       |       |
          |------------+----------+------------+-------+-------+-------|
          |   200MHz   |  66MHz   |     3x     | 1 & 2 | 1 & 2 | 1 & 2 |
          |------------+----------+------------+-------+-------+-------|
          |   233MHz   |  66MHz   |    3.5x    | 1 & 2 | 1 & 2 | 1 & 2 |
          |------------+----------+------------+-------+-------+-------|
          |   266MHz   |  66MHz   |     4x     | 1 & 2 | 1 & 2 | 1 & 2 |
          |------------+----------+------------+-------+-------+-------|
          |   300MHz   |  66MHz   |    4.5x    | 1 & 2 | 1 & 2 | 1 & 2 |
          |------------+----------+------------+-------+-------+-------|
          |   333MHz   |  66MHz   |     5x     | 1 & 2 | 1 & 2 | 1 & 2 |
          |------------+----------+------------+-------+-------+-------|
          |   366MHz   |  66MHz   |    5.5x    | 1 & 2 | 1 & 2 | 1 & 2 |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU SPEED SELECTION (CON’T)                 |
          |------------------------------------------------------------|
          |CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
          |---------+-----------+----------+------+------+------+------|
          | 200MHz  |   66MHz   |    3x    |  On  | Off  |  On  |  On  |
          |---------+-----------+----------+------+------+------+------|
          | 233MHz  |   66MHz   |   3.5x   | Off  | Off  |  On  |  On  |
          |---------+-----------+----------+------+------+------+------|
          | 266MHz  |   66MHz   |    4x    |  On  |  On  | Off  |  On  |
          |---------+-----------+----------+------+------+------+------|
          | 300MHz  |   66MHz   |   4.5x   | Off  |  On  | Off  |  On  |
          |---------+-----------+----------+------+------+------+------|
          | 333MHz  |   66MHz   |    5x    |  On  | Off  | Off  |  On  |
          |---------+-----------+----------+------+------+------+------|
          | 366MHz  |   66MHz   |   5.5x   | Off  | Off  | Off  |  On  |
          +------------------------------------------------------------+