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       # GIGA-BYTE TECHNOLOGY CO., LTD.
       
          GA-586ATV
       
          Processor        CX M1/AM K5/Pentium                           
          Processor Speed  75/90/100/120/125/133/150/166/180/200MHz      
          Chip Set         Unidentified                                  
          Video Chip Set   None                                          
          Maximum Onboard  128MB (EDO supported)                         
          Memory           
          Maximum Video    None                                          
          Memory           
          Cache            256/512KB                                     
          BIOS             Award                                         
          Dimensions       330mm x 218mm                                 
          I/O Options      32-bit PCI slots (2), floppy drive interface, 
                           green PC connector, IDE interfaces (2),       
                           parallel port, PS/2 mouse interface, serial   
                           ports (2), cache slot                         
          NPU Options      None                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Parallel port     |   CN1    | Speaker          |    J6    |
          |-------------------+----------+------------------+----------|
          | Serial port 1     |   CN2    | Power LED &      |    J7    |
          |                   |          | keylock          |          |
          |-------------------+----------+------------------+----------|
          | Serial port 2     |   CN3    | Green PC         |    J8    |
          |                   |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |   CN4    | Green PC LED     |    J9    |
          | interface         |          |                  |          |
          |-------------------+----------+------------------+----------|
          | IDE interface 1   |   CN6    | Reset switch     |   J10    |
          |-------------------+----------+------------------+----------|
          | IDE interface 2   |   CN7    | Turbo switch     |   J11    |
          |-------------------+----------+------------------+----------|
          | PS/2 mouse        |    J2    | Turbo LED        |   J12    |
          | interface         |          |                  |          |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    J4    | 32-bit PCI slots |  PC1 –   |
          |                   |          |                  |   PC4    |
          |-------------------+----------+------------------+----------|
          | Chassis fan power |    J5    | Cache slot       |   SL1    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM 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     |
          |------------------+--------------------+--------------------|
          |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
          |------------------------------------------------------------|
          | Note: Board accepts EDO memory.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |    Bank 0    |          SL1          |     TAG     |
          |-------+--------------+-----------------------+-------------|
          | 256KB | (2) 32K x 32 |     Not installed     | (1) 16K x 8 |
          |-------+--------------+-----------------------+-------------|
          | 512KB | (2) 64K x 32 |     Not installed     | (1) 16K x 8 |
          |-------+--------------+-----------------------+-------------|
          | 512KB | (2) 32K x 32 |     256KB module      |    None     |
          |       |              |       installed       |             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU SPEED SELECTION (CYRIX)                 |
          |------------------------------------------------------------|
          | CPU speed  |  Clock   | Multiplier |  JP8  |  JP9  | JP11  |
          |            |  speed   |            |       |       |       |
          |------------+----------+------------+-------+-------+-------|
          |   120MHz   |  50MHz   |     2x     | 1 & 2 | 1 & 2 | 1 & 2 |
          |------------+----------+------------+-------+-------+-------|
          |   133MHz   |  55MHz   |     2x     | 2 & 3 | 2 & 3 | Open  |
          |------------+----------+------------+-------+-------+-------|
          |   150MHz   |  60MHz   |     2x     | 1 & 2 | 2 & 3 | 1 & 2 |
          |------------+----------+------------+-------+-------+-------|
          |   166MHz   |  66MHz   |     2x     | 2 & 3 | 1 & 2 | 1 & 2 |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CPU SPEED SELECTION (AMD)                  |
          |------------------------------------------------------------|
          | CPU speed  |  Clock   | Multiplier |  JP8  |  JP9  | JP11  |
          |            |  speed   |            |       |       |       |
          |------------+----------+------------+-------+-------+-------|
          |   75MHz    |  50MHz   |    1.5x    | 1 & 2 | 1 & 2 | Open  |
          |------------+----------+------------+-------+-------+-------|
          |   90MHz    |  60MHz   |    1.5x    | 1 & 2 | 2 & 3 | Open  |
          |------------+----------+------------+-------+-------+-------|
          |   100MHz   |  66MHz   |    1.5x    | 2 & 3 | 1 & 2 | Open  |
          |------------+----------+------------+-------+-------+-------|
          |   120MHz   |  60MHz   |    1.5x    | 1 & 2 | 2 & 3 | Open  |
          |------------+----------+------------+-------+-------+-------|
          |   133MHz   |  66MHz   |    1.5x    | 2 & 3 | 1 & 2 | Open  |
          |------------+----------+------------+-------+-------+-------|
          |   150MHz   |  60MHz   |     2x     | 1 & 2 | 2 & 3 | 1 & 2 |
          |------------+----------+------------+-------+-------+-------|
          |   166MHz   |  66MHz   |     2x     | 2 & 3 | 1 & 2 | 1 & 2 |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU SPEED SELECTION (INTEL)                 |
          |------------------------------------------------------------|
          |   CPU    |  Clock  | Multiplier |  JP8  |  JP9  |   JP11   |
          |  speed   |  speed  |            |       |       |          |
          |----------+---------+------------+-------+-------+----------|
          |  75MHz   |  50MHz  |    1.5x    | 1 & 2 | 1 & 2 |   Open   |
          |----------+---------+------------+-------+-------+----------|
          |  90MHz   |  60MHz  |    1.5x    | 1 & 2 | 2 & 3 |   Open   |
          |----------+---------+------------+-------+-------+----------|
          |  100MHz  |  66MHz  |    1.5x    | 2 & 3 | 1 & 2 |   Open   |
          |----------+---------+------------+-------+-------+----------|
          |  120MHz  |  60MHz  |     2x     | 1 & 2 | 2 & 3 |  1 & 2   |
          |----------+---------+------------+-------+-------+----------|
          |  125MHz  |  50MHz  |    2.5x    | 1 & 2 | 1 & 2 | 1 & 2, 3 |
          |          |         |            |       |       |   & 4    |
          |----------+---------+------------+-------+-------+----------|
          |  133MHz  |  66MHz  |     2x     | 2 & 3 | 1 & 2 |  1 & 2   |
          |----------+---------+------------+-------+-------+----------|
          |  150MHz  |  60MHz  |    2.5x    | 1 & 2 | 2 & 3 | 1 & 2, 3 |
          |          |         |            |       |       |   & 4    |
          |----------+---------+------------+-------+-------+----------|
          |  166MHz  |  66MHz  |    2.5x    | 2 & 3 | 1 & 2 | 1 & 2, 3 |
          |          |         |            |       |       |   & 4    |
          |----------+---------+------------+-------+-------+----------|
          |  180MHz  |  60MHz  |     3x     | 1 & 2 | 2 & 3 |  3 & 4   |
          |----------+---------+------------+-------+-------+----------|
          |  200MHz  |  66MHz  |     3x     | 2 & 3 | 1 & 2 |  3 & 4   |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               CPU VOLTAGE SELECTION (SINGLE)               |
          |------------------------------------------------------------|
          |     Voltage      |        JP6         |        JP7         |
          |------------------+--------------------+--------------------|
          |       3.3v       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU VOLTAGE SELECTION (DUAL)                |
          |------------------------------------------------------------|
          | Voltage  | V core  |        JP6        |        JP7        |
          |----------+---------+-------------------+-------------------|
          |   3.3v   |  2.8v   | Pins 2 & 3 closed | Pins 2 & 3 closed |
          +------------------------------------------------------------+