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       # ABIT COMPUTER CORPORATION
       
          PP6 (REV. 0.2)
       
          Processor        Pentium Pro                                   
          Processor Speed  150/166/180/200MHz                            
          Chip Set         Intel                                         
          Video Chip Set   None                                          
          Maximum Onboard  512MB                                         
          Memory           
          Maximum Video    None                                          
          Memory           
          Cache            256/512KB (located on Pentium Pro CPU)        
          BIOS             Award                                         
          Dimensions       330mm x 218mm                                 
          I/O Options      32-bit PCI slots (4), floppy drive interface, 
                           green PC connector, IDE interfaces (2),       
                           parallel port, PS/2 mouse port, serial ports  
                           (2), IR connector, VRM connector, USB         
                           connector                                     
          NPU Options      None                                          
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose          | Location  |
          |------------------+----------+------------------+-----------|
          | Serial port 1    |   CN1    | Reset switch     | J9 pins 1 |
          |                  |          |                  |    & 2    |
          |------------------+----------+------------------+-----------|
          | Serial port 2    |   CN2    | Green PC         | J9 pins 7 |
          |                  |          | connector        |    & 8    |
          |------------------+----------+------------------+-----------|
          | Parallel port    |   CN3    | IDE interface    | J9 pins 9 |
          |                  |          | LED              |   & 10    |
          |------------------+----------+------------------+-----------|
          | IDE interface 1  |   CN4    | Speaker          |  J9 pins  |
          |                  |          |                  |  11 - 14  |
          |------------------+----------+------------------+-----------|
          | IDE interface 2  |   CN5    | Power LED &      |  J9 pins  |
          |                  |          | keylock          |  16 - 20  |
          |------------------+----------+------------------+-----------|
          | Floppy drive     |   CN6    | PS/2 mouse port  |    MS1    |
          | interface        |          |                  |           |
          |------------------+----------+------------------+-----------|
          | Chassis fan      |   FAN1   | 32-bit PCI slots | PC1 – PC4 |
          | power            |          |                  |           |
          |------------------+----------+------------------+-----------|
          | Chassis fan      |   FAN2   | USB connector    |    USB    |
          | power            |          |                  |           |
          |------------------+----------+------------------+-----------|
          | IR connector     |   IR1    | VRM connector    |    VRM    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JP5  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | CMOS memory normal operation    | JP11  |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | CMOS memory clear               | JP11  |    Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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     |
          |----------------+---------------------+---------------------|
          |     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     |
          |----------------+---------------------+---------------------|
          |     256MB      |    (2) 32M x 36     |        None         |
          |----------------+---------------------+---------------------|
          |     512MB      |    (2) 32M x 36     |    (2) 32M x 36     |
          |------------------------------------------------------------|
          | Note: Board accepts EDO memory. Board also accepts x 32    |
          | SIMMs                                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          |CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
          |---------+-----------+----------+------+------+------+------|
          | 150MHz  |   60MHz   |   2.5x   | Off  |  On  |  On  |  On  |
          |---------+-----------+----------+------+------+------+------|
          | 166MHz  |   66MHz   |   2.5x   | Off  |  On  |  On  |  On  |
          |---------+-----------+----------+------+------+------+------|
          | 180MHz  |   60MHz   |    3x    |  On  | Off  |  On  |  On  |
          |---------+-----------+----------+------+------+------+------|
          | 200MHz  |   66MHz   |    3x    |  On  | Off  |  On  |  On  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU SPEED SELECTION (CON’T)                 |
          |------------------------------------------------------------|
          |CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
          |---------+-----------+----------+------+------+------+------|
          | 150MHz  |   60MHz   |   2.5x   |  On  | Off  | Off  |  On  |
          |---------+-----------+----------+------+------+------+------|
          | 166MHz  |   66MHz   |   2.5x   | Off  |  On  |  On  | Off  |
          |---------+-----------+----------+------+------+------+------|
          | 180MHz  |   60MHz   |    3x    |  On  | Off  | Off  |  On  |
          |---------+-----------+----------+------+------+------+------|
          | 200MHz  |   66MHz   |    3x    | Off  |  On  |  On  | Off  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU VOLTAGE SELECTION                    |
          |------------------------------------------------------------|
          | Voltage  | JP6/pins 1 & | JP6/pins 3 | JP6/pins | JP6/pins |
          |          |      2       |    & 4     |  5 & 6   |  7 & 8   |
          |----------+--------------+------------+----------+----------|
          | » | 2.0v |     Open     |    Open    |   Open   |   Open   |
          |---+------+--------------+------------+----------+----------|
          |   | 2.1v |    Closed    |    Open    |   Open   |   Open   |
          |---+------+--------------+------------+----------+----------|
          |   | 2.2v |     Open     |   Closed   |   Open   |   Open   |
          |---+------+--------------+------------+----------+----------|
          |   | 2.3v |    Closed    |   Closed   |   Open   |   Open   |
          |---+------+--------------+------------+----------+----------|
          |   | 2.4v |     Open     |    Open    |  Closed  |   Open   |
          |---+------+--------------+------------+----------+----------|
          |   | 2.5v |    Closed    |    Open    |  Closed  |   Open   |
          |---+------+--------------+------------+----------+----------|
          |   | 2.6v |     Open     |   Closed   |  Closed  |   Open   |
          |---+------+--------------+------------+----------+----------|
          |   | 2.7v |    Closed    |   Closed   |  Closed  |   Open   |
          |---+------+--------------+------------+----------+----------|
          |   | 2.8v |     Open     |    Open    |   Open   |  Closed  |
          |---+------+--------------+------------+----------+----------|
          |   | 2.9v |    Closed    |    Open    |   Open   |  Closed  |
          |---+------+--------------+------------+----------+----------|
          |   | 3.0v |     Open     |   Closed   |   Open   |  Closed  |
          |---+------+--------------+------------+----------+----------|
          |   | 3.1v |    Closed    |   Closed   |   Open   |  Closed  |
          |---+------+--------------+------------+----------+----------|
          |   | 3.2v |     Open     |    Open    |  Closed  |  Closed  |
          |---+------+--------------+------------+----------+----------|
          |   | 3.3v |    Closed    |    Open    |  Closed  |  Closed  |
          |---+------+--------------+------------+----------+----------|
          |   | 3.4v |     Open     |   Closed   |  Closed  |  Closed  |
          |---+------+--------------+------------+----------+----------|
          |   | 3.5v |    Closed    |   Closed   |  Closed  |  Closed  |
          +------------------------------------------------------------+