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                                          

<gopher://bitreich.org/I/th99/m/S-T/35107-1.png>
   

   +------------------------------------------------------------+
   |                        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  |
   +------------------------------------------------------------+