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       # ABIT COMPUTER CORPORATION
       
          SM5-A
       
          Processor       CX M1/AM K5/Pentium                            
          Processor Speed 75/90/100/120/133/150/166/180/200MHz           
          Chip Set        Intel                                          
          Video Chip Set  None                                           
          Maximum Onboard 128MB (EDO supported)                          
          Memory          
          Maximum Video   None                                           
          Memory          
          Cache           256/512KB                                      
          BIOS            Award                                          
          Dimensions      254mm x 218mm                                  
          I/O Options     32-bit PCI slots (3), floppy drive interface,  
                          green PC connector, IDE interfaces (2),        
                          parallel port, PS/2 mouse interface, serial    
                          ports (2), IR connector, USB connector         
          NPU Options     None                                           
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Serial port 1     |   CN1    | Speaker          | J5 pins  |
          |                   |          |                  | 11 - 14  |
          |-------------------+----------+------------------+----------|
          | Serial port 2     |   CN2    | Power LED &      | J5 pins  |
          |                   |          | keylock          | 16 - 20  |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |   CN3    | PS/2 mouse       |   JP3    |
          | interface         |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | Parallel port     |   CN4    | Chassis fan      |   JP9    |
          |                   |          | power            |          |
          |-------------------+----------+------------------+----------|
          | IDE interface 1   |   CN5    | IR connector     |   JP14   |
          |-------------------+----------+------------------+----------|
          | IDE interface 2   |   CN6    | Green PC         |  JP100   |
          |                   |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    J4    | Power control    |  JP102   |
          |                   |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | Reset switch      | J5 pins  | 32-bit PCI slots |  PC1 –   |
          |                   |  1 & 2   |                  |   PC3    |
          |-------------------+----------+------------------+----------|
          | Green PC          | J5 pins  | USB connector    |   USB    |
          | connector         |  6 & 7   |                  |          |
          |-------------------+----------+------------------+----------|
          | Turbo LED         | J5 pins  |                  |          |
          |                   |  8 & 9   |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |             Function             | Label |    Position     |
          |----------------------------------+-------+-----------------|
          | » | CMOS memory normal operation |  JP1  |   Pins 1 & 2    |
          |   |                              |       |     closed      |
          |---+------------------------------+-------+-----------------|
          |   | CMOS memory clear            |  JP1  |   Pins 2 & 3    |
          |   |                              |       |     closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       8MB        |    (2) 1M x 32     |        None        |
          |------------------+--------------------+--------------------|
          |       16MB       |    (2) 2M x 32     |        None        |
          |------------------+--------------------+--------------------|
          |       16MB       |    (2) 1M x 32     |    (2) 1M x 32     |
          |------------------+--------------------+--------------------|
          |       24MB       |    (2) 2M x 32     |    (2) 1M x 32     |
          |------------------+--------------------+--------------------|
          |       32MB       |    (2) 4M x 32     |        None        |
          |------------------+--------------------+--------------------|
          |       32MB       |    (2) 2M x 32     |    (2) 2M x 32     |
          |------------------+--------------------+--------------------|
          |       40MB       |    (2) 4M x 32     |    (2) 1M x 32     |
          |------------------+--------------------+--------------------|
          |       48MB       |    (2) 4M x 32     |    (2) 2M x 32     |
          |------------------+--------------------+--------------------|
          |       64MB       |    (2) 8M x 32     |        None        |
          |------------------+--------------------+--------------------|
          |       64MB       |    (2) 4M x 32     |    (2) 4M x 32     |
          |------------------+--------------------+--------------------|
          |       72MB       |    (2) 8M x 32     |    (2) 1M x 32     |
          |------------------+--------------------+--------------------|
          |       80MB       |    (2) 8M x 32     |    (2) 2M x 32     |
          |------------------+--------------------+--------------------|
          |       96MB       |    (2) 8M x 32     |    (2) 4M x 32     |
          |------------------+--------------------+--------------------|
          |      128MB       |    (2) 8M x 32     |    (2) 8M x 32     |
          |------------------------------------------------------------|
          | Note: Board accepts EDO memory.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |           256KB            |         (2) 32K x 32          |
          |----------------------------+-------------------------------|
          |           512KB            |         (2) 64K x 32          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       CPU SELECTION                        |
          |------------------------------------------------------------|
          | Note: CPU speed and voltage are set through CPU Soft menu. |
          | The menu is accessed through the BIOS.                     |
          +------------------------------------------------------------+