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       # UNIVERSAL SCIENTIFIC INDUSTRIES CO., LTD.
       
          PRO-273
       
          Processor        Pentium II                                    
          Processor Speed  Unidentified                                  
          Chip Set         Intel                                         
          Video Chip Set   None                                          
          Maximum Onboard  384MB (EDO supported)                         
          Memory           
          Maximum Video    None                                          
          Memory           
          Cache            256/512KB (located on Pentium II CPU)         
          BIOS             Award                                         
          Dimensions       305mm x 244mm                                 
          I/O Options      32-bit PCI slots (4), floppy drive interface, 
                           IDE interfaces (2), parallel port, PS/2 mouse 
                           port, serial port, IR connector, USB          
                           connectors (2), ATX power connector           
          NPU Options      None                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | AGP slot          |   AGP    | IR connector     |   J17    |
          |-------------------+----------+------------------+----------|
          | ATX power         |   ATX    | Power LED &      |   J18    |
          | connector         |          | keylock          |          |
          |-------------------+----------+------------------+----------|
          | CPU fan power     |    J2    | Reset switch     |   JP6    |
          |-------------------+----------+------------------+----------|
          | IDE interface 1   |    J6    | USB connector    |    P1    |
          |-------------------+----------+------------------+----------|
          | IDE interface 2   |    J7    | USB connector    |   P1A    |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    J8    | Serial port 1    |    P2    |
          |-------------------+----------+------------------+----------|
          | Power LED         |    J9    | Parallel port    |    P3    |
          |-------------------+----------+------------------+----------|
          | Speaker           |   J10    | PS/2 mouse port  |    P4    |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |   J16    | 32-bit PCI slots |  PC1 –   |
          | interface         |          |                  |   PC4    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |             Function             | Label |    Position     |
          |----------------------------------+-------+-----------------|
          | » | CMOS memory normal operation |  JP4  |   Pins 1 & 2    |
          |   |                              |       |     closed      |
          |---+------------------------------+-------+-----------------|
          |   | CMOS memory clear            |  JP4  |   Pins 2 & 3    |
          |   |                              |       |     closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIMM CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
          |------------+---------------+---------------+---------------|
          |    8MB     |  (2) 1M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    16MB    |  (2) 1M x 36  |  (2) 1M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |    16MB    |  (2) 2M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    24MB    |  (2) 1M x 36  |  (2) 1M x 36  |  (2) 1M x 36  |
          |------------+---------------+---------------+---------------|
          |    32MB    |  (2) 2M x 36  |  (2) 2M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |    32MB    |  (2) 4M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    48MB    |  (2) 2M x 36  |  (2) 2M x 36  |  (2) 2M x 36  |
          |------------+---------------+---------------+---------------|
          |    64MB    |  (2) 4M x 36  |  (2) 4M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |    64MB    |  (2) 8M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    96MB    |  (2) 4M x 36  |  (2) 4M x 36  |  (2) 4M x 36  |
          |------------+---------------+---------------+---------------|
          |   128MB    |  (2) 8M x 36  |  (2) 8M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |   128MB    | (2) 16M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |   192MB    |  (2) 8M x 36  |  (2) 8M x 36  |  (2) 8M x 36  |
          |------------+---------------+---------------+---------------|
          |   256MB    | (2) 16M x 36  | (2) 16M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |   256MB    | (2) 32M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |   384MB    | (2) 16M x 36  | (2) 16M x 36  | (2) 16M x 36  |
          |------------------------------------------------------------|
          |      Note: Board accepts EDO memory.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: 256KB/512KB cache is located on the Pentium II CPU.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU MULTIPLIER SELECTION                  |
          |------------------------------------------------------------|
          |         Multiplier         |              JP1              |
          |----------------------------+-------------------------------|
          |            2.5x            |   Pins 1 & 2, 3 & 4 closed    |
          |----------------------------+-------------------------------|
          |             3x             |   Pins 1 & 2, 5 & 6 closed    |
          |----------------------------+-------------------------------|
          |            3.5x            |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |             4x             |   Pins 3 & 4, 5 & 6 closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               CPU CLOCK SPEEDSPEED SELECTION               |
          |------------------------------------------------------------|
          |         CPU speed          |              JP7              |
          |----------------------------+-------------------------------|
          |           66MHz            |             Open              |
          |----------------------------+-------------------------------|
          |          68.5MHz           |       Pins 5 & 6 closed       |
          |----------------------------+-------------------------------|
          |           75MHz            |       Pins 3 & 4 closed       |
          |----------------------------+-------------------------------|
          |           83MHz            |   Pins 1 & 2, 5 & 6 closed    |
          +------------------------------------------------------------+