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       # BIOSTAR MICROTECH INTERNATIONAL CORPORATION
       
          MB-8600TTX-A (REV. 1.0)
       
          Processor       Pentium Pro                                    
          Processor Speed 133/150/166/180/200/233MHz                     
          Chip Set        Intel                                          
          Video Chip Set  None                                           
          Maximum Onboard 128MB (EDO supported)                          
          Memory          
          Maximum Video   None                                           
          Memory          
          Cache           256/512KB (located on Pentium Pro CPU)         
          BIOS            AMI                                            
          Dimensions      305mm x 243mm                                  
          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, USB connectors (2), ATX     
                          power connector, power on connector            
          NPU Options     None                                           
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose         | Location | Purpose          |  Location  |
          |-----------------+----------+------------------+------------|
          | ATX power       |   ATX    | Floppy drive     |    J13     |
          | connector       |          | interface        |            |
          |-----------------+----------+------------------+------------|
          | Serial port 1   |   CN1    | Speaker          | J16 pins 1 |
          |                 |          |                  |    - 4     |
          |-----------------+----------+------------------+------------|
          | Serial port 2   |   CN2    | Reset switch     | J16 pins 5 |
          |                 |          |                  |    & 6     |
          |-----------------+----------+------------------+------------|
          | Parallel port   |   CN3    | Power LED        | J16 pins 8 |
          |                 |          |                  |    - 10    |
          |-----------------+----------+------------------+------------|
          | PS/2 mouse port |   CN4    | IDE interface    |  J16 pins  |
          |                 |          | LED              |  12 - 15   |
          |-----------------+----------+------------------+------------|
          | USB connector   |   CN5    | IR connector     |  J16 pins  |
          |                 |          |                  |  17 - 21   |
          |-----------------+----------+------------------+------------|
          | USB connector   |   CN6    | Green PC         |  J16 pins  |
          |                 |          | connector        |  23 & 24   |
          |-----------------+----------+------------------+------------|
          | IDE interface 1 |    J8    | Power on         |  J16 pins  |
          |                 |          | connector        |  25 & 26   |
          |-----------------+----------+------------------+------------|
          | IDE interface 2 |    J9    | 32-bit PCI slots | PC1 - PC4  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |             Function              | Label |    Position    |
          |-----------------------------------+-------+----------------|
          | ยป | CMOS memory normal operation  |  JP1  |      Open      |
          |---+-------------------------------+-------+----------------|
          |   | CMOS memory clear             |  JP2  |     Closed     |
          |---+-------------------------------+-------+----------------|
          |   | Flash BIOS voltage select 12v |  JP2  |   Pins 2 & 3   |
          |   |                               |       |     closed     |
          |---+-------------------------------+-------+----------------|
          |   | Flash BIOS voltage select 5v  |  JP2  |   Pins 1 & 2   |
          |   |                               |       |     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     |
          |------------------------------------------------------------|
          | Note: Board accepts EDO memory.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          |    CPU speed     |                   J2                    |
          |------------------+-----------------------------------------|
          |      133MHz      | Pins 1 & 2, 5 & 6, 7 & 8, 9 & 10 closed |
          |------------------+-----------------------------------------|
          |      150MHz      |    Pins 3 & 4, 7 & 8, 9 & 10 closed     |
          |------------------+-----------------------------------------|
          |      166MHz      |    Pins 1 & 2, 7 & 8, 9 & 10 closed     |
          |------------------+-----------------------------------------|
          |      180MHz      |    Pins 3 & 4, 5 & 6, 9 & 10 closed     |
          |------------------+-----------------------------------------|
          |      200MHz      |    Pins 1 & 2, 5 & 6, 9 & 10 closed     |
          |------------------+-----------------------------------------|
          |      233MHz      |        Pins 1 & 2, 9 & 10 closed        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU VOLTAGE SELECTION                    |
          |------------------------------------------------------------|
          |            Voltage            |            JP1A            |
          |-------------------------------+----------------------------|
          |             2.9v              |            Open            |
          |-------------------------------+----------------------------|
          |             3.1v              |           Closed           |
          +------------------------------------------------------------+