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       # TEXAS MICRO, INC.
       
          P5000HX-M-WMB
       
          Device Type     Mainboard                                      
          Processor       Pentium MMX                                    
          Processor Speed 200/233MHz                                     
          Chip Set        Intel 430HX                                    
          Maximum Onboard 128MB (EDO supported)                          
          Memory          
          Cache           256/512KB                                      
          BIOS            Unidentified                                   
          Dimensions      330mm x 218mm                                  
          I/O Options     32-bit PCI slots (4), floppy drive interface,  
                          IDE interfaces (2), parallel port, PS/2 mouse  
                          port, serial ports (2), cache slot             
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Chassis fan power |    C1    | Floppy drive     |   CN4    |
          |                   |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    C2    | IDE interface 1  |   CN5    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    C3    | IDE interface 2  |   CN6    |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    C4    | PS/2 mouse port  |   CN7    |
          |-------------------+----------+------------------+----------|
          | Speaker           |    C5    | 3.3v power       |    P1    |
          |-------------------+----------+------------------+----------|
          | Serial port 1     |   CN1    | 5v power         |    P2    |
          |-------------------+----------+------------------+----------|
          | Serial port 2     |   CN2    | 32-bit PCI slots |  PC1 -   |
          |                   |          |                  |   PC4    |
          |-------------------+----------+------------------+----------|
          | Parallel port     |   CN3    | Cache slot       |   SL1    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          | » | Factory configured - do not     |  J1   | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Monitor type select color       | SW1/1 |      On      |
          |---+---------------------------------+-------+--------------|
          |   | Monitor type select monochrome  | SW1/1 |     Off      |
          |---+---------------------------------+-------+--------------|
          | » | Flash BIOS enabled; crisis      | SW1/2 |     Off      |
          |   | recovery mode disabled          |       |              |
          |---+---------------------------------+-------+--------------|
          |   | Flash BIOS disabled; crisis     | SW1/2 |      On      |
          |   | recovery mode enabled           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | CMOS memory normal operation    | SW1/3 |     Off      |
          |---+---------------------------------+-------+--------------|
          |   | CMOS memory clear               | SW1/3 |      On      |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     | SW1/4 | Unidentified |
          |   | alter                           |       |              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SIMM 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        |
          |------------------+--------------------+--------------------|
          |       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                     |
          |------------------------------------------------------------|
          |            Size            |              SL1              |
          |----------------------------+-------------------------------|
          |           256KB            |    256KB module installed     |
          |----------------------------+-------------------------------|
          |           512KB            |    512KB module installed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          | CPU speed | Clock speed | Multiplier |         JP1         |
          |-----------+-------------+------------+---------------------|
          |  200MHz   |    66MHz    |     3x     | Pins 1 & 3, 5 & 7,  |
          |           |             |            |    8 & 10 closed    |
          |-----------+-------------+------------+---------------------|
          |  233MHz   |    66MHz    |    3.5x    | Pins 1 & 3, 7 & 9,  |
          |           |             |            |    8 & 10 closed    |
          +------------------------------------------------------------+