TEXAS MICRO, INC.
=================

   P5000HX2-M SBC

   Device Type      Single board computer                         
   Processor        Pentium MMX                                   
   Processor Speed  166/200/233MHz                                
   Chip Set         Intel 430HX                                   
   Maximum Onboard  256MB (EDO supported)                         
   Memory           
   Cache            256/512KB                                     
   BIOS             Unidentified                                  
   Dimensions       338mm x 122mm                                 
   I/O Options      Floppy drive interface, IDE interface, SCSI   
                    interface, parallel port, PS/2 mouse          
                    interface, serial ports (2), cache slot, USB  
                    connectors (2)                                

<gopher://bitreich.org/I/th99/m/S-T/35897-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | IDE interface LED |    C1    | Floppy drive     |   CN3    |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | USB connector 1   |    C2    | Serial port 2    |   CN4    |
   |-------------------+----------+------------------+----------|
   | USB connector 2   |    C3    | Serial port 1    |   CN5    |
   |-------------------+----------+------------------+----------|
   | Chassis fan power |    C4    | Parallel port    |   CN6    |
   |-------------------+----------+------------------+----------|
   | Keyboard          |    C5    | PS/2 mouse       |   CN7    |
   | connector         |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | SCSI interface    |   CN1    | Cache slot       |   SL1    |
   |-------------------+----------+------------------+----------|
   | IDE interface     |   CN2    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | Watchdog timer disabled           |  JP4  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Watchdog timer enabled            |  JP4  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Next Step OS select normal        |  JP7  | Pins 2 & 3 |
   |   | operation                         |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Next Step OS select running Next  |  JP7  | Pins 1 & 2 |
   |   | Step & having PS/2 problems       |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Monitor type select color         | SW1/1 |     On     |
   |---+-----------------------------------+-------+------------|
   |   | Monitor type select monochrome    | SW1/1 |    Off     |
   |---+-----------------------------------+-------+------------|
   |>> | Flash BIOS enabled; auxiliary ROM | SW1/2 |    Off     |
   |   | disabled                          |       |            |
   |---+-----------------------------------+-------+------------|
   |   | Flash BIOS disabled; auxiliary    | SW1/2 |     On     |
   |   | ROM enabled                       |       |            |
   |---+-----------------------------------+-------+------------|
   |>> | CMOS memory normal operation      | SW1/3 |    Off     |
   |---+-----------------------------------+-------+------------|
   |   | CMOS memory clear                 | SW1/3 |     On     |
   |---+-----------------------------------+-------+------------|
   |>> | I/O port address select 270/271   | SW1/4 |    Off     |
   |---+-----------------------------------+-------+------------|
   |   | I/O port address select 370/371   | SW1/4 |     On     |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                 SIMM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       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    |
   |------------------------------------------------------------|
   | 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|  JP6  |  JP8  |JP9 | JP10 |
   |---------+-----------+----------+-------+-------+----+------|
   | 166MHz  |   66MHz   |   2.5x   |Closed |Closed |Open|Closed|
   |---------+-----------+----------+-------+-------+----+------|
   | 200MHz  |   66MHz   |    3x    |Closed | Open  |Open|Closed|
   |---------+-----------+----------+-------+-------+----+------|
   | 233MHz  |   66MHz   |   3.5x   | Open  | Open  |Open|Closed|
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  SERIAL PORT 2 SELECTION                   |
   |------------------------------------------------------------|
   |  Setting   |      JP2      |      JP3      |      JP5      |
   |------------+---------------+---------------+---------------|
   |>> | RS-232 |  Pins 2 & 3   |  Pins 2 & 3   |  Pins 2 & 3   |
   |   |        |    closed     |    closed     |    closed     |
   |---+--------+---------------+---------------+---------------|
   |   | RS-422 |  Pins 1 & 2   |  Pins 1 & 2   |  Pins 1 & 2   |
   |   |        |    closed     |    closed     |    closed     |
   +------------------------------------------------------------+