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

   L5000HX SBC

   Device Type      Single board computer                         
   Processor        Pentium                                       
   Processor Speed  100/133/166MHz                                
   Chip Set         Intel 430HX                                   
   Maximum Onboard  128MB (EDO supported)                         
   Memory           
   Cache            256/512KB                                     
   BIOS             Unidentified                                  
   Dimensions       338mm x 122mm                                 
   I/O Options      Floppy drive interface, IDE interfaces (2),   
                    parallel port, serial ports (2), cache slot   

<gopher://bitreich.org/I/th99/m/S-T/35909-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose              | Location | Purpose       | Location |
   |----------------------+----------+---------------+----------|
   | IDE interface LED    |    C1    | Serial port 1 |   CN4    |
   |----------------------+----------+---------------+----------|
   | Auxiliary keyboard   |    C2    | Serial port 2 |   CN5    |
   | connector            |          |               |          |
   |----------------------+----------+---------------+----------|
   | IDE interface 1      |   CN1    | Parallel port |   CN6    |
   |----------------------+----------+---------------+----------|
   | IDE interface 2      |   CN2    | Cache slot    |   SL1    |
   |----------------------+----------+---------------+----------|
   | Floppy drive         |   CN3    |               |          |
   | interface            |          |               |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  J1   | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  JP2  |  Pins 1 & 2  |
   |   | alter                           |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  JP6  |  Pins 1 & 2  |
   |   | alter                           |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | 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 |     Off      |
   |   | alter                           |       |              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |            Bank 2             |
   |----------------------------+-------------------------------|
   |            8MB             |          (2) 1M x 36          |
   |----------------------------+-------------------------------|
   |            16MB            |          (2) 2M x 36          |
   |----------------------------+-------------------------------|
   |            32MB            |          (2) 4M x 36          |
   |----------------------------+-------------------------------|
   |            64MB            |          (2) 8M x 36          |
   |----------------------------+-------------------------------|
   |           128MB            |         (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 |         JP8         |
   |-----------+-------------+------------+---------------------|
   |  100MHz   |    66MHz    |    1.5x    |  2 & 4, 7 & 9, 8 &  |
   |           |             |            |         10          |
   |-----------+-------------+------------+---------------------|
   |  133MHz   |    66MHz    |     2x     | 2 & 4, 6 & 8, 7 & 9 |
   |-----------+-------------+------------+---------------------|
   |  166MHz   |    66MHz    |    2.5x    | 2 & 4, 5 & 7, 6 & 8 |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  SERIAL PORT 2 SELECTION                   |
   |------------------------------------------------------------|
   |    Setting    |    JP1    |   JP3    |   JP4    |   JP5    |
   |---------------+-----------+----------+----------+----------|
   |>> |  RS-232   |   Open    |  Closed  |   Open   |   Open   |
   |---+-----------+-----------+----------+----------+----------|
   |   |  RS-422   |  Closed   |   Open   |  Closed  |  Closed  |
   +------------------------------------------------------------+