B.U.D.S. > Troubleshooting
Description
B.U.D.S. could not open any of your computer's serial port for communicating with the MPI®.
Possible causes
| 1. | Your computer serial ports are all used by other applications. |
| 2. | Your type of computer serial ports are not supported by B.U.D.S.. |
| 3. | Your computer serial ports are defective. |
Suggested actions
| 1. | Connect the MPI to another serial port. |
| 2. | Close all applications that may use the serial ports. |
| 3. | Restart your computer in order to reinitialize the serial ports. |
| 4. | Make sure that your computer serial ports are based on one the following UART: |
 | 8250 / 16450 / 16550 / 16650 / 16750 or 16850. |
