This error means the serial port you’ve selected in TinyTERM isn’t usable on your PC. There are a few possible causes:

1. The serial port doesn’t exist. Older versions of TinyTERM offer ports COM1 through COM6, whether or not the ports are actually installed on the PC. Verify that the port number you’ve selected in TinyTERM has a matching physical port on the PC.
2. Another program is using the serial port you’ve chosen. This is common for software such as fax programs. The other program will monitor the COM port, even if it’s not currently in use. This prevents TinyTERM from connecting to it. Shut down or reconfigure any other software that uses serial ports to bypass this problem.
3. The serial port selected has a driver or hardware problem. Check with a trusted computer technician if this is the case.

This entry was posted on Wednesday, December 9th, 2009 at 10:59 am and is filed under Serial (RS232). You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.