Adam wrote:
This is a tough one.
Try handle -a > allhand.txt Then open the allhand.txt with Notepad and look for interesting entries. ******* I tested right now, and first opened a session in HyperTerminal with one of my USB to serial adapters. The second serial adapter, is connect to a UPS, looking for a shutdown message. So the second entry should be present at all times. hypertrm.exe pid: 3452 ... 120: File (---) \Device\VCP1 ups.exe pid: 1568 NT AUTHORITY\SYSTEM ... 98: File (---) \Device\VCP0 I don't have any "serial" entries on this machine. But one of my other machines, has a real COM port on the SuperI/O chip, so the entries for that would involve the word "serial" in some way. The USB ones, at least the ones I've got, say VCP. Possibly because one of the driver files sets up virtual COM ports. There is a control panel for the driver, that maps a virtual COM port, to a COM port number, like COM3 and COM4 in this case. Paul -- http://mail.python.org/mailman/listinfo/python-list
