Re: [avrdude-dev] [bug #22234] WINDOWS version: HOWTO: Specify Serial Ports Larger than COM9

[Wouter van Gulik]

Bob Paddock schreef:
> Usually COM ports above nine have happened because of plugging
> in multiple USB Virtual Serial Port Devices; I'm
> at COM33 on this machine right now :-( .  To Windows
> each unique USB serial number looks like a new device,
> so you get a new COM port number, even if it is the
> same device/different unit.  Anyone know how to stop that??

Well, you can clean up by removing them from the Device Manager. Use 
this: http://support.microsoft.com/kb/315539 to view all hardware (even 
not connected ones), and remove them.

HTH

Wouter