If there's any doubt which COM port is used by the KUSB, you can use the Device Manager -> Ports to list all the COM ports. The one with Prolific shown is your KUSB.
Sometimes in enumeration, USB-Serial adapters will change COM port ID from boot to boot. 73 matt W6NIA On Thu, 07 Jan 2010 17:03:49 -0500, you wrote: >Roger, > >I think you may be experiencing the problem I had which I asked about >yesterday >subject: Re: [Elecraft] K3 Firmware update question - k3fw3r68 > >Check your ports with the elecraft utility, I had the same kind of >issue and I needed to find an open port that gave me 4800 bps. > >I never had the problem before after an update to a new version. >Perhaps you've just updated? Or perhaps your port is active to a >different application using the port you had assigned in the utility >at a prior time? > >Gary >KA1J > >> Hi all, >> >> I can't work out why my K3 has stopped communicating with my PC. Besides >> the K3 utility I'm using HRD. Up to now I've used the KUSB which has >> worked fine, it was bought with K3 #191 at the same time. I reinstalled >> the drivers checked Baud rate (38400), swapped ports etc but still no go. >> >> I then tried a standard RS232 instead, but still it does not work. >> >> What am I missing here? Any help would be appreciated (my email is set >> to digest mode). >> >> 73 >> Roger MW0IDX >> >> K3 #191 >> K2 #2724 >> KX1 #416 >> >> >> >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> > > >______________________________________________________________ >Elecraft mailing list >Home: http://mailman.qth.net/mailman/listinfo/elecraft >Help: http://mailman.qth.net/mmfaq.htm >Post: mailto:Elecraft@mailman.qth.net > >This list hosted by: http://www.qsl.net >Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html