Sorry, but I've been using N1MM on Windows for several years now and have never seen this problem!
Randy, KS4L WILLIS COOKE wrote: > This is a very well known problem. It has been documented by N1MM and many > contest publications. It is not a problem with N1MM, it is a problem with > WINDOWS. If you change to another version of N1MM or a different logging > program, you will have the same trouble. The usual solution is to purchase > and use a WinKeyer. Virtually all CW contesters > have done this. The other alternative is to revert to DOS and an old > unsupported DOS logger. I am not sure if buying a MAC will help. > > The problem is the way that WINDOWS handles interrupts. It does not give a > high enough priority to the serial bus to allow proper keying at anything but > very slow speeds. > > Willis 'Cookie' Cooke > K5EWJ > > > --- On Wed, 2/18/09, Bill Feidt <[email protected]> wrote: > > >> From: Bill Feidt <[email protected]> >> Subject: Re: [Elecraft] K3: Configuring N1MM to send CW >> To: [email protected] >> Date: Wednesday, February 18, 2009, 5:45 AM >> Barry Pfeil wrote: >> >> >>> VE3KI's explanation is absolutely correct, but I >>> >> would add a >> >>> CAUTION that once you have this arrangement set up, be >>> >> careful to boot >> >>> your computer and N1MM BEFORE turning on your K3 or at >>> >> least before >> >>> enabling transmit. This is because some of the >>> >> start-up "processes" >> >>> seem to key the radio when you wouldn't want it to >>> >> be keyed. I'm using >> >>> a USB-to-Serial converter and that may makes things >>> >> worse (or better?). >> >> Thanks to all who responded to my question. The good news >> is that with VE3KI's >> assistance I was able to get N1MM CW working using the >> Elecraft USB to Serial >> cable as the only connection between my computer and the >> rig. The quality of >> the generated CW was fine; no stuttering or halts. The bad >> news is that, for me >> at least, N1MM is very unstable when CW keying is activated >> in the software. >> Periodically, and under circumstances I don't >> understand, the "CW IF" >> application starts consuming more and more CPU cycles until >> it hogs almost 100% >> of available cycles and the computer hangs. And sometimes >> when I click one of >> the N1MM "send CW" buttons, nothing happens. >> This is always a harbinger of a >> near-future computer crash. >> >> Also, I have to activate N1MM before turning on the K3. If >> I do the opposite, >> the K3 momentarily sends a CW signal and N1MM crashes. >> >> Rich (VE3KI) suggested that I might try reverting to >> version 8.12.7 of N1MM. >> I'll do this and, if the results are favorable, >> I'll report back. >> >> Following suggestions made here, I've also subscribed >> to the N1MM reflector and >> will report the current problem over there (where it >> probably belongs). >> >> Again, thanks for everyone's input. >> >> 73, >> >> Bill/NG3K >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> 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:[email protected] > > 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:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

