Win7 has a higher requirement for system resources than XP. This is not generally a bad thing as it is doing a lot more but still...
How much RAM do you have installed. Open your Task Manager/Performance and see what your load is. Also, the PlanePlotter website says that it runs on XP -- are you running something else that could load the system to the point where Win7 stutters? http://www.coaa.co.uk/planeplotter.htm Dave > -----Original Message----- > From: time-nuts-boun...@febo.com > [mailto:time-nuts-boun...@febo.com] On Behalf Of John Nelson > Sent: Thursday, March 27, 2014 07:00 > To: time-nuts@febo.com > Subject: [time-nuts] NTP and Windows 7 > > Greetings from Wales. I'm not sure whether this august forum is the > appropriate place to ask a question about PC timekeeping, but > in the hope > that someone can point me in the right direction I'll ask anyway ;-) > > I have just replaced Windows XP with Windows 7. The PC > involved (a fairly > elderly 2.4GHz Core2 machine) runs an application called > 'PlanePlotter' > which requires accurate timekeeping and mandates Meinberg's > NTP software. > Using the UK pool.ntp.org servers as a reference source this > has worked very > well under XP for several years and the clock was seldom more > than a few > milliseconds out. Under Windows 7, however, the clock can be > anything up to > 0.2s awry and the offset is very erratic. The daily loopstats > graph looks > like a section through a mountain range. > > I have carefully checked all settings and combed the internet for > suggestions but can see no reason for the sharply degraded > performance. Is > there something about Windows 7 that degrades the performance > of NTP? Or is > there anything subtle I can check? > > Many thanks in advance. > > John > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.