[ntp:questions] help with setting up NTP on windows with a USB GPS
j.jack.wang at gmail.com
Mon Nov 30 15:51:29 UTC 2009
NTP wouldn't start automatically. The system event log shows that NTP
service was started repeatedly (I configured it so it restarts after
initial failure) but it shuts down itself (message: NTP service is
stopping with no message wrt why). It would stop if I start it
manually. However, it will run if I open the serial port with
Hyperterminal and the close it without doing anything else). I am
On Nov 30, 10:25 am, jack <j.jack.w... at gmail.com> wrote:
> I tried the serial port on my B&B serial board and the 1PPS signal is
> not detected. I don't how how serialpps.sys sees the signal and am
> thinking the DCD signal is not sent over the PCI bus.
> On Nov 30, 9:56 am, jack <j.jack.w... at gmail.com> wrote:
> > On Nov 28, 1:51 am, "David J Taylor" <david-tay... at blueyonder.not-this-
> > bit.nor-this-part.co.uk.invalid> wrote:
> > > "jack" <> wrote in message
> > >news:484bcf3e-dde5-4978-966d-5637918c913f at l35g2000vba.googlegroups.com...
> > > > David,
> > > > Would you mind looking up the model number of the Sitecom serial to
> > > > USB converter that has the DCD line? I am very interested in a
> > > > solution like that.
> > > > Jack
> > > Jack, the convertor I had was Sitecom DK01 USB dock from 2002. It's no
> > > longer available new.
> > > Cheers,
> > > David
> > Thank you, David. You're very helpful!
> > I ran both my setups over the weekend. The GPS with 1PPS has the worst
> > offset of 200us and the GPS without jumped up to 80ms, clearly due to
> > loss of satellite signals. I am happy with the performance of the GPS
> > with 1PPS out.
> > RGB: I have a similar PCI-serial card in my computer. I will try my
> > GPS with this board and let you know the results.
> > Jack
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