From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rich Altmaier <richa@engr.sgi.com>
Date: Wed, 29 May 2002 17:18:43 +0000
Subject: Re: [Linux-ia64] NTP broken?
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To: linux-ia64@vger.kernel.org

David, FYI, I asked our hardware designers about current oscillator
accuracy and was a bit suprised to learn that one pays a
premium price today to get 300ppm.  600ppm can happen
in lower cost units.

FYI, Rich



David Mosberger wrote:
> 
> >>>>> On Tue, 28 May 2002 15:48:49 -0700, "Luck, Tony" <tony.luck@intel.com> said:
> 
>   Tony> I compared a HZ0 kernel with a HZ24 kernel on a BigSur
>   Tony> ... it made no obvious difference, both kernels lost time at
>   Tony> about 38.5 milliseconds/minute relative to a machine running
>   Tony> NTP.
> 
> Hmmh, interesting data.  So the rate is 633ppm.  Does anyone know what
> the crystals on the BigSurs are rated at?
> 
>         --david
> 
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