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From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] NTP broken?
Date: Thu, 30 May 2002 03:55:49 +0000	[thread overview]
Message-ID: <marc-linux-ia64-105590701905616@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590701905591@msgid-missing>

>>>>> On Wed, 29 May 2002 10:18:43 -0700, Rich Altmaier <richa@engr.sgi.com> said:

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

Thanks for sharing that.  I just tried the obvious google search for
"crystal ppm" and most of the hits where for crystals on the order of
30-50ppm, with the occasional 100ppm.  Precision crystals seem to be
rated at <1ppm.  So, 600ppm seems a bit on the high side, but I guess
it's not totally unreasonable either.  I guess NTP is our
friend... ;-)

	--david


      parent reply	other threads:[~2002-05-30  3:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-05-22  3:08 [Linux-ia64] NTP broken? Peter Chubb
2002-05-22  8:09 ` Andreas Schwab
2002-05-25  2:33 ` David Mosberger
2002-05-28 22:48 ` Luck, Tony
2002-05-28 23:05 ` David Mosberger
2002-05-29  5:04 ` Peter Chubb
2002-05-29  5:13 ` Peter Chubb
2002-05-29 15:01 ` David Mosberger
2002-05-29 17:18 ` Rich Altmaier
2002-05-30  3:55 ` David Mosberger [this message]

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