linux-kernel - Re: AMD Quad Core clock problem?

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Message-ID: <4803851A.8090206@zytor.com>
Date:	Mon, 14 Apr 2008 09:23:54 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>
CC:	Marc Perkel <mperkel@...oo.com>, Chris Snook <csnook@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: AMD Quad Core clock problem?

Lennart Sorensen wrote:
> On Sun, Apr 13, 2008 at 12:35:38PM -0700, H. Peter Anvin wrote:
>> "Any machine with spread spectrum clocking" is a pretty outrageous 
>> claim, since that includes just about 100% of all machines built today 
>> -- it's virtually impossible getting RFI certification without it.
> 
> True, but usually they give you an option to turn it off in the BIOS to
> make the system actually work with things like NTP.
> 
> Maybe I should have said "Any system with spread spectrum enabled".
> 

That, too, is clearly unrealistic, or NTP would be useless except on 
dedicated systems.

	-hpa
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