From mboxrd@z Thu Jan 1 00:00:00 1970 From: Drew Varner Subject: Re: Desktop with DVS Date: Tue, 06 Apr 2004 19:42:14 -0400 Sender: cpufreq-bounces@www.linux.org.uk Message-ID: <1081294933.1912.15.camel@localhost.localdomain> References: <8825450.1079962608@d-128-74-92.bootp.Virginia.EDU> <20040322201733.GA9780@dominikbrodowski.de> <20040329135054.GJ19001@poupinou.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20040329135054.GJ19001@poupinou.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: cpufreq-bounces+glkc-cpufreq=gmane.org@www.linux.org.uk Content-Type: text/plain; charset="us-ascii" To: Bruno Ducrot Cc: cpufreq@www.linux.org.uk Can someone point me to a specific AMD64 desktop that they've gotten to work with cpufreq (i.e. one with a suitable northbridge)? I'd like to purchase a cpufreq-savvy desktop. - Drew On Mon, 2004-03-29 at 08:50, Bruno Ducrot wrote: > On Mon, Mar 22, 2004 at 09:17:33PM +0100, Dominik Brodowski wrote: > > On Mon, Mar 22, 2004 at 01:36:48PM -0500, Zhijian Lu wrote: > > > Hello, > > > > > > This may be off the loop. But does anyone know if there are > > > any desktop computers with dynamic voltage scaling capacity? > > > > For x86{,_64}: AFAIK there are several choices: > > - some x86_64 AMD [server] processors and mainboards support > > voltage scaling, > > That is not reserved to server. Most modern UP desktops shipped with AMD64 > do have what is called now 'cool'n quiet' technology, and should be supported > by the powernow-k8 driver (you have to be sure that itt's enabled, though. > Some northbridges do not allow this unfortunatelly, even though the processor > is capable of that). > > > - there are some special mainboards which support Intel Pentium M processors > > - the transmeta efficeon CPU supports dynamic voltage scaling without > > any operating system interaction > > - maybe some others (VIA) which I've missed.