From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Slagter, EM" Subject: FYI ASUS reply clock frequency setting Date: Thu, 03 Aug 2006 16:02:51 +0200 Message-ID: <1154613771.14206.34.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: cpufreq-bounces@lists.linux.org.uk Errors-To: cpufreq-bounces+glkc-cpufreq=m.gmane.org+glkc-cpufreq=m.gmane.org@lists.linux.org.uk Content-Type: text/plain; charset="us-ascii" To: cpufreq@lists.linux.org.uk I sent this message to ASUS: > [...] > > Furthermore I noticed that slowing the processor down to 1.4 Ghz from > the BIOS settings gives an > additional power saving of 20-30 watts, which is very interesting to > me, especially if the motherboards' > CPU speed could be altered on the fly from within the operating > system. I am NOT talking of the > 2.8/2.4 CPU speed of the EIST s! ystem, I am talking of the cpu clock > supplied by the motherboard as set with the BIOS settings, 1.4 Ghz - > 4.0 Ghz using 0.1 Ghz increments. > > My questions: can this hardware clock setting be altered on the fly, > or can it be set during the boot > process only? > > If it can be changed on the fly, is there some smbios interface or > documentation available for this > feature? They replied: > The clock settings can only be set at bootup only, due to the clock > chips features, and bios settings. *BUMMER* :-( Well at least I tried.