From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kla-tencor.com (smtp.kla-tencor.com [192.146.1.134]) by ozlabs.org (Postfix) with ESMTP id 075352BE83 for ; Wed, 3 Nov 2004 05:29:07 +1100 (EST) Received: from [10.35.5.214] ([10.35.5.214]) by kla-tencor.com (8.11.6+Sun/KLAC-1.0i) with ESMTP id iA2ISuj03737 for ; Tue, 2 Nov 2004 10:28:56 -0800 (PST) Message-ID: <4187D1DE.90203@vision.caltech.edu> Date: Tue, 02 Nov 2004 10:28:46 -0800 From: Arrigo Benedetti MIME-Version: 1.0 To: linuxppc-dev Content-Type: text/plain; charset=ISO-8859-1; format=flowed Subject: G5 clock frequency scaling List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Does anyone know if the current IBM 970 chips in dual G5 Powermacs and Xserves is under any clock frequency scaling control? In other words, is the clock freuquency always guardanteed to be the nominal, or it may change based on temperature? If this is the case, does the linux kernel have any control on it? Thanks -Arrigo