From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dominik Brodowski Subject: Re: static freq table support for Pentium M Dothan Date: Thu, 9 Sep 2004 17:33:16 +0200 Sender: cpufreq-bounces@www.linux.org.uk Message-ID: <20040909153316.GA4574@dominikbrodowski.de> References: <20040908213140.GA7842@dominikbrodowski.de> <20040908220139.GA8116@dominikbrodowski.de> <20040909085802.GF16132@poupinou.org> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <20040909085802.GF16132@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" Content-Transfer-Encoding: 7bit To: Bruno Ducrot Cc: cpufreq@www.linux.org.uk, Stefan Tomanek On Thu, Sep 09, 2004 at 10:58:02AM +0200, Bruno Ducrot wrote: > > acpi_pdump: P0: 1500 MHz, 0 mW, 100 uS s:0x0 c:0x83 > > acpi_pdump: P1: 600 MHz, 0 mW, 100 uS s:0x1 c:0x183 > > control_register: > > 130 12 1 16 0 0 178 > > status_register: > > 130 12 1 8 0 0 179 > > It's indeed the SMM interface, not direct hardware access, with also a > broken mask (out of spec indeed) Why is it out of spec? > I guess 'the other OS' may actually use somehow the full eax before doing > the outb and then allowing somehow ancient version of speedstep to > work... Possibly. But fortunately we don't need to :) Dominik