From owner-freebsd-acpi@FreeBSD.ORG Thu Jul 12 21:10:00 2007 Return-Path: X-Original-To: acpi@freebsd.org Delivered-To: freebsd-acpi@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 2B01216A46B for ; Thu, 12 Jul 2007 21:10:00 +0000 (UTC) (envelope-from nate@root.org) Received: from root.org (root.org [67.118.192.226]) by mx1.freebsd.org (Postfix) with ESMTP id EDA1D13C44B for ; Thu, 12 Jul 2007 21:09:59 +0000 (UTC) (envelope-from nate@root.org) Received: (qmail 69447 invoked from network); 12 Jul 2007 21:10:00 -0000 Received: from ppp-71-139-42-13.dsl.snfc21.pacbell.net (HELO ?10.0.5.18?) (nate-mail@71.139.42.13) by root.org with ESMTPA; 12 Jul 2007 21:10:00 -0000 Message-ID: <4696989E.5080101@root.org> Date: Thu, 12 Jul 2007 14:09:50 -0700 From: Nate Lawson User-Agent: Thunderbird 2.0.0.4 (X11/20070617) MIME-Version: 1.0 To: Kevin Oberman References: <20070712201444.4A28E45042@ptavv.es.net> In-Reply-To: <20070712201444.4A28E45042@ptavv.es.net> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: acpi@freebsd.org Subject: Re: ACPI summary available X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Jul 2007 21:10:00 -0000 Kevin Oberman wrote: > Thanks to a note on /., I found what looks to be a very nice summary of > ACPI and its myriad of states (C, D, G, S, and P). While it does not go > into ASL, the ACPI tables, or things of that sort, it is probably a > good starting place for those interested in just what ACPI is all about. > It filled in some gaps (especially about D and lower C states) for me. > > One small request...I am far from an ACPI expert and there may be > serious flaws in the article that I am unaware of. If so, please let me > know so I don't recommend it more widely. IF it looks good, I plan to > post a message about it to mobile@. > > http://www.techarp.com/showarticle.aspx?artno=420 It's ok. It doesn't include much real knowledge such as the fact that S2 has seldom been observed on a real system. It includes very processor-rev specific stuff such as which P states are supported on which CPUs. The diagram leaves out the embedded controller completely. -Nate