From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Hermanowski Subject: Re: Centrino question Date: Fri, 21 May 2004 20:48:30 +0200 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20040521184830.GG31690@mh57.de> References: <3ACA40606221794F80A5670F0AF15F8404622C57@PDSMSX403.ccr.corp.intel.com> <20040520015748.776d5b84.neurowork@free.fr> <1085111429.12352.563.camel@dhcppc4> <20040521125637.33f69fc6.neurowork@free.fr> <20040521115207.GA12775@hell.org.pl> <1085161136.9856.5.camel@Neuromancer.home.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="s2ZSL+KKDSLx8OML" Return-path: Content-Disposition: inline In-Reply-To: <1085161136.9856.5.camel-C9mHTC703ZUb5wn6fCfWY+TW4wlIGRCZ@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org --s2ZSL+KKDSLx8OML Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, May 21, 2004 at 10:38:57AM -0700, Ow Mun Heng wrote: > On Fri, 2004-05-21 at 04:52, Karol Kozimor wrote: > > Thus wrote Cyril Wattebled: > > > However, I don't understand, I was told that the centrino processor a= nd chipset > > > supports C3 and even C4. >=20 > C3 is Supported >=20 >=20 > active state: C2 > default state: C1 > bus master activity: ffffffff > states: > C1: promotion[C2] demotion[--] latency[000] usage[01028830] > *C2: promotion[C3] demotion[C1] latency[050] usage[04785987] > C3: promotion[--] demotion[C2] latency[050] usage[00001327] >=20 > This is a Dell D600 1.4g. c3 values are low because I have the USB mouse > on right now. (note the fffffff??) The same here (ibm t41p, 1.7GHz). Using USB forces c2. But c1 seems to be u= sed very seldom (usage count of 10). > I've tested it with and w/o C3. The difference in the battery lifetime > was only very minmal. I got like maybe 10 mins extra. 15min here. LLAP, Martin --s2ZSL+KKDSLx8OML Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQFArk79mGb6Npij0ewRAqg8AKCSkgGLGSxq8rYSaiVVb4MWsfTt6QCgpx9O Jhobg1EF9qS3fe6nE8NbNsk= =S5ZR -----END PGP SIGNATURE----- --s2ZSL+KKDSLx8OML-- ------------------------------------------------------- This SF.Net email is sponsored by: Oracle 10g Get certified on the hottest thing ever to hit the market... Oracle 10g. Take an Oracle 10g class now, and we'll give you the exam FREE. http://ads.osdn.com/?ad_id=3149&alloc_id=8166&op=click