From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pat Erley Subject: Re: powernow-k8: No compatible ACPI _PSS objects found. (Asrock N68-S) Date: Wed, 28 Apr 2010 01:00:47 -0400 Message-ID: <4BD7C0FF.5030302@erley.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from li59-9.members.linode.com ([97.107.129.9]:54456 "EHLO erley.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751345Ab0D1FAz (ORCPT ); Wed, 28 Apr 2010 01:00:55 -0400 In-Reply-To: Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: =?ISO-8859-1?Q?Manuel_Arg=FCelles?= Cc: linux-acpi@vger.kernel.org On 04/28/10 00:35, Manuel Arg=FCelles wrote: > Hi, >=20 > I just bought an AsRock N68-S motherboard with an AMD Phenom II 955=20 > processor and I'm getting this message. >=20 > Cool 'n Quiet option is enabled on the bios, I retrieved the DSDT (fr= om=20 > /proc/acpi/dsdt) and decoded it with iasl -d, couldn't find anything = about=20 > _PSS on it. >=20 > I emailed AsRock support but no answer, the bios version that I have = is 2.0,=20 > it was released on December 25, 2009. >=20 > I have read that it is possible to modify the DSDT to support this, b= ut I=20 > have no idea how to do that, I haven't found much information either. >=20 > What do you recommend me to do?, should I try to get more into DSDT? = is=20 > adding _PSS to a DSDT an easy task? >=20 > I haven't test it on windows, do you think that may help? is there an= y=20 > useful information that I cat get about it on windows? does windows a= lso=20 > interacts with the Cool 'n Quiet feature using the bios' DSDT or some= thing=20 > else? Will it be possible that it works fine on windows but not on li= nux? On=20 > the download page there's a Cool'n'Quiet driver for windows. (Is ther= e=20 > anything that can be done with that?) >=20 > I also tried to recompile the DSDT and got one error and 7 warnings, = the=20 > error was: >=20 > DSDT.dsl 4832: Return (Zero) > Error 4080 - ^ Invalid object type for reserved name (found ZERO,= =20 > requires Buffer) >=20 > Which I suppose has nothing to do with this. >=20 > Regards >=20 I recently did something similar: http://pat.erley.org/Other/P4EISTSSDT It wasn't 'too hard', but it was by no means easy... the _PSS values we= re=20 kinda voodoo for me to come up with, and I'm not sure that I have them correct, just that they work. Pat -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html