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From: Pat Erley <pat-lkml@erley.org>
To: "Manuel Argüelles" <manuel.arguelles@gmail.com>
Cc: linux-acpi@vger.kernel.org
Subject: Re: powernow-k8: No compatible ACPI _PSS objects found. (Asrock N68-S)
Date: Wed, 28 Apr 2010 01:00:47 -0400	[thread overview]
Message-ID: <4BD7C0FF.5030302@erley.org> (raw)
In-Reply-To: <hr8dum$ivs$1@dough.gmane.org>

On 04/28/10 00:35, Manuel Argüelles wrote:
> Hi,
> 
> I just bought an AsRock N68-S motherboard with an AMD Phenom II 955 
> processor and I'm getting this message.
> 
> Cool 'n Quiet option is enabled on the bios, I retrieved the DSDT (from 
> /proc/acpi/dsdt) and decoded it with iasl -d, couldn't find anything about 
> _PSS on it.
> 
> I emailed AsRock support but no answer, the bios version that I have is 2.0, 
> it was released on December 25, 2009.
> 
> I have read that it is possible to modify the DSDT to support this, but I 
> have no idea how to do that, I haven't found much information either.
> 
> What do you recommend me to do?, should I try to get more into DSDT? is 
> adding _PSS to a DSDT an easy task?
> 
> I haven't test it on windows, do you think that may help? is there any 
> useful information that I cat get about it on windows? does windows also 
> interacts with the Cool 'n Quiet feature using the bios' DSDT or something 
> else? Will it be possible that it works fine on windows but not on linux? On 
> the download page there's a Cool'n'Quiet driver for windows. (Is there 
> anything that can be done with that?)
> 
> I also tried to recompile the DSDT and got one error and 7 warnings, the 
> error was:
> 
> DSDT.dsl  4832:  Return (Zero)
> Error    4080 -  ^ Invalid object type for reserved name (found ZERO, 
> requires Buffer)
> 
> Which I suppose has nothing to do with this.
> 
> Regards
> 

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 were 
kinda voodoo for me to come up with, and I'm not sure that I have them
correct, just that they work.

Pat
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  reply	other threads:[~2010-04-28  5:00 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-28  4:35 powernow-k8: No compatible ACPI _PSS objects found. (Asrock N68-S) Manuel Argüelles
2010-04-28  5:00 ` Pat Erley [this message]
2010-04-28  5:30   ` Manuel Argüelles
2010-04-28  5:38     ` Pat Erley
2010-05-14 21:08     ` Thomas Renninger
2010-05-15  4:25       ` Manuel Argüelles

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