Date: Wed, 17 Mar 2004 23:08:38 +0100 From: Sascha Klauder <sklauder@trimind.de> To: FreeBSD-mobile@FreeBSD.org Subject: Re: PowerNow in mobile AthlonXP Message-ID: <20040317220838.GA5647@trimind.de> In-Reply-To: <20040317211359.GB53072@www.lambertfam.org> References: <74EC3F3BA88A824FA61D3FD88097DB821915EF@ITIServer03.iti> <20040311180557.GB78217@www.lambertfam.org> <20040313000147.GQ28592@poupinou.org> <1079517975.10165.0.camel@localhost> <20040317192650.GB41487@www.lambertfam.org> <20040317202916.GA5235@trimind.de> <20040317211359.GB53072@www.lambertfam.org>
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On Wed, Mar 17, 2004 at 04:13:59PM -0500, Scott Lambert wrote: > > On Wed, Mar 17, 2004 at 02:26:50PM -0500, Scott Lambert wrote: > > > My DSDT may be messed up. However, thanks to Bruno, I now have the > > > ability to set my processor speed to six different levels without going > > > through ACPI. This has significantly cooled my lap, reduced local noise > > Uh...that sounds pretty cool. Where to pick up the patches? > > Please? :) > http://poupinou.org/cpufreq/bsd/powernow_k7.tar.gz Loads fine on my HP nx9005 (5.0-CURRENT just a few days old), but does not register the sysctl OIDs. Quickly inserting a few printf()'s indicates that retrieve_conf_from_bios() fails somehow, but I'm at a loss at how to fix that right now. With check disabled: Powernow: frequency scaling yes -- voltage scaling yes AMD Powernow K7 <0kHz 1450mV> sysctl hw.powernow hw.powernow.frequency: 0 hw.powernow.voltage: 1450 hw.powernow.max_states: 0 hw.powernow.state: 0 hw.powernow.table: fsb 0MHz latency 0.000us But it's pretty cool that Bruno ported it nonetheless! Maybe I get it running on my nx9005 somehow. > Bruno also found a little bug in sys/dev/acpica/acpi_cpu.c > that was preventing my machine from showing the C2 option on > hw.acpi.cpu.cx_supported. Is this in CVS already? > temperature 28 degrees Centigrade. Just using the ACPI option yields a > 20 degree temperature drop. The powernow_k7 option on it's own yields a > 22 degree drop at the lowest speed setting. Sounds great! Cheers, -sascha
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