Date: Fri, 04 Feb 2005 11:41:22 -0800 From: Nate Lawson <nate@root.org> To: Colin Percival <colin.percival@wadham.ox.ac.uk> Cc: freebsd-mobile@freebsd.org Subject: Re: est, ich, cpufreq Message-ID: <4203CFE2.7070208@root.org> In-Reply-To: <41C24561.4030202@wadham.ox.ac.uk> References: <41C20009.3080302@sofsis.cl> <41C24561.4030202@wadham.ox.ac.uk>
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Colin Percival wrote: > Phillip Neumann wrote: > >> Im wondering whats the difference between est and ich? both softwares >> has the same goals? > > Different hardware support. Enhanced Speedstep (aka. est) operates using > processor and VRM support only, whereas the original speedstep (ich) uses > chipset support. > > Other minor benefits of est over ich include having more frequencies > available (typically 6 different frequencies, rather than 2), and having > faster transition between modes (10 microseconds vs. several milliseconds > IIRC). > >> when will be a release of cpufreq?.. > > I'm not sure, Nate (victim CC) is the one working on this, last I heard. cpufreq, including a speedstep ICH driver, has been committed. Soon to come is support for relative drivers. (Code working in my tree and just needs some cleanups.) Colin, if you haven't had time yet, send me the latest version of your EST driver and I'll hook it into the framework. -- Nate
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