Date: Tue, 21 Sep 2004 10:32:10 +0200 From: Bruno Ducrot <ducrot@poupinou.org> To: Francois Tigeot <ftigeot@wolfpond.org> Cc: freebsd-amd64@freebsd.org Subject: Re: bios.h question Message-ID: <20040921083210.GS16132@poupinou.org> In-Reply-To: <20040920181137.GA1004@aoi.wolfpond.org> References: <20040914150419.GA7191@aoi.wolfpond.org> <200409141543.13318.peter@wemm.org> <20040915063512.GA10104@aoi.wolfpond.org> <200409170907.18458.peter@wemm.org> <20040917190850.GA69926@aoi.wolfpond.org> <20040920170013.GQ16132@poupinou.org> <20040920181137.GA1004@aoi.wolfpond.org>
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Hi, On Mon, Sep 20, 2004 at 08:11:37PM +0200, Francois Tigeot wrote: > I'm curious: did you find any recent documentation ? All documents on > Powernow! I could gather on AMD site were for the K6 family. Actually it is well documented (for the k7 one, it's another story though). http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_739_7203,00.html Especially: "BIOS and Kernel Developer's Guide for AMD Athlon 64 and AMD Opteron Processors", #26094 look especially at 9.5.5.2 which describe how to make a transition for example. "AMD Athlon 64 Processor Power and Thermal Data Sheet", #30430 which contains (amongst other things) all the processors supporting frequency and voltage scalings. and of course you have to look at the errata doc. Cheers, -- Bruno Ducrot -- Which is worse: ignorance or apathy? -- Don't know. Don't care.
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