Date: Thu, 13 Jan 2005 15:08:30 +0100 From: Stefan Walter <sw@gegenunendlich.de> To: freebsd-hardware@freebsd.org Subject: Re: Athlon XP-M/PowerNow for desktop system? Message-ID: <20050113140830.GA1953@kyuzo.dunkelkammer.void> In-Reply-To: <20050113115600.GP19199@poupinou.org> References: <20050113100503.GA1060@kyuzo.dunkelkammer.void> <20050113115600.GP19199@poupinou.org>
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--mYCpIKhGyMATD0i+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Bruno Ducrot in gmane.os.freebsd.devel.hardware: >> I'm currently thinking about replacing the Athlon 900 in my desktop >> machine with a more recent CPU, and I'd be interested in getting one of >> these Athlon XP-M "Low Power" CPUs. I think the mainboard - a MSI KT4AV-L >> (MS-6712) with VIA's KT400A chipset - supports those CPUs, but I'm not >> sure if I would be able to use their energy saving features with FreeBSD. >> I know about the powernow_k7 module [1], but not enough to say if it >> should work in this case or if there could be problems with desktop >> mainboards. >>=20 > > Generally, for an ATX motherboard, you may be able to change the > multiplier of the CPU but not the voltage, the latter requiring a > VRM mobile part. If this is a concern, you should consider an ITX form > but you have to be sure that one do have a VRM mobile part. As the mainboard is less than a year old, I didn't want to exchange that, too. I considered an Athlon XP-M because it consumes less energy and should be cooler than the desktop variant. If you can't change the voltage of the CPU on an ATX board, that's OK, but I'm not sure if it's really worth buying it if I possibly can't throttle the frequency when it's idle. > Of course, you may consider another kind of CPU if you need ATX form > (amd64 class, maybe sempron, if you want to stick with AMD, comes to > mind). If I had to buy a new mainboard, too, I'd probably take an Athlon64 now. (BTW: Does Cool'n'Quiet work well with FreeBSD?) There are desktop boards for the Pentium M now, too, but they're still too expensive, and there's no AGP support for the i855 chipset, so they're not an option. Stefan --=20 No reading beyond this point --mYCpIKhGyMATD0i+ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iQGVAwUBQeaA3laRERsSueCzAQKepgv/Q8IwfBZFmH0J4MMfUi2ju7bK24CYZYon iHXTwkobLZtnaZvbj4gOpPiyx8+KG2+gi/RwVUokZDCMJQHQ3wT5cXxaHIAlTllC 2+vwuYI1uuzhOfGVod8rf96q7EmzYCU2aAYmK+zXjOMraFJdoWNDfL2N76heuJCO TfSNHh5JxLJ14dTNmvEG+vYO4bHMPDEAJEVZdifayK8T/ixE1o//QXOEVdoMDNgz ujFod03pADDCBNvagwzoxtlZP8fIVQhKJZ7W/6llnZF2bcxYma4H1vk1Ks+YeGoT ZkH/Wc530T+q84T59JsLZEC+WzyqnYmZEzAaQSR9gn83nM7+CgOZ0WhEkCf8BFIE WNFtQ1Sox2oesDy+IHFGPKuFRVOmpP1AkQxHgYqAWT0SQsmfNx6QKnXGf289wUZu aGVxQaJzX6qyPa9YI9p1ImTLaWvLvMYuK47bssst+Ya0hAwf0+KNeEY5jXNKpTBb fn1GZ2li5xxkLvmJl6nqr9FXU2zF7iCd =DqKm -----END PGP SIGNATURE----- --mYCpIKhGyMATD0i+--
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