Date: Tue, 22 Dec 2009 17:22:31 -0800 (PST) From: James Phillips <anti_spam256@yahoo.ca> To: freebsd-current@freebsd.org Subject: Re: Systems running hot? Message-ID: <576433.27739.qm@web65503.mail.ac4.yahoo.com>
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--- On Tue, 12/22/09, James Phillips <anti_spam256@yahoo.ca> wrote: > From: James Phillips <anti_spam256@yahoo.ca> > Subject: Re: Systems running hot? > To: "Dag-Erling Smørgrav" <des@des.no> > Received: Tuesday, December 22, 2009, 6:21 PM > > > --- On Tue, 12/22/09, Dag-Erling Smørgrav <des@des.no> wrote: > > > From: Dag-Erling Smørgrav <des@des.no> > > Subject: Re: Systems running hot? > > To: "James Phillips" <anti_spam256@yahoo.ca> > > Cc: freebsd-current@freebsd.org > > Received: Tuesday, December 22, 2009, 5:30 AM > > > > Well, Those Of Us [tm] who actually read the docs and > wrote > > the driver > > know that the temperature is reported by the CPU > itself as > > a 6-bit > > number which represents degrees Celsius below the > junction > > temperature. > > Thank-you for the clarification. That does indeed match my > experience (but I never trusted the number because the CPU > fan does not spin up to full speed even when the CPU is at > its maximum rated (case) temperature). It is the "Core" CPU > temperatures that are made-up: > > "The reported CPU core temperatures are not comparable > across BIOS revisions. The (reported) core temperatures > averaged about 77C for the 0052 version, about 88C for the > 0059 revision, about 64-68C for the 0065 revision, and about > 86-88C for the the 066 revision. For the 0068 revision the > reported avg. core temps were 83-85C (All under the same > Prime95 load.)" > > "Call For testing" - wall of text describing my > frustrations with the Cooling of an Intel Board. > http://forums.xkcd.com/viewtopic.php?f=36&t=32700&p=1615440#p1615440 > > > I have no idea where your 65534 came from, but it > certainly > > didn't come > > from the CPU. It may have come from an i2c probe > > mounted on the > > motherboard, possibly somewhere near the CPU, or maybe > the > > BIOS made it > > up out of thin air, or maybe you were actually reading > the > > clock, not > > the temperature. > > > > The BIOS does indeed pull the number out of it's *ss. It is > a composite number formed from about 3 different sensors on > the motherboard. > > Regards, > > James Phillips > > > > __________________________________________________________________ Be smarter than spam. See how smart SpamGuard is at giving junk email the boot with the All-new Yahoo! Mail. Click on Options in Mail and switch to New Mail today or register for free at http://mail.yahoo.ca
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