From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Delvare Date: Fri, 12 Mar 2010 10:39:44 +0000 Subject: Re: [lm-sensors] Wrong temperatures reported for Core2Duo CPU in Message-Id: <20100312113944.4bbedb14@hyperion.delvare> List-Id: References: <781687b2e6d2a27726f35a316f5bf821.squirrel@webmail.nodivisions.com> In-Reply-To: <781687b2e6d2a27726f35a316f5bf821.squirrel@webmail.nodivisions.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: lm-sensors@vger.kernel.org On Fri, 12 Mar 2010 10:40:48 +0100, Luca Tettamanti wrote: > On Wed, Mar 10, 2010 at 7:10 PM, Jean Delvare wrote: > > On Wed, 10 Mar 2010 08:41:52 -0800, lmsensorslist@nodivisions.com wrote: > >> OK, I just tested this, by running the "stress" command for a few minutes, > >> until the coretemp values were 91C and 92C.  I then immediately shut down > >> and went into the BIOS.  Here's the BIOS numbers: > >> > >> 68C CPU Die/Package Temperature > >> 54C Motherboard Temperature > >> 44C Motherboard Temperature > >> 82C ICH Temperature > >> 58C MCH Temperature > >> > >> And here's the same BIOS numbers after sitting there in the BIOS for 10 > >> minutes: > >> > >> 63C CPU Die/Package Temperature > >> 50C Motherboard Temperature > >> 44C Motherboard Temperature > >> 83C ICH Temperature > >> 54C MCH Temperature > >> > >> I guess the die temp is the one that corresponds to the CPU? > > > > Yes, it probably comes from the CPU internal sensors, although only > > disassembling the BIOS could tell for sure. > > From my experience on Asus boards the "CPU" temperature shown in the > BIOS is usually read from the external monitoring chip, and only > rarely from the CPU itself (using PECI - with a totally wrong tjmax - > sigh). Yes, but this is an Intel board here, with the QST thing, so I wouldn't rely on the usual assumptions. > The ICH temperature is also suspiciously high. Indeed. -- Jean Delvare _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors