On Thu, 2 Oct 2008 20:21:26 +0530, Raj Mathur wrote: > On Thursday 02 Oct 2008, Jean Delvare wrote: > > On Thu, 2 Oct 2008 18:12:35 +0530, Raj Mathur wrote: > > > sensors-detect seems to find the sensors fine (transcript at > > > bottom). However now I find that some of the temperatures seem to > > > be unreasonably high. Please see Sys Temp (76.0C) and Aux Temp > > > (127.0C) in the sensors output under. > > > > 127 degrees C typically means that no thermal sensor is connected to > > that input. So you can ignore this input. > > Thanks, that's what I suspected, glad to have it confirmed. > > > 76 degrees C is admittedly very high, but then again it depends what > > it is measuring. Don't trust the default labels which may or may not > > apply to your motherboard. You should compare with what the BIOS > > says. Also look at the motherboard documentation, in my experience > > Intel board have a good description of where the thermal sensors are > > located. > > The BIOS reports it as "Motherboard Temperature". It keeps slowly > varying in the 72-76 degrees C range. OK, so same as what lm-sensors report. So it has to be correct. > I'm afraid hardware isn't really my domain, so even though I do have the > document it doesn't make much sense to me. What I do gather from from > the technical specs > (http://download.intel.com/support/motherboards/desktop/dg31pr/sb/e14051001us.pdf) > is that there are thermal sensors in the CPU(s), the I/O Controller Hub > (ICH7) and the Graphics and Memory Controller Hub (GMCH). If I > correlate that information with the sensors-detect output and eliminate > the core temperatures, it seems that the 76 degrees C is in the ICH7 > (though I could be totally wrong). Not sure how you "correlate", but I'd rather say 76 degrees C is the GMCH and 35 degrees C is the ICH. Rationale: the GMCH has a heatsink while the ICH doesn't. > In any case, from experience, is a temperature of 76C in the ICH or the > GMCH a cause of concern? If this is in the normal range for > motherboard temperatures I'll stop worrying about my system running hot > right now :) If it looks high, I'll ask my hardware supplier to check > the board out for faults. All advice appreciated.