On 9/12/07, Jean Delvare <khali at linux-fr.org> wrote: > > Hi Juerg, Juergen, > > On 9/12/2007, Juerg Haefliger wrote: > >> If this is true, next bios revision might solve the problem. > > > >A BIOS upgrade might fix the display of the temp numbers on the BIOS > >config screen it will not affect the output of sensors. The Linux > >driver reads the temp directly from the dme1737, the BIOS is not > >involved at all. If it turns out that the temp diode in your CPU is > >not a 3904 type, the only 2 options are: > >1) Tweak the dme1737 to recognize the diode type (not sure if that's > >possible, I have to look at the datasheet). > >2) Come up with a conversion algorithm and put it into sensors.conf. > > This isn't totally correct in the case of the DME1737, as it has > temperature offset registers. It would be possible for the BIOS to set > the CPU temperature offset depending on the CPU model, and that would > affect Linux as well. That would mean a very well written BIOS, that's > rather rare in my experience. Yes, that's what I meant by tweaking the dme1737, just poorly formulated. I'm not sure if there's other registers besides the offset registers. And you're right, if the BIOS does it we're OK. > If the BIOS doesn't write the offset, you can do it. But of course you > have to know the correction factor for your CPU, and I'm not sure where > you can find this information. > > -- > Jean Delvare >
