> I've still got version P2.20, but the ASRock changelog doesn't say > anything about sensors. I tried the fist version and last version. They are the same. (in this part of code) > How did you get that BIOS image? Is there a way to extract it? I'd > love to have a look. I tried downloading the images from the ASRock > website, but they don't even have those strings in them. Or am I > missing something? It is compressed. Just imagine that image like a filesystem. There are some tools available. See my Bios Hacking guide, made for this purpose :) http://assembler.cz/biohack.html > Hmm, multiply by 160. The LSB of the ADC output is 16mV. So we're > working in tenths of millivolts apparently. Nice. > > > The BX value is somewhere hidden or even not included so I cant > > tell anything about the formula. > > Well, I worked it out from that disassembly, and we can say > something about the formula. If I didn't make any mistakes, it > seems to follow the formula in the datasheet, with the mysterious > BX being the beta value. The 24h (36) in there is the 3.6V > reference voltage. This means that my original estimate is probably > somewhere near correct, but it leaves the problem of the resolution > being way too small. > > Theory: the hardware guys at ASRock miswired in5 and in6. The BIOS > software guys programmed the BIOS according to the datasheet. When > testing, they noticed the problem, and disabled the negative > voltage readout. It is a low-budget product after all, so fixing > the hardware might simply have been too expensive. And negative > voltages are hardly used in todays PCs anyway. very nice catch maybe very close to reality. > I've emailed ASRock, whose first reaction was to tell me to try the > program at http://mbm.livewiredev.com. I took a second try at > explaining them that I'm running Linux, and that I would like to > know the formulas. I haven't had any response so far, but it's only > been half a day. We'll see what happens. > Heh looking forward. If you want to talk about this just go to IRC on irc.freenode.net #linux-sensors Regards Rudolf
