thanks, let us know if you find out more. mds Bertrik Sikken wrote: > > Hi again, > > I experimented some more trying to read the registers in the > undocumented range from 0x00 to 0x1F. There seem indeed to be > several other interesting values. The values I read back are > consistent between consecutive reads or some of them vary a > bit over several reads. I think I can identify some as being > voltage inputs. It does not look like that there is a simple > relation between registers 0x00-0x1F and 0x20-0x3F. > > Regards, > Bertrik > > Bertrik Sikken wrote: > > > Hi all, > > > > I did some experiments with the ASB100 health monitoring chip > > sitting on my Asus A7V333 motherboard. > > > > This chip is currently supported by the w83781d driver in > > lmsensors 2.6.5, but the CPU temperature indicated by sensors > > is different from the one shown in the BIOS (version 1013) > > and the asusprobe utility under windows (v2.18.01). > > > > I found out that the CPU temperature (as indicated by the > > BIOS and asusprobe) is stored in register 0x17. > > This is in an area undocumented by the w83781d datasheet. > > The lm78 datasheet indicates the area 0x00-0x1F as 'POST RAM'. > > > > Register 0x17 is exactly 0x10 positions away from the normal > > temperature register at 0x27 as shown in the lm78 datasheet. > > So I suspect there will be more interesting registers in this area > > but have not tried them all yet. > > > > I won't mind doing some more experiments and I hope this info > > is useful for improving ASB100 support. > > > > Kind regards, > > Bertrik Sikken > > > > > > > > > >