On 3/11/21 6:17 AM, Corentin Labbe wrote: > Hello > > I have a server where sensors-detecte gives: > Some Super I/O chips contain embedded sensors. We have to write to > standard I/O ports to probe them. This is usually safe. > Do you want to scan for Super I/O sensors? (YES/no): > Probing for Super-I/O at 0x2e/0x2f > Trying family `National Semiconductor/ITE'... Yes > Found unknown chip with ID 0x0404 > > I have tried to search on the motherboard but didnt find any visible NS nor ITE chip. (could it be embeded in chipset or BMC for example ?) > Furthermore, with another OS (a buildroot with more recent kernel), sensors-detect give that the ID is 0x0101. > Any hope there is a real hwmon chip behind ? > Unlikely, given that the ID is not stable and that both ID registers return the same (changing) value. It could be a BMC or an EC but that won't help since we don't know how to access it. Guenter