I think that what people are trying to tell you is that motherboard sensors are rarely accurate, again as said, they're placed near the processor so it's impossible for them to be accurate.
Your current motherboard sensor seems to be quite close, how ever future motherboards may not be.
An example I came across was my DFI LP NF3 250GB which was way before CoreTemp existed (IIRC, CoreTemp can only read AMD processors after a certain revision and this is Newcastle/Clawhammer days so wouldn't have worked even if CoreTemp was available). The temperature difference shown by the board was around 10 degrees between two different bios', so which one do you believe?
Was the previous bios right, or over reporting? Visa versa for the updated bios'.
Your current motherboard sensor seems to be quite close, how ever future motherboards may not be.
An example I came across was my DFI LP NF3 250GB which was way before CoreTemp existed (IIRC, CoreTemp can only read AMD processors after a certain revision and this is Newcastle/Clawhammer days so wouldn't have worked even if CoreTemp was available). The temperature difference shown by the board was around 10 degrees between two different bios', so which one do you believe?
Was the previous bios right, or over reporting? Visa versa for the updated bios'.