What reading in SpeedFan corrresponds to NB temp?

[brassbin]

i have E2200/Gigabyte GA-73VM-S2 if it matters

 

[Binky]

Most boards don't report this temp. I think some DFI boards do, but very few others. I use an infrared thermometer to read temps like that.

http://www.nitro-toyz.com/rtkmt4.html