My motherboard temperatures were always <34ºC. I recently changed my PSU from a Qtec 650w to a Seasonic 430w and CPU from 3000+ (2.5ghz) to opteron 146 (2.7Ghz). I also now have an Arctic Cooling Freezer 64 instead of the stock hsf that I had for my 3000+. Ever since I changed these 3 peices of hardware my motherboard temperatures have shot upto 47ºC idle . Im not sure if its reporting it incorrectly or that the upgrade of the hardware has caused it. Any thoughts welcome! ps. My case isn't anything special, side panel always off and has been keeping my cpu/gfx/mobo(pre upgrade) cool, so I dont think its the case.