The BIOS temps will be taken during the non-OS state, so any programs (however small) will cause CPU usage and thus raise the temps. I prefer to use a very good heatsink with a high volumn fan and ...
I've got an OCZ Gamexstream 600w, powering an E2140, 8800 GT, 2 HDD's, 2 PCI cards. I was concerned when I saw the BIOS voltage readings. Of course, they are BIOS readings so I'm not 100% confident as ...