Hi Idb, Hmmm, depending on your room ambient temperature it can! I have an average ambient room temp of 30c (86Fahrenheit) it's the sweaty tropics - lol! Here I have tested a variety of Northwoods particularly the 3.0 - 3.2ghz and when I am in the Bios, I would usually peep at "Hardware Info" - lo and behold I do get 40c-41c (about 107 F), (I believe you meant Degrees Fahrenheit as u mentioned 100 degrees without C or F, else had you meant C that wd have equalled 212 Fahrenheit! could boil water for tea there! If its really Celsius you meant then its time to junk the mobo. ) Continuing.. once I get into the desktop the 3.xghz Northwoods would settle to about 36-37C (98F), and if air conditioning is switched on they go down to the 31-33C's (88-91F). Incidentally I have always observed that being in the Bios, or in Dos, cpu temps *are* generally 3-4 C higher, but that pertains partly to the hot ambient temps I get here. Surely 98se doesnt have cpu throttling ability. Maybe better brains than mine can explain. Still, those are my figures for comparison. Just my 2 cents. Best! tee Charoen