Comment Undervolting (Score 3, Interesting) 485
search google for "undervolting". it worked for me - i undervolted an old amd t-bird 1.3ghz to 1.3 volts at 1ghz. i have no fan on the cpu or on the bridge. check "athcool" for linux, my computer stays under 70 centigrade and is _may_ more silent :-)