I've just been watching this discussion from the sidelines up til now. But I just can't resist being the devil's advocate any longer. <grin> To those of you who recommend removing the cover... Do you also recommend removing the back cover from a TV? The picture tube would run much cooler and the set would probably last longer. How about taking off the hood off of your car? Looking at things from a temperature perspective, that's a device that could really use some extra cooling. Jim Meagher ----- Original Message ----- > When something is not logical, I check it out for myself. Since I have > never seen any computer case designed to "channel" air flow for maximum > cooling, I mentally disputed the claims that the CPU runs cooler with the > case cover on. To prove that the "opposite" is true and the CPU runs hotter > with the cover on, I made measurements with and without the cover. Do you want to signoff PCBUILD or just change to Digest mode - visit our web site: http://nospin.com/pc/pcbuild.html