my 2500 barton cant break 200 fsb. at 205, programs crash. it shuldnt be temps, because the proc. idles at about 37c, 43c at load. Ram is pc3500 hyperx 512x2. Ram shouldn't be holding me back, unless its a dud stick. any ideas? vcore is 1.75. i can prime at ddr200, havnt had time to prime above that. doubt its ram tho....maybe. any ideas appreciated.