The problem I am having is that I am having a hard time figuring out what my mobile chip really is..it's a 1.6ghz mobile northwood, with 512k of L2 cache, so it would seem to be a mobile P4, but it doesn't default to the 12x multiplier.. Spec of SL6EX, and I can't seem to find it on the intel site...I've only had it at 2.1ghz, but it's limited by a crappy motherboard right now, I have PC2100 ddr with it, but at 133Mhz FSB, it runs the ram at 166mhz, and won't let me run it any lower, so it's limiting my OC. I have pin AE1 bent, so it's getting a voltage of 1.25v. I may try the mod to default it to 133fsb, but have to get a better motherboard and ram first.