the reason i ask is.. i was looking for a 1.2 200 and the guy told me at the computer store that this chip would work fine with this mb, after installing it thing`s were going fine, and all of a suden it started locking up mult 12.5 and fsb 105 put every thing back and it runs fine (12x100) ive had a 1ghz running at 1245 for some months now on this board just woundered if i was supose to somthing different