i had ordered teh ASUS A7M266 and the AMD athlon thunderbird 1.33ghz cpu...fedex comes today i take every thing out...go to put the cpu into the ziff and it doenst fit...the pin grid array is differnt...WTF are there different versions of the AMD 1.33ghz cpu or the ASUS A7M266 or something that i totally missed before ordering this stuff....this is btw the first AMD cpu i have ever tried...adn suggestions or help that you guys can post would be greatly appreciated.