Hi Storia, thank u for replaying me, there is friend of me and he wanted to do research about an AMD processor: Athlon II k10 core architecture, so i search at the same site that u gave me a link to in the last time but didn't find some thing useful there, so if u can help me with some book or sheet that r same to that u gave me but on this type of processor, I'll be very thankful to u Storia, hope not bored u with my long replay