I have a T-Bird 1.0ghz which I am currently running on an a7v333 with Kingston pc2700 CL 2.5 I am able to get 7.0x161 stable, But not one Mhz higher. My vcore is 1.85 and temps are stable at 39 idle and 41 load. Anyway, I'm not sure what the stepping is on the cpu but I have found an older non-T-bird 1.0ghz in my closet and the stepping is AVHA 0105. Anyone know if this is a known stepping for good overclocking? Thanks!