You do realize that this thread was started in December of 2009, right? lol
Anyway, the Y410 has the GM965/PM965 chipset, which supports Socket P processors with a FSB up to 800MHz. This would mean that the T7300 will work no problems. In fact, my sister has a Y410 which I upgraded to a T7300.
\\ I do not respond to PM regarding individual tech support. Keep discussions in the forum for the benefit of others //