Hello. I am using an old laptop (Model: LG Xnote R510-L.A230K) using Intel Pentium T3400 (2.17Ghz, FSB 667MHz) as a secondary laptop. However, T3400's performance is terrible, and I would like to upgrade it to Intel Core 2 Duo T9550 (2.6GHz, FSB 1066MHz). I've found that my mainboard supports...