Bios Mods -The Best BIOS Update and Modification Source

hello, I have a toshiba p100 279 with a T2600 processor, and I want to change for a T9300 that I received as a gift, but my bios does not accept, someone can help me.

think the chipset bus speed stops that working;

http://www.cpu-world.com/CPUs/Core_2/Int...0606M.html

http://www.cpu-world.com/CPUs/Core_Duo/I...0482M.html

might be wrong though.