Modding BIOS / unlocking BIOS

Hi 

I have a HP 300 - 1120
I will attach screen shots of my system I have a 2.7GHZ process and I want to upgrade to a 3- 3.3GHZ process and my MOBO only supports certain 
Processors, the MOBO supports AM3 and the CPU / CPUS I have chose support AM3 . I have no idea how to do this somebody please help.

Regards AFTRDETH

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