Want to upgrade My Sony pcv 1152 / RA820G

[Easy River]

Hi
I have Sony computer, I want to upgrade it to Core duo processor
, can some one stare me in the right direction.
can I just change the cpu?
or do I have to change the whole MB
if yes then what specs I have to look for?
also is there any basic guide where I can get the uprading info.
Thanks

 

[Tmagic650]

Are you sure your Vaio model is PCV RA820G, and not PCG RA820G?

You have a Pentium 4... With a 800MHz bus. You will need a motherboard with a LGA 775 socket