confuse in bios mobo

ann73

Honorable
Dec 5, 2013
2
0
10,510
i have asrock h61-m vs r2.0 mobo and g2010 intel.... now my friends sell his core-i5 3470 .. the question is i wonder if there will be a problem if just replace the old processor w/ the new one?
someone tell i should check my bios version also? why do we need to update our bios wht si the purpose of that? pls. enlighten me thanks
my bios ver. is 2.7