Overclocking before windows installation or after?

[chum_alex]

Hello
My first post and probably a dumb one too.
I am getting my new board, and cpu tomorrow.
Amd 5000+ black edition.
Since i am getting a new board i am going to reinstall windows.
My question is
should i be overclocking cpu before i install windows or after i install one?
Does it even metter?

 

[ch0b0]

might wanna do it after

 

[chum_alex]

wow that was fast.
Thanks.