Should i reset bios when i add new ram?

[sativa1874]

I am replacing my G.Skill 2GB DDR2 LA PC2-5400 with 2GB of Corsair Twinx/XMS2-6400C4 tomorrow.
I have overclocked a bit with it running at 2840MHz.
Should i take it back to stock settings before i put the new stuff in?
thanks

 

[sativa1874]

Thanks for reply,
This is what ive been running at with vcore at 1.4 and ram at 2v it never goes above 50c at full load.
I havent been able to get above 320x9 without it rebooting with sp2004, Do you think the new ram will let me go further?

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[sativa1874]

Ive ran memtest no errors, its my first attempt at over clocking and i find it quite hard to get my head round , ive probably got something in the bios wrong.
I think i mabye made a bad choice with the mobo.