gainward 4870 GS @ oc bios ?

[mdp]

hay there...
i have a question . have any 1 in here flashet gainward 4870 golden sample whit a oc bios like! asus top ? or diamond bios ?
or is there another bios to unlock the oc limit on this card

http://forums.techpowerup.com/showthread.php?t=68887 this model i have

[cadaveca]

This card is non-reference, so any bios from reference cards might brick the card, so no, noone has tried.