That can put the bios xfx 280x to undermine all coin?

[Tomaxitoo]

Hi all, I have a question I'm all coins miner and mino 4 r9 xfx 280x,
I'm going to flash, to get more performance in the pool, which bios you recommend me to use?
He also had other doubts, what if I put a xfx bios of asus direct CU 280x?
and if I put a 290x bios cualquierda happens?

Thank you so much!
I hope you can help me ..

 

[RCoon]

Might be worth asking in this thread
http://www.techpowerup.com/forums/threads/bitcoins.140659/

 

[Tomaxitoo]

Thank you very much I will put