How to overclock second GPU ?

[bbq]

I have 2x GPU not in SLI i use rivaturner to overclock, no option for me to overclock second GPU. is there anyway people?

Thanks

[bbq]

never mind, i found it .. Rivaturner can do it

[stereo555]

Evga's precision will work too , and very easily I might add . http://www.evga.com/precision/