Ok.. Thankz for your reply Joojaa, so were you succeful on converting a FX 5900 to a quadro? How? Can U give me some directions? drivers you've used / method?
By the way, I've solved the problem of viewport switching, and yes, it was just the driver, I've picked up the 45.28 detonator, works fine... besides I was unable to make softquadro work
Cheers