NVIDIA is the main producer of chips for graphic accelerator card and mother boards. Its popularity probably has to do with the quality of such products and to the excellent advertising used to promote each created model.
Well, NVIDIA nTune is an application designed to work with two NVIDIA motherboards, the nForce2 and the nForce3.
This wonderful tool offers the possibility to increase the performance of the boards mentioned above, taking the most advantage out of them.
In this way, NVIDIA nTune conducts an analysis of the whole system to know for certain which component can potentially be improved.
In short, if you have trusted NVIDIA so much to obtain one of these two mother boards, try NVIDIA nTune and you will not regret it.