I have a HP Pavillion p6610f and am wanting to upgrade my cpu. I am wondering if I can use a AM3+ processer or do I have to stick with the AM3? The motherboard specs are here http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02560084&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&lang=en&product=4300938#N191