Ok, so here's the deal. I have a Toshiba Satellite a135-s4656 laptop that came built in with windows vista. Now I wasn't impressed with vista, so I did what I consider to be an upgrade to windows XP. The first problem was the drivers. Wireless and physical network cards where inoperative, sound and video was down, so on and so forth. Since then I've gotten almost everything working except one thing. The SM Bus Controller. I can't find a fix for it, anyone have any advice?