System won't boot with 4 sticks of DDR2-800-with 3, it boots fine and other two fans come on as well. Bad PSU? It's brand new! Asus Extreme Gamer MB,2- 8800GTX in SLI and that's it. The memory is Corsair PC6400 800mhz for a total of 4 gigs of memory. I ruled out bad memory and/or memory slots. I'm thinking it has to be a lack of power. Any help tech support?