I only have a few seconds because all i have now is my pda, and the battery dying. I am building- mobo in my sig, P4 soc 478, i just put everything together very carefully (read all i could) powered up and nothing happened, what a terrible feeling not even P Supply fan. a LED on the Motherboard is on and thst is it. where do i start troubleshooting? ill be back after I charge up. Im so depressed. all that money and time for nothing at all.