Hi all, Well, this may be a stupid question, but I just upgraded the CPU in my barebones box. Running an ASUS P4S800-MX and had a P4 2.4 533 FSB 1MB cache processor in there running great. Bought a P4 3.2 800FSB 1MB cache processor and plop it in and nothing (both Prescotts). On boot I get nothing at all on the screen and the drive spins up for about 10 secs and then stops. Put the old CPU back in a it all works fine. Did I miss something?