Ok, so I have a Power Mac G5 Dual 2.3 PCI-X that won't boot while using any Apple AGP Pro Cards such as the Radeon 9600 that came in it or other 9600's from other G5's that I have laying around that work in other G5's. But, an AGP Rage 128 Pro from a Power Mac G4 that I have works and boots. So with the 9600's, the machine will start to boot and end up at a dull blue screen and occasionally artifact, but never boots. Machine chimes at boot and has no red or white lights. I have reset pram/nvram, reseated memory, swapped memory, etc. Problem only exists with AGP Pro cards. Any ideas? Are there any "good enough" AGP 2x/4x cards for this machine? I don't care if it has ADC, DVI, or VGA outputs, all are options that I can use.