Hey Guys, I seriously need some help. I got a 4,1 Mac Pro running dual 2.26ghz Quad Core Xeons, 12GB's of RAM and a GeForce GT 120. When trying to boot I only get the white blinking power light. (permanently flashing, not just 3 times or so) I of course googled, and found out that in like 99% of cases, it was bad RAM. I already tried all variations of RAM re-seating and still no luck I also removed the CPU heat sinks and applied some new thermal paste beneath it. As I thought, no changes. My RAM are 5x2GB Hynix, and 1x2GB elixir 1066 ECC DIMMs. Could it really be that all of the RAM sticks are broken? Should I just give it a go and buy some new sticks to test them? My biggest fear would be a defective logic board. But as lucky as I am, it might actually be the board.. Also tried the SMC reset without any luck. Hope you guys can help me.