I have the exact same problem. I too thought it was the PSU. Tried my current one with no luck. Tried different RAM with the same results. I've narrowed it to the board or CPU which I'm assuming is the board. Going to RMA it tomorrow.
I was having a problem with getting my motherboard to power up so I had the PS out trying different configurations. I finally got it to work and my comp booted to bios. I turned it off and reinstalled the PS, plugged everything back and went to power up. Nothing on screen. Green power light is...
I recently just bought the following hardware:
A8N-SLI
90nm 3500+ A64
1 gig (2x512) OCZ EL Platinum Revision 2 PC3200 with 2-2-2-5 timing
2 74 gig raptors in RAID0
X-Connect 500w PS
I installed all the parts and plugged my PS in. Got the green power light on the motherboard. Tried to turn...
Chumbo shipped my BFG 6800GT PCI-e last Thursday. Came yesterday but I missed it. The website still says highly allocated as far as I know but they are shipping backorders.
This was a common problem over at mp3car.com forums. As you said, the imac slot load drives are switched 180 degrees but the Panasonic slot load DVD/CDRW and DVDRW drives are oriented correctly if you'd like to try one of those.