so I made other tests. I had no problem to reach 300 MHz FSB (did not try above, will see later with a new HSF as I only have Intel Box)
C1E worked without problem (1800 idle, 2700 full)
then I removed my PCI VGA card, rebooted... and lost my settings once more. Seems I need to leave my PCI...
I have found a solution
I borrowed a good old PCI VGA card to a friend
First, I plugged it alone, with no PCIe VGA, and overclock was possible with no problem (233 FSB)
Then I added my PCIe card. The BIOS was set to boot first on PCI card. I could enter the BIOS, raise my oc (266 FSB), and...
I have the same problem with the following setup:
965P-DS3 3.3
E4300
2x1Go PC5300 Crucial
LeadTek 7950GT 512 Mo
I've tried everything I have found on the net, everything but using an old PCI VGA card
What happens is once I exit the BIOS, the mobo powers off, then powers on, and then powers off...