I have P35 Platinum and it won't work with two Crucial 1066mhz.
Tried BIOS 1.1, 1.3, and 1.4
Put up the voltage up to 2.5V, set it to 5-5-5-15 and up/down. S.B, N.B numbers.
It worked before I flashed BIOS. I possibly had BIOS 1.0 but not too sure.
Running with E6750, 500w...