Just a quick update - I got my e6750 ORTHOS stable for 24 hours at 3.6GHz (8x450) 1.5v ram@900MHz 4-4-4-12 2.175v, FSB 1.4, HT 1.4v, MCP 1.5v, SPP 1.5v
Now here is the wacky thing - it previous failed at the same speed @ 1.5375v after 20h40m. The only difference were FSB 1.3, Ram 2.2v, HT...