Some tests update again:
1. Small FFTs Priority 9 fail in 1 hr 4 min
2. Prime95 Crashed during overnight run therefore I don't know the duration

But one thing for sure is that the system is not stable still
for IBT testing, 1.25v VTT will fail 1/10 runs while 1.2v can pass 20 runs. I wonder if vNB GTL is wrongly set (+60mv). Currently running 4x Memtest 3.7 (410MB each). Will report back ASAP after the result is out. I guess it's CPU GTL related but I don't have a clue still...comon