Lowered my overclock to 50 MHz (9x445) vs 9x450 and it passes LinX.
When i bought this CPU 3 years ago have it at 4.050MHz for 2 yrs@ 1.3V.
Last year without touching anything or change the bios (0902) needed to pump it to 1.31V
This year even with 1.34 cannot be 9x450. But with 9x445 and 1.31V (maybe lower i try that) it is ok.
PLL/FSBT at minimum (1.5./1.2) - i have benched at 4.5GHz by only raising Vcore + Vnb