Minor update, quick test...
Tried to reduce SA, 1.12v failed on 1st VT3 loop, 1.14v on 3rd, 1.16 on 6th, didnt try 1.18v
Tried to reduce MC, 1.365, 1.375, 1.3825, 1.40 all failed on 1st loop
BUT i also tried TX/VDDQ at 1.22/1.46 and it passed 15 loops
Update: Boot pc today with TX/VDDQ...