Originally Posted by cmeeks
Well I don't want to lower my frequency any lower than 1600. As I said, I loosened my timings to 7-8-7-24. Additionally I increased VDDQ (Vdram) to 1.7. I also increased VCCIO (QPI/VTT) TO 1.1V. Sin's guide recommends staying below 1.2 on VCCIO, so perhaps I'll bump it up to 1.15.
I'm not familiar with memtest, but I just downloaded it and I'll check it out. +rep to both of you!
Just raise VCCIO to 1.2 or 1.25v to see if that helps. If it doesn't help, lower it back to stock settings. If it does help, lower it in increments until it becomes unstable then raise it back up an increment to find the minimum stable VCCIO voltage. Also, 1.7 seems very high for VDDQ.