Quote Originally Posted by dejanh View Post
I just identified in my testing that running Uncore higher than QPI is not stable over long term. Also, running Uncore so high (4GHz+) is also not stable. Puts too much stress on components.

Some of these things change of course when you are sub-zero.

I took your advice and I was finally able to run stable 200 x 21.

One question. that whole 8:9 ratio, which in actuality is .888333 instead of .888999 does that also need to apply when Bclk is under 200?

Reason is that I have to run mem at 6x and uncore at 15x to get 200x21 stable.

If I lower Bclk to 199, then I can run mem at 8x and uncore at 16x.

I've run prime 95 for a while and it seems stable, though, I know I need to let it run for a longer period of time, but normally when one of my configs is unstable, it crashes within 5 minutes.