Thanks for the extra detail.
It's been a bit of a grind getting it working. Dropping RAM, stable, reboot, save settings to BIOS, unstable again. All over the place.
I re-seated the RAM (even though it hadn't been removed) and it got worse, refused to boot with a "CC" error code. I found one reference to this, can't remember the link - but it was "over-tight CPU cooler". I took half a turn off each corner and things started working again.
Finally settled on 42x CPU, 36x Cache.
Very interesting process with the overclock. To cut a long story short, once I had the offset voltages yielding my maximum "happy" voltage (1.25 - 1.30);
The following changes gave stability:
VCCIO to "Auto"
DRAM to "MODE 1" (I read that this was best for RAM that is not on the QVL list)
DRAM voltage to 1.355
Temps are good, the AIDA was from a RealBench test:
Cache & Memory benchmark is not quite as good as I was hoping for, but, it will do
Originally Posted by mattliston
cache voltage has no need to ever exceed vcore.
Not all cache's run fast, so 3.7ghz is definitely not terrible, and will do well.
Your SA voltage is a little high, but if it keeps it stable, by all means keep it there.
Another way to help stabilize higher cache is to bump the ram voltage up a hair. Slightly unstable ram will act like unstable cache, since it talks to it all the time (just like how vcore sometimes needs a bump to work with faster cache and ram)
balancing act lol