Quote Originally Posted by Vandre View Post
Turning on speedstep, turning on turbo and turning off turbo power limit, then setting the multiplier manually, seems to have cured my problems. Thanks for the (decidedly non-obvious) hint!

Currently running at 133x30 with headroom to spare. With speedstep off and turbo off, throttling ensued at 133x28 or 135x27 for me.

Now to try tuning my 2000-specced ram to perform at >1866.

Excellent to see such support. Thanks illuminatiASUS, unclewebb!
Where do you find this option in the BIOS? Turbo Power Limit