I have a asus deluxe ii motherboard and a i7 6850k. I left vccio cpu and vccio pch on auto, and both ticked up to 1.25-1.3v.
I manually set them both in UEFI to 1.050. HWInfo is now reporting
Heading: Asus EC
vccio pch 1.05 = 1.303
vccio cpu 1.05 = 0.131
PCH Core = 1.059