Quote Originally Posted by Sam_oslo View Post
Yes I'm happy with 07/24 BIOS too, it is used in this run:

@2110MHZ 9-10-9-23 1T HypePi32M stable




You should try with turbo:off first. Otherwise, usually you shouldn't need more tweaks for @4GHZ, just add more Vcore and give a shot.
Does the 20x multiplier still cause random issues? 20x200 should be the easiest 4.0 correct?