Nobody can tell you what "settings" to put in, as every combination of CPU and motherboard, and even systems with the same motherboard and CPU due to each CPU having it's own characteristics, is going to favor different settings as optimal. Every individual setup is going to be different and you need to take things one step at a time until you find the plateau for your CPU and hardware.
Different memory, different motherboard, different powers supply, different CPU, all will make things somewhat individualized for your best overclock.
I'd suggest you read this:
https://www.tweaktown.com/guides/8481/coffee-lake-overclocking-guide/index.html
And this...