I honestly don't know what bios settings to give you.

I can say one of my 2600k's (the one that runs hotter cuz it has a lower vid) is 12 hours prime stable (tested three 12 hour loops) at 4.5 ghz 1.260v load (1.290v bios llc1), HT on, and no problems in games at all at 5 ghz 1.452v load (1.420v bios llc2). I'm just trying to find enough vcore in bios at 5 ghz to avoid idle bsod without going too high, since there's vrise from idle by about 0.024v from idle to max load. And I don't want to use LLC1, as I need like 1.490v in bios for 1.440-1.452v load. Don't know what else to give you. What's funny is the idle BSOD (last one was at 1.415v bios llc2) is always "Uncorrectable hardware error 0x124" while any prime or game bsod is usually 0x101 (secondary processor crash).

All other voltages are set at auto, besides pll overvoltage, which I need for higher than x49 (or about 4590 mhz is the wall with it disabled).

My other (first) 2600k that has a higher vid and runs cooler, needs a lot more vcore for 4.5 ghz (like 1.290v load instead of 1.260v) and like 1.470v+ for 5 ghz, yet this processor doesn't seem to idle BSOD with LLC2. Anyway I'm burning this chip to death at 5.3 ghz 1.584v load, to see just how much it can take (also, sort of a degradation test for my lower volt chip), at least I can play games at this speed.