OK, here goes with my settings...
I simply cannot overclock using the multiplier on this motherboard, never been stable, regardless of any settings and this is the same with my old 1090T and the the 8350. Overclocking has only been successful by increasing the bus. Another thing, I have never managed to get a stable overclock by manually bumping the voltage of the CPU. It has only worked when I up the Digi VRM capability settings..
Anyway, here are my current settings for my stable 4.44 GHz overclock: -
CPU Ratio: 20X (Default)
CPU Bus: 223
PCI Freq: 100 (Default)
Mem Freq: 1486 (Underclocked after bus increase)
CPU/NB Freq: 2230 Mhz (Have tried to lower this, as I know the default is 2200 Mhz, no improvement on stability)
HT Link Speed: 2230 MHz (Same as above)
CPU Spread Spectrum, PCIe Spread Spectrum and EPU Power Saving Mode all disabled
CPU Load Line Calibration: Ultra High (Has helped with stability)
CPU/NB Load Line Calibration: High (Same as)
CPU Current Capability: 130%
CPU/NB Current Capability: 120%
CPU Power Phase Control: Standard
CPU Voltage Freq: Auto
VRM Spread Spectrum: Disabled
CPU Power Duty Control: T.Probe
CPU and NB Voltage: Offset
All voltages: Auto
Cool n Quiet, C1E, SVM, Core C6 State and HPC Mode all set to Disabled.
Again, I know the first thing anything anyone will suggest is manually adjusting the voltages, I have tried this, again and again, very small increments to CPU voltage, CPU/NB and DRAM from their low defaults and up to 1.5V on the CPU Voltage, with no help on stability and I would not like to push it any further to avoid frying the chip. At current settings the voltage goes up to 1.45 and temps under load are about 60C max...
Phew, that's the essay done. Would like to squeeze a bit more performance out of this chip, hearing that it can get to 5.2 GHz. But fully understand that I may have already hit the wall, based on my motherboard chipset and my possible outcome in the silicone lottery!
Thanks Edited by JoeChamberlain - 4/5/13 at 3:13pm