i7 920 4Ghz BIOS suggestions

[anti5580]

Hi,

I’ve been spending the past week or so trying to get my 4Ghz stable.

Below is what I’ve got set up in my BIOS so far and was wondering if they’re correct or if anyone here know what I could enable/disable to either improve performance or tempratures.

Current Temps: 40 Idle - 75 Load

My setup:
i7 920 D0
Asus P6T Deluxe v2
6Gb Corsair Dominator

AI Tweaker
Ai Overclock Tuner: X.M.P
CPU Ration Setting: Auto
Intel SpeedStep Tech: Enabled
Intel Turbo Mode Tech: Enabled
BCLK Frequency: 200
PCIE Frequency: 100
DRAM Frequency: DDR-1603Mhzt
UCLK Frequency: Auto
QPI Link Data Rate: Auto

CPU Voltage: 1.28750
CPU PLL Voltage: 1.96
QPI/DRAM Core Voltage: 1.35000
IOH Voltage: Auto
IOH PCIE Voltage: Auto
ICH Voltage: Auto
ICH PCIE Voltage: Auto
DRAM Bus Voltage: 1.66
DRAM Data Ref Voltage on CHA: Auto
DRAM CTRL Ref Voltage on CHA: Auto
DRAM Data Ref Voltage on CHB: Auto
DRAM CTRL Ref Voltage on CHB: Auto
DRAM Data Ref Voltage on CHC: Auto
DRAM CTRL Ref Voltage on CHC: Auto

Load-Line Calibration: Enabled
CPU Differential Ampliture: 800mV
CPU Clock Skew: Auto
CPU Spread Specturm: Disabled
IOH Clock Skew: Auto
PCIE Spread Spectrum: Disabled

Advance -> CPU Configuration
CPU Ratio Setting: Auto
C1E Support: Disabled
Hardware Prefetcher: Enabled
Intel Virtualization Tech: Disabled
CPU TM Function: Enabled
Execute Disable Bit: Enabled
Intel HT Technology: Enabled
Active Processor Cores: All
A20M: Disabled
Intel Speedstep Tech: Enabled
Intel Turbo Mode Tech: Enabled
Intel C-State Tech: Disabled

Any input would be awesome!

[Ciber]

Is it stable? If it is then I wouldn't worry. Run prime95 for a few hours and see what happens? http://www.mersenne.org/freesoft/

The things I would try to improve stablity would be turn of turbo mode and a little more CPU voltage. I'm far from expert as my 920 isn't 100% stable at 4ghz yet either.

[TheMadDutchDude]

Check if it is stable using Prime95. Keep an eye on your temperatures. Where is this "load" figure coming from?

[anti5580]

My load figures are from Prime95.

I found having Turbo enabled created stability problems ... I needed at least 1.35v in BIOS in order to get it stable but my temps soared through the roof when priming for an hour.

I have now disabled Turbo and it seems to be more stable, I also managed to even lower my voltages. So far I'm priming at 1.27v in BIOS. I'm doing an hour prime then dropping the voltages down a step and prime another hour. Once I find the unstable voltage, I will raise it back to the previous one and Prime for 8+ hours.

BTW is load temps at 75c safe?

[ViRuS2k]

that load temp is safe.
I7s tolorate a lot more heat compaired to quads, infact they love heat LOL

but dont go past 85c keep that at the very limit.