X58 SLI Over clock Bios Settings w/ Intel I-7 – 920
 
Hello!
 
Below are some settings I plan on using for my first over clock… Please let me know if any settings are too aggressive which most likely give problems right away, for example if the CPU Uncore Frequency (3224Mhz (24X ) is set to high.
 
Any recommendation/suggestion very much welcomed!
 
FREQUENCY/VOLTAGE CONTROL
Dummy OC: (Disabled)
Extreme Cooling: (Disabled)
CPU Clock Ratio ( 20X )
CPU Host Frequency (Mhz) ( 134 )
MCH Strap ( Auto )
CPU Uncore Frequency (3224Mhz (24X )
CPU Clock Skew [0 ps]
Spread Spectrum ( Disabled )
PCIE Frequency (Mhz) ( 100 )

MEMORY FEATURE
Memory SPD: (Standard)
Memory Control Setting (Enabled )
Memory Frequency (1333MHZ /2:12)
Channel Interleave Setting ( 6 Way )
Rank Interleave Setting ( 4 Way )
Memory Low Gap ( Auto )
tCL Setting ( 9 )
tRCD Setting ( 9 )
tRP Setting ( 9 )
tRAS Setting ( 24 )
tRFC Setting ( 88 )
Command Rate ( 1T)

VOLTAGE CONTROL
EVGA VDroop Control ( With VDroop )
CPU VCore (Auto)
CPU VTT Voltage ( +150mv)
CPU PLL VCore (Auto )
DIMM Voltage ( 1.650V)
DIMM DQ Vref ( +0mV )
QPI PLL VCore ( Auto )
IOH VCore ( Auto )
IOH/ICH I/O Voltage ( Auto )
ICH VCore ( Auto )
PWM Frequency ( 800 KHz)


CPU FEATURE
Intel SpeedStep ( Disabled )
Turbo Mode Function ( Enabled )
CxE Function ( Disabled )
Execute Disable Bit ( Enabled )
Virtualization Technology ( Diabled)
Intel HT Technology ( Enabled )
Active Processor Cores ( All )
QPI Control Settings ( Enabled )
QPI Link Fast Mode ( Enabled )
QPI Frequency Selection ( 4.8GT/s )
 
  
Computer Specifications: 
BIOS Version: 83
Power Supply: Silencer 750 Watt made by PC Power & Cooling (SLI ready)
CPU: Intel i7 – 920
Memory: G. Skill RipJaws X Series, 8GB (2X4GB) Kit, PC3-10666 1333 Mhz
Total Memory installed: 8 GB, (F3-1066CL9D-8GBXL).
Motherboard: EVGA X58 3X SLI (Model: 132-BL-E758-TR)
Video Card: EVGA Nvidia Geforce GTX 560 Ti in SLI
Sound Card: On board Sound
Hard Drives: Samsung 250 GB SSD 840 series & Segate 500GB SATA Drive
Optical Drives: Two DVD/RW Drives
OS: Windows 7 Home 64 Bit

Hi tucker147
 
Thank for getting posting! 
 
I have air cooling, so that's why I wanted to do a moderate overclock.. I have Coolermaster Hyper 212 Plus.
 
By the way, I went into Bios to try your settings but the CPU Uncore Frequency ([<font]2672Mhz (16X ) you suggested was not an option, the lowest setting for the CPU Uncore Frequency in my BIOS is ([<font]3346 (20X ).
 
So since I could not set that setting you suggested I decided to abort and see what you suggest before I try the settings.
 
so what do I do?
 
Thanks!

Hi

Under Memory Frequency I don't have have 1336MHz 2:8, I only have listed:
800Mhz / 2:6
1067Mhz / 2:8
1333Mhz / 2:10
1600Mhz / 2:12

And it keeps climbing from there... Do I have to change something for that setting to appear?

Okay, I'll try that.

But one question, by dropping the memory frequency to 1067 / 2:8 my memory won't run at it's rated speed of 1333Mhz.
Is that still fine?

Okay, so I tried all the initial setting from your first post, but once Windows loaded with got Blue Screen of Death and then system rebooted... :(

What do you suggest now?

Hi tucker147

Thanks again for your continued help with this!!!

Okay, I changed the CPU VTT Voltage to +100mV and this time I was able to boot into Windows and no problems so far...

Right now at idle at the desktop the CPU core temps are around 49 /50 degrees.

I'm actually a bit nervous..! I feel like if I do something I might break it... Lol

What should I do now?

PS
I don't recall what the BSOD error said, it only flashed and system rebooted.

*** Can I enabled the speed step technology so the CPU throttles down when I'm not doing much work on it?

I have Prime95... can i run that?  If so, for how long do you suggest I run it?
 
Now, I'm pretty excited and all because of you, thank you again buddy!

Wow, that sounds like an awesome benchmark utility- , only 5 minutes to check stability!
 
Is it a free utility that i can download?

So from one time run the LinX at the end of the test it will give you three test results like you listed above?  And each test must have the same exact result?
For example, to indicate its stable each should be:
Run 1: 60.8765 GFLOP/s
Run 2: 60.8765 GFLOP/s
Run 3: 60.8765 GFLOP/s
 
So if there's any difference in the run results, I need to adjust Vcore either up or down?  So am I understanding that correctly so far?

Okay, I'll run the LinX test later tonight and let you know what are the results...
I'll be praying things go good with the test!

Hi Tuker147
 
So I just got on my system and tried the LinX stress test.  I ran two 10 Min test back to back. Here are the results below:
 
First 10 Min Test:
 
 
Second 10 Min Test:

 
So what do you think?  What do the results tell you? 
Do you suggest I make any adjustments to the CPU VCore or the CPU VTT Voltage according to the results?
 

I clicked the button "Upload Files To The Server"...
 
I've never done this before, hope this works... Do you see them now?

 
FIRST 10Min Test:

 
SECOND 10Min Test:

 
Okay, I tried the upload method via URL, hope you can see them now.
 
So what do you think?  What do the results tell you? 
Do you suggest I make any adjustments to the CPU VCore or the CPU VTT Voltage according to the results?
 
By the way, my temps were in the low 70's and once one of the cores peaked to 76 degrees.

Okay, so increased VTT to +125mV.  Here are my results:
 
3rd 10Min test (VTT increased to +125mV):

 
What do you suggest now?
 
Thanks a million!
 

Hey tucker147

Okay, I'll drop the VTT back to +100mV. In post #16, you said the following:
" It means that you don't have enough Vcore or too much/too little VTT. If it doesn't drop three times in a row your good."

In post #18 you suggested that if it drops 3 consecutive times then to increase Vcore.

So just to be clear, at the moment don't tweak the Vcore voltage and instead try my system out for a couple of days to see if it locks up or freezes?

I'll try some gaming..! I'm gonna pray! Lol