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i7 930 4.0GHz OC - Opinions? - Page 3

post #21 of 42
Quote:
Originally Posted by meeps View Post
Good news! Just got home from work and prime95 has been running for 8 hours 35 minutes without issues. I guess 1.25v is my voltage! Also, temps are much happier that its 26.7C (funny how 1C can make such a difference) seeing as loads are 66-72C (66 being core4). I'll apply the tweaks that I want and then begin a new run of Prime95 that I'll most likely run til tomorrow.

I might even try it with 1.24v just to see if the tweaks better help my vcore once that run is done!
If you've gotten to 8+ hours stable at 4GHz and 1.25v
I'd say leave it alone!!
Now run it for 12 hours, and see what it does!
Your well within it's safe temp zone, and a nice Vcore to!

66-72C is great for full load temps!
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post #22 of 42
Thread Starter 
Quote:
Originally Posted by Inteller View Post
If you've gotten to 8+ hours stable at 4GHz and 1.25v
I'd say leave it alone!!
Now run it for 12 hours, and see what it does!
Your well within it's safe temp zone, and a nice Vcore to!

66-72C is great for full load temps!
Well I woke up to a BSOD this morning, and it happened pretty much on the 12 hour mark .

I'm curious if settings like this would actually help:
Quote:
IOH Voltage............................[1.12]
IOH PCIE Voltage.......................[1.50]
ICH Voltage............................[1.20]
ICH PCIE Voltage.......................[1.50]
I only have my IOH Voltage to 1.10 and the rest auto. I just don't know what they actually do.

Does this BSOD seem like vcore?

Edit: For reference, I used a variation of the settings here: http://www.overclock.net/intel-mothe...ml#post8397751

But I left my DRAM at 1.20000, didn't touch the IOH PCIE Voltage, nor the ICH Voltage, nor the ICH PCIE Voltage, I didn't disable PCIE Spread Spectrum, and I didn't disable CPU TM Function.

Quote:
Ai Overclock Tuner.....................[Manual]
CPU Ratio Setting......................[21.0]
Intel(r) SpeedStep(tm) Tech............[Disabled]
Xtreme Phase Full Power Mode...........[Enabled]
BCLK Frequency.........................[191]
PCIE Frequency.........................[100]
DRAM Frequency.........................[DDR3-1531MHz]
UCLK Frequency.........................[3063MHz]
QPI Link Data Rate.....................[Auto]

CPU Voltage Control....................[Manual]
CPU Voltage............................[1.25000]
CPU PLL Voltage........................[1.80]
QPI/DRAM Core Voltage..................[1.21875]
IOH Voltage............................[1.12]
IOH PCIE Voltage.......................[1.50]
ICH Voltage............................[1.20]
ICH PCIE Voltage.......................[1.50]
DRAM Bus Voltage.......................[1.64]
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 Amplitude.............[800mV]
CPU Clock Skew.........................[Delay 300ps]
CPU Spread Spectrum....................[Disabled]
IOH Clock Skew.........................[Auto]
PCIE Spread Spectrum...................[Disabled]

C1E Support............................[Disabled]
Hardware Prefetcher....................[Enabled]
Adjacent Cache Line Prefetch...........[Enabled]
Intel(r) Virtualization Tech...........[Disabled]
CPU TM Function........................[Disabled]
Execute Disable Bit....................[Enabled]
Intel(r) HT Technology.................[Enabled]
Active Processor Cores.................[All]
A20M...................................[Disabled]
Intel(r) SpeedStep(tm) Tech............[Disabled]
Intel(r) C-STATE Tech..................[Disabled]

Edited by meeps - 8/23/11 at 7:02am
post #23 of 42
First, what was your high temp after 12 hours???
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post #24 of 42
Thread Starter 
Quote:
Originally Posted by Inteller View Post
First, what was your high temp after 12 hours???
Couldn't tell ya, I was passed out and I'm not quite sure how to get logging to work on RealTemp. I just know the BSOD screen is the same one as the previous ones (Although I can't remember the specific error code, but it had to do with low vcore the rest of the time, so I'll just pop my vcore to 1.20v and see what it says).
post #25 of 42
Whats your vcore at right now, when you ran the 12 hour test?
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post #26 of 42
This is what I would change to:

If your vcore is set to below 1.20v
I'd adjust it up to 1.21v to 1.22v

Then, I suggest these settings, and I think your gonna be rock solid stable.

CPU Differential Amplitude.............[800mV]

CPU Clock Skew.........................[Delay 100ps]

IOH Clock Skew..........................[Delay 100ps]

QPI/DRAM Core Voltage..................[Auto]
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post #27 of 42
Thread Starter 
Quote:
Originally Posted by Inteller View Post
Whats your vcore at right now, when you ran the 12 hour test?
My vcore was at 1.25000 (but runs at 1.24 in CPU-Z)
Quote:
Originally Posted by Inteller View Post
This is what I would change to:

If your vcore is set to below 1.20v
I'd adjust it up to 1.21v to 1.22v

Then, I suggest these settings, and I think your gonna be rock solid stable.

CPU Differential Amplitude.............[800mV]

CPU Clock Skew.........................[Delay 100ps]

IOH Clock Skew..........................[Delay 100ps]

QPI/DRAM Core Voltage..................[Auto]
Since my vcore is already at 1.25v would this changes apply?
post #28 of 42
If it's 1.25v in your bios, take that up, by just 1 tick
(highlight it, and just press the plus button once)

Yes, still change the other settings I suggested
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post #29 of 42
Thread Starter 
Quote:
Originally Posted by Inteller View Post
If it's 1.25v in your bios, take that up, by just 1 tick
(highlight it, and just press the plus button once)

Yes, still change the other settings I suggested
Alright, I'll give 'em a try. Also, got realtemp to log so IF it's a temp problem I'll be able to see it this time.
post #30 of 42
If it was a temp problem, your cpu would have throttled down.

Plus your cpu cooler is a Monster! I used one, and the Prolimatech's are great! You can improve it's performance, by getting 2 higher output fans.
Edited by Inteller - 8/23/11 at 7:31am
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