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Aiming to get my 980x to 4.0GHz + - Page 2

post #11 of 121
Thread Starter 
Ok i gave the below settings a try and got the following error:

primefail1.jpg

Any suggestions for what to change? increase/decrease?
Quote:
Originally Posted by mymlan;12933635 
The rated frequency is the most important aspect. I'm going to assume 1600 7-7-7-20. I'm going to toss some BIOS settings at you; give them a shot and I'd be happy to explain any options you'd like to know more about / don't understand.


Ai Overclock Tuner............................[Manual]
CPU Ratio Setting.............................[25.0]
Intel(r) SpeedStep(tm) Tech..................[Disabled]
Xtreme Phase Full Power Mode...........[Enabled]
BCLK Frequency.....................................[160]
PCIE Frequency.........................[101]
DRAM Frequency.........................[DDR3-1600MHz]
UCLK Frequency.........................[3000MHz]
QPI Link Data Rate.....................[5760MT/S]

CPU Voltage Control....................[Manual]
CPU Voltage............................[1.26250]
CPU PLL Voltage........................[1.80]
QPI/DRAM Core Voltage..................[1.26250]
IOH Voltage............................[1.14]
IOH PCIE Voltage.......................[1.50]
ICH Voltage............................[1.10]
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.........................[Normal]
CPU Spread Spectrum....................[Disabled]
IOH Clock Skew.........................[Normal]
PCIE Spread Spectrum...................[Disabled]
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post #12 of 121
Looks like a QPI/IOH failure. I'd try bumping IOH to 1.16v and put QPI to 1.3v. Be sure to pick up RealTempGT, too. It's far more accurate than Coretemp and you don't need CPU-Z to monitor throttling. You can pick it up here:
http://www.techpowerup.com/realtemp/

Be sure to reference that BSOD list I sent you if you crash!
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post #13 of 121
The very first thing I would suggest doing is disabling any power saving features. I'm not an expert but in order to have a stable OC you need stable voltages, especially under load. Your also going to want to adjust for vdroop. Enabling LLC (Load line calibration) will fix the vdroop. Disable EIST, C1E, and Turbo. From my experience, starting with an uncore modifier that is double your DRAM will grant you the most stability. Mine is 8x and 16x, although others are stable as well.
Hyperthreading: You may or may not want to disable hyperthreading. Hyperthreading enabled will increase your temps and can actually decrease your performance during most real world apps. It's a cool feature and if you want what you paid for, leave it enabled.
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post #14 of 121
Quote:
Originally Posted by MoonGod12 View Post
The very first thing I would suggest doing is disabling any power saving features. I'm not an expert but in order to have a stable OC you need stable voltages, especially under load. Your also going to want to adjust for vdroop. Enabling LLC (Load line calibration) will fix the vdroop. Disable EIST, C1E, and Turbo. From my experience, starting with an uncore modifier that is double your DRAM will grant you the most stability. Mine is 8x and 16x, although others are stable as well.
Hyperthreading: You may or may not want to disable hyperthreading. Hyperthreading enabled will increase your temps and can actually decrease your performance during most real world apps. It's a cool feature and if you want what you paid for, leave it enabled.
You don't need to double your Uncore for Gulftown. Keep it at 2800-3000MHz to lighten the load on your IMC. Hyperthreading also no longer drops performance with HT-aware OS's; it will merely ignore the logical cores until there's a demand. Definitely disable all power-saving features.
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post #15 of 121
Well I can’t give you much help, but I want to know something, are frequencies over 4ghz actually increasing performance?
Because I can clearly remember an article about the core 2 quad extreme suffering from loss of performance at speeds above 4ghz, is this the same case for the new architecture or am I really behind?
Edited by _Marvin_ - 3/31/11 at 11:28am
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post #16 of 121
Thread Starter 
Not sure my PMs are working, the site keeps going down as I try to send them, so i'll post here instead.

I tried again with the above settings:

Quote:
Looks like a QPI/IOH failure. I'd try bumping IOH to 1.16v and put QPI to 1.3v
And Prime95 crashes instantly, do i up it some more? or would you suggest I try a different approach, also I now have LinX to use instead/aswell as Prime95
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post #17 of 121
I have very little experience with P95; I've found LinX to be much handier in producing helpful BSoD's. Knock down your BCLK to 133MHz and make 5MHz steps. Catch each BSoD and make the appropriate adjustments.
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post #18 of 121
Thread Starter 
Quote:
Originally Posted by mymlan View Post
I have very little experience with P95; I've found LinX to be much handier in producing helpful BSoD's. Knock down your BCLK to 133MHz and make 5MHz steps. Catch each BSoD and make the appropriate adjustments.
Ah I see now, sorry i forgot we was at 160 lol

I'll give 133 a go and see what happens.

edit - running LinX at 133 as we speak, will let it finish and up it by 5 and report back!

edit 2 - Ok so I tried 138 and it wouldn't reach windows it would just hang on a black screen with the cursor visible (I was able to move the cursor)

Also when I got into windows using 133 it took a while before i could do anything.
Edited by Sast - 3/31/11 at 2:00pm
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post #19 of 121
Quote:
Originally Posted by mymlan View Post
You don't need to double your Uncore for Gulftown. Keep it at 2800-3000MHz to lighten the load on your IMC. Hyperthreading also no longer drops performance with HT-aware OS's; it will merely ignore the logical cores until there's a demand. Definitely disable all power-saving features.
I didn't know this about HT. Are temps affected by HT when turned on? How does Windows determine when it's necessary or not?

Also Memtest86. Run it if you get errors during prime95 Blend test.
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post #20 of 121
Thread Starter 
So would you suggest I run memtest before I try anything else?

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