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-   -   4 Ghz stable(?) (http://www.hardwarecanucks.com/forum/overclocking-tweaking-benchmarking/21471-4-ghz-stable.html)

bkh2 August 2, 2009 01:58 AM

4 Ghz stable(?)

I am currently running at 4.0 ghz on Prime95.

Are the temps okay? I'm running a W/C Loop with just a Swiftech GTZ block and a 3x120mm rad.

BCLK: 200
Vcore: 1.3V

Everything else left on auto.

Is there any way I can go higher? The max Vcore is 1.375V (by Intel) right? I have no experience overclocking RAM. Any help on this would be appreciated.

Chris August 2, 2009 07:06 AM

I am not anywhere near the experts here, but it seems that 80c is pretty high for water cooled. Also, look into the vdimm in bios and see what it says. I tried auto once, and it set vdimm to 1.79v on my board, so I now set vdimm manually.

gingerbee August 2, 2009 07:52 AM

80c is very high for water. with an ambient of 30c in my house i never go over 76 core at full load prime so my question is what's your ambient room temps. what rad do you have heat load from the i7 is quite a bit

bkh2 August 2, 2009 10:43 AM

@ Gingerbee - I am also around 30C for ambient temp. I don't know why my temps are so bad =[

I am currently using Swiftech 3x120mm Rad. Also, is my voltage okay? It's not too high, is it?

@ Chris - Thanks for the heads up. I'll take a look at my vdimm in a bit.

gingerbee August 2, 2009 10:55 AM

wow you have the same rad as me too. is your block locked down all the way? ( without breaking anything that is ha ha )
other thought is it could just be the voltage your at i am only at 1.2 so if you can go lower then i would. and i never trust auto ether

bkh2 August 2, 2009 11:02 AM


How do I check what the auto settings have set it to? Also, what should I set manually and what should I leave on auto?

Gingerbee, what block are you using, and what thermal paste?

gingerbee August 2, 2009 11:36 AM

i use CPUID works well . swiftech triple rad and gtz with mx2 tim on it.
just set your ram to what it says most ram is 1.65 i happen to be using ram which max's at 1.5.
is this your ram OCZ Technology | Products | Memory | OCZ PC3-16000 Gold Low Voltage Triple Channel
If so ocz says max is 1.65
my volts are
cpu 1.2
qpi/vtt 1.21
ram 1.5

bkh2 August 2, 2009 11:51 AM

My ram is actually rated at 1600, not 2000.

Do I need to change DRAM, UCLK, PCIE, or QPI data rate frequencies, or is it okay to leave those on auto?

Also, what are all those other voltages for in http://www.sfu.ca/~bkh2/P8020026.JPG ?

I'll give those voltages a shot, Gingerbee. Thanks for the help.

Airshehan August 2, 2009 12:11 PM

If you would like your processor to have a longer life, stick to a maximum voltage of 1.3v! 80C is a little too hot in my opinion! The maximum temp for this CPU is approximately 90C. I would recommend you install some more case fans, change the waterblock if it is performing poorly and/or apply some new good quality thermal paste. If none of these bring down the temps, down clock your CPU to 3.6-3.8GHz! Good luck!

bkh2 August 2, 2009 12:22 PM

@ Airshehan - Thanks! My thermal paste at the moment is Tuniq TX-2 from way back when. Should I change to The Chill Factor thermal paste? These are the only 2 that I have, excluding the one that came with the waterblock. That one just looks really ghetto...

And yes, I think you are right. I think I will reduce my frequency, since I'm not aiming for any benchmarks. I just wanted to see if I could hit 4 Ghz :D

As far as extra case fans, the case I'm using right now (Thermaltake Xaser III, oldschool :P) is not too great. It's got seven 80mm fans that don't do much, really...

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