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i7 3820 - 4820 Overclock Club - Page 28

post #271 of 6497
Quote:
Originally Posted by mcandmar View Post

2000mhz for mine too using XMP, CPU clock the same as yours 125x37.
I tried experimenting with custom BLCK frequencys and it was having none of it. Anything custom would not post at all, even got stuck into a loop of powering on/off trying to sort itself out, had to resort to the clear cmos jumper to get it to boot again. Weird thing is it will boot and run with 166 but fails during stress testing. But if i try 130, 133, 140 i get nothing. Can anybody explain that to me as it makes no sense at all rolleyes.gif

The highest thats stable for me is 128MHz. Anything more and instant BSOD
     
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post #272 of 6497
Hey criminal, I have a suggestion: turn this thread into an Owners Club! There is already a good deal of potential members and good info on how to overclock and how far you can go, so now is the perfect time!

Oh, I bought one last week! It's still in its box as I still have some stuff to do on my rig before I upgrade it. I want to run some benchmarks to compare my current rig to the Core i7 3820 upgraded rig. I'll post screenshots once I have it running.

I also bought:

- Asus Sabertooth X79;

- 16 GB Corsair Dominator 1866 Mhz DDR3 kit.


Edit: forgot to add: and a Corsair A70.
Edited by tpi2007 - 3/27/12 at 7:55pm
 
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Metro 2033 review
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post #273 of 6497
Quote:
Originally Posted by jthomas View Post



I have the same OC as you including Vcore voltage and you seem to be getting better temps with the Noctua than I am with the Intel water cooler.

 

I have similar accept my glops is 110 and my temps is cooler but im sure the temps is do to the h100
post #274 of 6497
Quote:
Originally Posted by Maximuscr31 View Post

I have similar accept my glops is 110 and my temps is cooler but im sure the temps is do to the h100



wow H100 Im jelous smile.gif
What case do you have?
And also what temperatures do you have?
Thanks
post #275 of 6497
Quote:
Originally Posted by mcandmar View Post

2000mhz for mine too using XMP, CPU clock the same as yours 125x37.
I tried experimenting with custom BLCK frequencys and it was having none of it. Anything custom would not post at all, even got stuck into a loop of powering on/off trying to sort itself out, had to resort to the clear cmos jumper to get it to boot again. Weird thing is it will boot and run with 166 but fails during stress testing. But if i try 130, 133, 140 i get nothing. Can anybody explain that to me as it makes no sense at all rolleyes.gif

SBE has BCLK Straps. essentially its a multiplier for the BCLK. The different multipliers are 1, 1.25, and 1.66. and if you use these boot straps it only changes the final CPU frequency. however if you try upping the BCLK to 101, 126, 167 then you're changing the speed of the whole system (PCI express speed, SATA, USB anything that transmits data), and there's a big chance you can damage your components. Stick to the boot straps. specifically the 1.25 strap as it seems to be the easiest to maintain stability. I mean you can achieve 5375 mhz with a 1.25 BCLK strap. And if for some reason 5.3 GHz isn't enough lower your multiplier and use a 1.66 BCLK strap. just whatever you do try to refrain from using a custom BCLK.

If you want to read more into BCLK straps refer to the SBE OC guide.
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post #276 of 6497
Quote:
Originally Posted by shiftwig113 View Post

just whatever you do try to refrain from using a custom BCLK.

Pretty much what I figured. I was able to use 128MHz stable but was afraid to keep it that way and reverted to 125MHz.
     
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AMD Ryzen 7 1800X ASRock Taichi X370 MSI GTX 1070 ARMOR OC  G.SKILL Ripjaws V 16GB DDR4 3200MHz 
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(Corsair Force LS SSD 120GB) (2 WD 2TB) ASUS DVD-RW  DEEPCOOL GAMMAXX GT  Windows 10 Home 
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(Monitor: Samsung SM 2333T) (TV: LG 49UH6030) Logitech K520 SeaSonic SSR-650RM  Cooler Master HAF XB EVO 
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post #277 of 6497
Yeah you should shoot higher, depending on your cooling. My 3930k is at 4.5 GHz and yours is a quad core. It can reach higher. thumb.gif
post #278 of 6497
Hello guys,

It seems to me that me and lots of other ppl need a proper guide to oc our cpu. If someone is willing to give us a snaps of what they changed and why, would speed up the process 100%
Please, don’t make me do my homework.. Again!
Anyway i come from P6X58 thread, where ppl used to post their bios settings and clocking was made easy.. now its a mess.. a million new ones, and i don’t have time to learn!

Thanx!!
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My System
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post #279 of 6497
Quote:
Originally Posted by shiftwig113 View Post

SBE has BCLK Straps. essentially its a multiplier for the BCLK. The different multipliers are 1, 1.25, and 1.66. and if you use these boot straps it only changes the final CPU frequency. however if you try upping the BCLK to 101, 126, 167 then you're changing the speed of the whole system (PCI express speed, SATA, USB anything that transmits data), and there's a big chance you can damage your components. Stick to the boot straps. specifically the 1.25 strap as it seems to be the easiest to maintain stability. I mean you can achieve 5375 mhz with a 1.25 BCLK strap. And if for some reason 5.3 GHz isn't enough lower your multiplier and use a 1.66 BCLK strap. just whatever you do try to refrain from using a custom BCLK.
If you want to read more into BCLK straps refer to the SBE OC guide.

Yup good advice, its just the memory speeds with 1.25 strap that irritates me.

I re-read the SBE overclocking guide and came to the conclusion what my BIOS tells me is actually utter nonsense. I have two options, BLCK and Strap. Under Strap i have the choice of 100,125,166,250. Now you and i know that really means 1.00, 1.25, 1.66 multipliers but they are presented in such a way it looks like you are dealing with clock speed in mhz. The really messed up part is whenever you pick a strap, say 1.25, it automatically changes the BLCK field to 125, it basically makes them both the same value, and you can not change it. BUT when you boot and do the math its clearly running a 100mhz BLCK with a 1.25x strap or i would have a 5.7g clock speed instead of 4.6g.

Even the ASUS TurboV software has a pretty slider for strap that is listed in MHZ, and also shows the BLCK Frequency as 125mhz. I thought i was having trouble getting my head around the math but i am starting to think its ASUS that dont really understand it. Talk about confusing...

/end rant
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Seagate Barracuda 7200.12 1Tb - x2 RAID 0 Seagate Barracuda SATA3 2Tb Generic DVD writer Noctua NH-U12F 
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Windows 7 Pro x64 Lacie 22b HP USB Corsair AX850 
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post #280 of 6497
Just bought a 3820 and i havent over clocked a system for well over 8 years. I am not looking to get very crazy here, but would like to see where i could take it with a decent heat sync and some huge cooler master stock case fans.

My question is this. How hot is too hot on the 3820 at max load?
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