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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 474

post #4731 of 10702
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Quote:
Originally Posted by rdasch3 View Post
I am back again.

After getting a stable 4.5 I wanted to shoot for 4.7. My 4.5 has no adjustments to the pll voltage at all, nor did I keep the ram at 1333 to begin with. My 4.7 overclock is doing both of those.

I have my pll lowered to 1.68 right now. Each step lowers temps and keeps it stable a little longer than before. I am holding on this until this prove stable further.

Vcore just got upped to 1.36 and temps are looking nice for this clock. Are there any other settings I should mess with while working with this? is internall pll overvoltage necessary for this clock?

When I go to set my ram back up to 1600 at the end of my clocking, what is a safe vccio voltage?

Thanks again.
PLL voltage certainly can help with stability, so can vccio (VTT) however, vtt is a little tricky, you shouldn't need to increase the vccio more than 1.1v unless you are overclocking your RAM past it's rated spec. Mine are overclocked to 1866 and therefore require a small bump to 1.125v which is probably more than required, I could probably reduce mine.

Anyway max VCCIO is 1.2v, however like I mentioned above, I havn't really seen many go above 1.15v for 24/7 as it's usually not necessary.

I would recommend leaving the RAM at stock when you overclocking your CPU.

Have a little read about VCCIO and PLL voltage and lot more in the OP.

Hope that helps bud
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post #4732 of 10702
I am ok with setting my ram to 1600 while overclocking. The guide I was reading recommended setting it down to 1333 and then upping the vccio when finished. The pll voltage is the big setting here. I have my voltage up from 1.31 on 4.5 to 1.36 on 4.7. with the lowered pll voltage, temps reamain about the same but allow for the higher clock. Once I get the vcore stable for about 6 hours (i think it will be safe by then), I will lower it until I hit a nice spot, and then try lowering the vcore. Is that a safe plan to follow?

This pll voltage is making more of a difference in my overclock than I thought.
post #4733 of 10702
Thread Starter 
Quote:
Originally Posted by rdasch3 View Post
I am ok with setting my ram to 1600 while overclocking. The guide I was reading recommended setting it down to 1333 and then upping the vccio when finished. The pll voltage is the big setting here. I have my voltage up from 1.31 on 4.5 to 1.36 on 4.7. with the lowered pll voltage, temps reamain about the same but allow for the higher clock. Once I get the vcore stable for about 6 hours (i think it will be safe by then), I will lower it until I hit a nice spot, and then try lowering the vcore. Is that a safe plan to follow?

This pll voltage is making more of a difference in my overclock than I thought.
Sounds good And yes pll voltage can make a big difference to stability and overclocking, all the info is in the OP like I mentioned lol
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post #4734 of 10702
Now you can add me aswell, going to fine tune it later here but now i know i can go with 4.8 atleast (and i know my voltage is skyhigh for that clock, im going to fix that aswell)




Over and out!

<3
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post #4735 of 10702
Hey guys,

What kind of vCore is good at idle? My OC is currently at 4.5GHz with a vcore of 1.340V. But at idle when it throttles down to 1.6 GHz (I have C1E enabled), CPU-Z tells me that the vcore is 1.328V. That seems a little high for idle at 1.6GHz? If I turn on Speedstep, will it go down?
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post #4736 of 10702
The only way to lower your voltage at idle is to use offset voltage. It will instantly ramp up the vcore when it is needed and lower it when it is unnecessary.

You will have to disable C3/C6 though. It is also a little harder than fixed voltage OCing. But when you get it right it's worth it.
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post #4737 of 10702
Quote:
Originally Posted by Arpo View Post
Now you can add me aswell, going to fine tune it later here but now i know i can go with 4.8 atleast (and i know my voltage is skyhigh for that clock, im going to fix that aswell)



Over and out!

<3
Those temperatures are amazing for 1.49v, how loud is the the h100, cause id like better cooling but not at the cost of noise
    
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post #4738 of 10702
Those temps aren't that great. I'm working with someone right now with a 2500k and a Thermalright Venomous-X Black Edition. He's at 4.8ghz on air and temps are around 70-72c prime load. 1.475v.

So last night I finally started to mess around with Offset voltage instead on manual. I've found what my chip needs for 15hrs of prime blend. I passed with 1.392v under load for 5ghz. I set my offset to +.005v and ran stable for a half hour. That was giving me 1.400v. So then I tried with it on auto, and that gave me 1.648v under load. Then I tried -.005v and got a 124 as I was getting 1.380v. Is there a way to use +/- .000v so I get 1.392v under load??
Edited by Hambone07si - 10/18/11 at 9:57am
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post #4739 of 10702
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All depends on ambient temps, TIM application, and cooler seating
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post #4740 of 10702
Quote:
Originally Posted by Point Blank Rob View Post
Those temperatures are amazing for 1.49v, how loud is the the h100, cause id like better cooling but not at the cost of noise
It's not loud. I'm about to post up my stability stuff here shortly (11 hours into testing). I run my H100 on "performance" which is the medium setting. The fans run whisper quiet, and only ramp up when under full load and the temps creep up.

The highest setting is plenty audible, but it's still not the most obnoxious thing I've ever heard.

I never hit 70c with my testing in 11 hours on medium, and it's hot as hell in my computer room

(also, he may have his settings on low, those are temps I would typically running the h100 on lowest setting under load)
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