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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 511

post #5101 of 10702
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Quote:
Originally Posted by SmilingPolitely View Post
Here's my submission. Only managed to get 4.6 stable after a whole bunch of reading here, so thanks for the help.

I was using offset voltage but was running into crashes on less than full loads with 75% LLC, even after 12 hours of Prime. I suspect my idle voltage was too low, so dropping to 50% LLC and upping the offset to compensate did the trick. Stable as a rock for over 19 hours. Haven't run into any more idle crashes either. Ultra high or extreme LLC does not play well with offset voltage in my experience.

Edit: Forgot to mention, I'm using a Silver Arrow.
Thanks bud, I'll add it later on when I'm home. Could you please go here and fill in your system spec. http://www.overclock.net/usercp.php

Also what ram speed and amount was used during that Prime95 run?




Quote:
Originally Posted by DerComissar View Post

I hope it's only something minor, not the chip or mobo.
Seems so unlikely that it would be the 2500K, as for the M4E, it happens.
I've been checking the Newegg site for sales on both versions of the M4E regularly, (possible xmas gift for myself) and I find the amount of doa and defective boards a bit disturbing. But, I know that for every bad board reported, there are many more good ones, so hopefully yours will prove to be ok.
Yeah I know, my luck isn;t that great. Out 50 or so motherboard ordered in the last 7/8 months 6/7 of them were DOA so it's understandable, however it seems that it could be my chip that may have died before I started to take my rig apart, so I'm going to test that out tomorrow, hopefully all is well with my golden baby lol

Thanks for the support, appreciate it.
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post #5102 of 10702
Munaim you should frame that chip you have if its toasted. A nice frame with a little brass nameplate with the OC and voltage on it!

PS - Did anyone not receive thread subscription emails today or was it only me? I am just getting them now.
post #5103 of 10702
Quote:
Originally Posted by munaim1 View Post
Thanks bud, I'll add it later on when I'm home. Could you please go here and fill in your system spec. http://www.overclock.net/usercp.php

Also what ram speed and amount was used during that Prime95 run?
Ah, silly me. I just noticed both my CPU-Z windows are showing the same thing.

My ram: Patriot Viper Xtreme 8GB 2X4GB DDR3 1866MHZ PC3-15000 9-11-9-27 1.65V

Was running at stock speeds.
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post #5104 of 10702
I was playing around today, takes me about 1.48v to get to 5.0GHz stable and temps are 75=/
post #5105 of 10702
Quote:
Originally Posted by McLaren_F1 View Post
I was playing around today, takes me about 1.48v to get to 5.0GHz stable and temps are 75=/
if thats during few hours of prime then should be fine if your happy with high 60s when gaming as nothing will stress the CPU as much as prime or IBT. also depends on if you are happy with that voltage. Its under the 1.5v limit however but personally I would not want to go over 1.45.
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post #5106 of 10702
Is it recommended to use PrimeNet with Prime95?
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post #5107 of 10702
Quote:
Originally Posted by kevindd992002 View Post
Well, I'm curious on how Vdrop and VDroop works as "protection" to the system that's why I was asking. If I set VCore to the max "safe" voltage that I want to, I don't want the system to go over that value in any instance (whether at idle or at load).
With low quality, previous-generation motherboards that have a Load-Line Calibration option in the BIOS and if it is actually used, then dangerous micro voltage spikes occur (spikes which software cannot detect or show). The components on such motherboards (the components on its PCB) are incapable of properly protecting the CPU from these spikes. An example of a previous generation motherboard that easily protects the CPU from such spikes is the EP45-UD3 series. I had the EP45-UD3P. I also had the EVGA 680i SLI which did not have any option in the BIOS to reduce vDroop (nvidia called it "Vdroop Control" in nForce 700 series boards). So I performed the famous "pencil vDroop mod" which I was later told is not safe because the components on this motherboard are not able to fully protect the CPU from the dangerous micro voltage spikes even though this was a top-of-the-line board in that day. Therefore, I literally erased the pencil vDroop mod the same moment I learned this. I mean, I literally learned it, shut down, erased it, turned my system back on, adjusted my core voltage to compensate, and then I went back to the thread and said "Whoa, thank you. I just erased my pencil vdroop mod".

Fortunately, our motherboards effortlessly protect the CPU. So therefore, there is absolutely nothing to worry about. I guarantee it and I promise it. This is why I am recommending that my fellow P8P67/P8Z68 owners use LLC.


Quote:
Originally Posted by kevindd992002 View Post
Any reason why in my observations, Ultra High produced higher voltages than Extreme? Also in your system, why did Ultra High produced lower idle voltages than High when it is supposed to do vice versa?
I don't know, but it's actually nothing to worry about. Plus, every system is unique...


Quote:
Originally Posted by kevindd992002 View Post
If I use Offset, we eliminate the phenomenon of VDroop, right? Because the idle voltage will drop totally to a lower value.
No, it's not eliminated. To see what mean, use different Load-Line Calibration settings while using Offset. As we know, the different Load-Line Calibration settings affect the amount of vDroop.

VDrop is different. VDrop is simply the idle voltage as displayed by software such as CPU-Z when using a Manual voltage. When using Offset, vDrop kind of gets "hidden" even though it's technically still there.

VDroop is the full-load voltage as displayed by software such as CPU-Z. When using a Manual voltage, this is the voltage which droops down from the idle voltage. When using Offset, it's the same but like I said the vDrop voltage is kind of hidden from us.


Quote:
Originally Posted by kevindd992002 View Post
I thought Spread Spectrum should be disabled ONLY when changing the BCLK frequency from the default 100MHz?
For some reason, some motherboards cannot achieve a BCLK of exactly 100.0 MHz. This usually happens with Z68 boards, but apparently it also happens with some P67 boards. Fortunately, disabling CPU Spread Spectrum clears this right up.
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post #5108 of 10702
PrimeNet?
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post #5109 of 10702
Quote:
Originally Posted by TwoCables View Post
No, it's not eliminated. To see what mean, use different Load-Line Calibration settings while using Offset. As we know, the different Load-Line Calibration settings affect the amount of vDroop.

VDrop is different. VDrop is simply the idle voltage as displayed by software such as CPU-Z when using a Manual voltage. When using Offset, vDrop kind of gets "hidden" even though it's technically still there.

VDroop is the full-load voltage as displayed by software such as CPU-Z. When using a Manual voltage, this is the voltage which droops down from the idle voltage. When using Offset, it's the same but like I said the vDrop voltage is kind of hidden from us.
Ok. I was confused earlier because all the while I thought that VDrop and VDroop are "technically" the differences between two voltage values. This is the reason why I concluded that VDroop is eliminated when using Offset because the "difference" between load and idle voltage is so big that it can't be considered a small change (originally what VDroop is all about). But I think this situation is similar to VDrop being "hidden" from us since the VCore is dynamically adjusted by the system when using Offset.

Quote:
Originally Posted by TwoCables View Post
For some reason, some motherboards cannot achieve a BCLK of exactly 100.0 MHz. This usually happens with Z68 boards, but apparently it also happens with some P67 boards. Fortunately, disabling CPU Spread Spectrum clears this right up.
I swear that I saw my BCLK frequency hover by a bit in CPU-Z but I'm not sure if it does it all the time, I have to check. In this case, it is better to disable Spread Spectrum? What disadvantage do I get by doing that?
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post #5110 of 10702
Just a question on idle voltages and clocks, guys:

What would be a safe range to aim for to prevent an idle B.S.O.D/lock-up? That's my concern right now, I think I'm okay with attaining a safe overclock. However, right now I'm watching my CPU-Z and my idle voltage @ 1600MHz is fluctuating between 0.976V and 1.048V! Is this something I should be concerned with? I guess my question is, what's the lowest voltage that can maintain the 1600MHz that's set by SpeedStep?
    
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