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Sandy Bridge E Overclocking Guide Walk through, Explanations, and Support for all X79 Overclockers - Page 3

post #21 of 397
Quote:
Originally Posted by Xterminator View Post

My VID seems to be really high when I set frequency to the turbo one. Is this caused by other settings or my chip just needs a higher voltage?
450

Its normal after you adjust the multiplier pass a certain point the vcore will set higher, normal 1155 sandy bridge also does this. Nothing to worry about.
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post #22 of 397
Thread Starter 
Quote:
Originally Posted by abeeftec View Post

Hey Sin...
This is a quote from your guide(Im still in the middle of reading it thumb.gif)
Quote
So those of you who think that increasing your PLL voltage will help with that setting, it really doesn’t. But with SBe I have found that increased CPU PLL can help stabilize higher frequency overclocks. That wasn’t the case with SB.
Get this... I was messing with the R4E and the first thing I tried once I ran all stock benchmarks with 1 then SLI and then TRI SLI, I left all three cards in to try and use Asus Preset Overclock profiles.
The first is Normal OC the second is Gamers third is Extreme low current and the last is Extreme high Current.
I first tried Normal OC which Blck is 125(No strap) with a Multi of 35. Voltage is a high 1.4 and Memory is 1.68v. I restarted and boot loops away! So I was trying to figure out what the heck was wrong because everyone who has this board claims that all the overclocking settings work well and no one has claimed an issue with them. Well OF COURSE I had an issue!
So looking through all of the settings I thought it was possibly the memory but it was not. Then I looked at PLL and noticed the profile had it set at 1.35v from 1.8v it normally runs at.
So I set the voltage at its normal 1.8v and Booted right up!
So, What I am wondering is what are you refering to when you say "That settings?" Are you refering to going over its normal 1.8v? Or something else? Because clearly in this case it worked but obviously it was lowered by Asus so techically I just reset it where it should have been. I am trying to figure out why they would lower it on a template style Profile designed to basically work with any CPU? In all my recent overclocking from even X58 onward I have never lowered the PLL from 1.8v. Always raised it.I have heard of people lowering it for decent results but I have never had a CPU where lower did anything positive and on X58 raising it did have advantages in some regard. Even on one of my 2600ks raising it to 1.22 actually helped my 5.1ghz overclock stabilize. Let me make clear though that on MOST of the chips I have clocked(out of about 200 this year)it made no difference at all.
Hey that 125blck does have a strap, you are talking about the R4E. The R4E will pick a strap for you, so you set like 145blck it will pick 1.25x116 or 86x1.67, neither will work but it is just there to simplify things.

Yea to be really honest with you a lot of overclockers set CPU PLL Voltage extremely low, like 1.3v to help with OC. I heard from a friend, a very good OCer that he sets it that low on all his systems, but with SBe he thinks its screwed up his CPU. Just leave it at stock, raise it for stability, or lower it for better temps. It has a decent impact on temps, and that is why people lower it.

BTW when i say that setting, i was referring to CPU PLL Overvoltage. A lot of people think it has something to do with the CPU PLL Votlage, it does, but you can't impact its overall effectiveness, unless of course it doesn't function correctly like on the board in the link i gave. On ASUS and GB boards it works, it helps only above 4.9ghz, and it has some impact.
Quote:
Originally Posted by Xterminator View Post

My VID seems to be really high when I set frequency to the turbo one. Is this caused by other settings or my chip just needs a higher voltage?
450
Correct, SVID is happening, its the CPu picking the best Vcore for the max turbo bin. its CPu dependent.
Quote:
Originally Posted by kevink82 View Post

Its normal after you adjust the multiplier pass a certain point the vcore will set higher, normal 1155 sandy bridge also does this. Nothing to worry about.
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post #23 of 397
Quote:
Originally Posted by Sin0822 View Post

Hey that 125blck does have a strap, you are talking about the R4E. The R4E will pick a strap for you, so you set like 145blck it will pick 1.25x116 or 86x1.67, neither will work but it is just there to simplify things.

I need to get this straight because if this is the case then the Blck means very little in this instance for performance yet possibly could hurt performance..

Underneath of the Blck frequency in R4E is the CPU strap. I am assuming that the CPU Strap is the BClk Divider. In Asus Normal OC profile it auto sets up the Blck Frequency to 125.00<--- Something like that. and the Multi at X35 for a clock speed of 4.375. The CPU strap is on Auto.

Using that Equasion can you tell me what it would set this to so I have an idea of what is actually going on with this board? I am fairly sure that if I set it to 126 it crashes. But thinking back to how Asus boards work I didnt set the mem timings so that could be the reason it crashed! I cant believe Asus doesnt allow you to just leave the ram timings on auto when overclocking! So annoying! LOL
Gigabyte here i come! AGAIN!

Anyway, If this is true and it is setting an actual LOWER Blck in this instance then that may explain why the higher overclock scored no more points on 3Dmark11?
Maybe it is that the virtual Blck means nothing for Graphic performance when raised yet perhaps it harms performance if this is auto picking a strap and lowering the actual Bclk? I think too much!
Edited by abeeftec - 12/24/11 at 9:04pm
post #24 of 397
Thread Starter 
well it would be 1.25 x 100.00 so performance shouldn't be altered by any means, it should be the same.

But yea I saw your different scores, it is a bit weird, but it could just be a bug with that bench and SBe.

The R4E wont let you OC the memory without setting the timings? Did you try setting 126blck itself?
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post #25 of 397
Quote:
Originally Posted by Sin0822 View Post

well it would be 1.25 x 100.00 so performance shouldn't be altered by any means, it should be the same.
But yea I saw your different scores, it is a bit weird, but it could just be a bug with that bench and SBe.
The R4E wont let you OC the memory without setting the timings? Did you try setting 126blck itself?

see thats what I am not understanding. So what you are saying in essence is that no matter which you set, the strap or the Blck Freq it will resort to 1.25x100 instead of 1.00x125? Because as I said, The Blck is whats set, not the strap..

Ram..

I didnt. I was a bit discouraged when I tried a few times and it kept starting to boot and then would loop. I stopped trying and then after I stopped I realized I hadnt set the memory timings.

Something I never have to do with Gigabyte boards. You dont have to worry about memory when you are focusing on the CPU with GiG boards.
I have noticed all Asus boards do this. I remember when we were selling CPUs. The guys would call us for overclock settings and we would give them the settings and they wouldnt boot. We had to add put in your manufacturers memory timings into the template instructions
So after troubleshooting we found that if the timings on memory are not set, Left to auto while overclocking the board is unstable. Its like if the memory is on auto with a CPU at stock speed the mem runs at 11-11-11 timings. If you set any kind of overclock over 4Ghz the memory causes it not to boot. The stupid thing is its like it cant remember the loose 11 timings! But if you go in and tighten them up to 9-9-9-24 then it boots! Stupid but that is what I remembered about Asus boards from X58 so I reloaded my OC normal profile and set the timings and it booted right up.
I just didnt try the higher memory speed again to know if it was just that or not.
Edited by abeeftec - 12/24/11 at 9:37pm
post #26 of 397
Wow.... the amount of info in this guide....just wow.
 
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post #27 of 397
How do you know all this stuff?

Glad you're taking the time to pass on your wisdom Sin!thumb.gif
    
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post #28 of 397
Quote:
Originally Posted by abeeftec View Post

see thats what I am not understanding. So what you are saying in essence is that no matter which you set, the strap or the Blck Freq it will resort to 1.25x100 instead of 1.00x125? Because as I said, The Blck is whats set, not the strap..
Ram..
I didnt. I was a bit discouraged when I tried a few times and it kept starting to boot and then would loop. I stopped trying and then after I stopped I realized I hadnt set the memory timings.
Something I never have to do with Gigabyte boards. You dont have to worry about memory when you are focusing on the CPU with GiG boards.
I have noticed all Asus boards do this. I remember when we were selling CPUs. The guys would call us for overclock settings and we would give them the settings and they wouldnt boot. We had to add put in your manufacturers memory timings into the template instructions
So after troubleshooting we found that if the timings on memory are not set, Left to auto while overclocking the board is unstable. Its like if the memory is on auto with a CPU at stock speed the mem runs at 11-11-11 timings. If you set any kind of overclock over 4Ghz the memory causes it not to boot. The stupid thing is its like it cant remember the loose 11 timings! But if you go in and tighten them up to 9-9-9-24 then it boots! Stupid but that is what I remembered about Asus boards from X58 so I reloaded my OC normal profile and set the timings and it booted right up.
I just didnt try the higher memory speed again to know if it was just that or not.

I think you are thinking it the wrong way the sandy bridge architecture is different, in socket 1155 remember you can only move the blck freq by a little. Well it is the same case here the strap is the only difference since there is 1.25 and other setting, if you have a look at the asus rog youtube video JJ did mention that even if you set the strap to other than 1.0 it might boot it might not and you can only raise the blck to somewhere 3+ of the original setting in normal cases.

Just leave it at 1.0x the only reason to use it imo is if you have ram that is rated at 2000 1.25x will have that and thats only if it runs stable.
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post #29 of 397
Thread Starter 
Quote:
Originally Posted by abeeftec View Post

see thats what I am not understanding. So what you are saying in essence is that no matter which you set, the strap or the Blck Freq it will resort to 1.25x100 instead of 1.00x125? Because as I said, The Blck is whats set, not the strap..
Ram..
I didnt. I was a bit discouraged when I tried a few times and it kept starting to boot and then would loop. I stopped trying and then after I stopped I realized I hadnt set the memory timings.
Something I never have to do with Gigabyte boards. You dont have to worry about memory when you are focusing on the CPU with GiG boards.
I have noticed all Asus boards do this. I remember when we were selling CPUs. The guys would call us for overclock settings and we would give them the settings and they wouldnt boot. We had to add put in your manufacturers memory timings into the template instructions
So after troubleshooting we found that if the timings on memory are not set, Left to auto while overclocking the board is unstable. Its like if the memory is on auto with a CPU at stock speed the mem runs at 11-11-11 timings. If you set any kind of overclock over 4Ghz the memory causes it not to boot. The stupid thing is its like it cant remember the loose 11 timings! But if you go in and tighten them up to 9-9-9-24 then it boots! Stupid but that is what I remembered about Asus boards from X58 so I reloaded my OC normal profile and set the timings and it booted right up.
I just didnt try the higher memory speed again to know if it was just that or not.
Why not try the preset memory options? or set 11-11-11? i know you don't have to worry abouit this with GB, but the ASUS has nice profiles if you know hat type of memory you have(in sitself is a bithard to know). I think ASUS just added a lot o settings in there to make their board only for top overclockers. That is a trend we are seing though, the Digital PWm settings are all optimized on analog PWMs, but on Digital it seems like too much for nortmal users.
Quote:
Originally Posted by Lord Xeb View Post

Wow.... the amount of info in this guide....just wow.
Thanks man, i hope you found some of it useful.
Quote:
Originally Posted by MrTOOSHORT View Post

How do you know all this stuff?
Glad you're taking the time to pass on your wisdom Sin!thumb.gif
Thanks. I read, i mess with the platform, I create a problem and try to solve it, I ask questions and go to find the answers. I have also been testing this platform a bit before release, so it has given me enough headaches to learn a lot about it.
Quote:
Originally Posted by kevink82 View Post

I think you are thinking it the wrong way the sandy bridge architecture is different, in socket 1155 remember you can only move the blck freq by a little. Well it is the same case here the strap is the only difference since there is 1.25 and other setting, if you have a look at the asus rog youtube video JJ did mention that even if you set the strap to other than 1.0 it might boot it might not and you can only raise the blck to somewhere 3+ of the original setting in normal cases.
Just leave it at 1.0x the only reason to use it imo is if you have ram that is rated at 2000 1.25x will have that and thats only if it runs stable.

Yea BLCK is hard to change once it is set in BIOS, it is also not fun to change while you are OCIng because it will reset the system.

But its only good use is that it allows the use of frequencies before not usable, and when you hit a wall you can also try BLCk instead of CPU or GPU multipliers. I have found no difference in max clock with either, i hear on the R4E it works better with BLCK, but then you see OCers on HWBoit not really use it much.
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post #30 of 397

Thank you for doing this. I am going to read this at the office and report some results. 

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