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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 606

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post #6051 of 9531
Quote:
Originally Posted by Lucky 23 View Post

Take your RAM voltage off auto and set it to 1.6v
Hm, I'd rather set it to 1.5 and worry about RAM performance later. 2133MHz RAM doesn't always run flawlessly, so I'd stick with the 1600 profile for now and maybe check out higher clocks once the CPU is stable.
So set your DRAM Voltage to 1.5, and your DRAM Frequency to 1600 (it's currently running at 1333). I'd also go into the DRAM configuration and set the first 4 values to the ones you see in the XMP profile (i.e. 9, 9, 9 and 27 instead of Auto).

Quote:
Originally Posted by Lucky 23 View Post

Take LLC off auto and set it to Level 3
I think the Pro4 works just like the Pro3 and doesn't have Level settings, but only 0%, 50% and 100%, where 0% means full LLC and 100% disabled LLC (how logical...). Personally I'd stick with 100%, but you may set it to 50%, although I've had worse results with that one.

Quote:
Originally Posted by Lucky 23 View Post

Post you CPU-z idle vcore w/ a 16 multi. Post your average CPU-z full load vcore after running P95 for 2-5 minutes. We can give you advice once you post this info
I'm not actually sure what good the 16x idle voltage will do (much more interesting would be the idle voltage with disabled SpeedStep and C-States), but the Vcore under load is absolutely mandatory. Preferably with an FFT size of 864k or 1792k, which generally produces the most amount of Vdroop and stress for the CPU.


Oh, and you should keep a good eye on that temps. 45C in the BIOS with 4100 doesn't look too promising.
Edited by spoonium - 4/27/13 at 1:53pm
post #6052 of 9531
Quote:
Originally Posted by spoonium View Post

Hm, I'd rather set it to 1.5 and worry about RAM performance later. 2133MHz RAM doesn't always run flawlessly, so I'd stick with the 1600 profile for now and maybe check out higher clocks once the CPU is stable.
So set your DRAM Voltage to 1.5, and your DRAM Frequency to 1600 (it's currently running at 1333). I'd also go into the DRAM configuration and set the first 4 values to the ones you see in the XMP profile (i.e. 9, 9, 9 and 27 instead of Auto).

Yea but he will be running custom blend so might as well have his ram where is supposed to be. If it starts causing problems then he can change the speed. His rams stock voltage is 1.6v which is why i suggested that.

Quote:
Originally Posted by spoonium View Post

I think the Pro4 works just like the Pro3 and doesn't have Level settings, but only 0%, 50% and 100%, where 0% means full LLC and 100% disabled LLC (how logical...). Personally I'd stick with 100%, but you may set it to 50%, although I've had worse results with that one.

Well then set it at 50%
Quote:
Originally Posted by spoonium View Post

I'm not actually sure what good the 16x idle voltage will do (much more interesting would be the idle voltage with disabled SpeedStep and C-States), but the Vcore under load is absolutely mandatory. Preferably with an FFT size of 864k or 1792k, which generally produces the most amount of Vdroop and stress for the CPU.

Its actually pretty important. Since we have both offset and turbo you able to have the best of both worlds, a very low idle and a stable full load.

He should find a good idle vcore first and then leave offset alone and start upping turbo. For example some people are running say 1.016v or higher at idle. Why?? when you can run easily some where around 0.950-1.00v. possibly even lower with Ivy. This is why i want to know what his idle is with a +0.005 because if it places the idle too high then he can easily drop it before running p95.

Overall your overclock will be more look more fine tuned and possibly have slightly lower idle temps

As is im running a -0.010 offset that puts me at a 0.978v idle vcore which is slightly higher then stock. If the idle vcore is too high its a simple fix then you can start finding you stable full load vcore.
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post #6053 of 9531
The gains from a lower Vcore in idle is pretty minimal, maybe you'll see a difference of 2-4 watt in total. I don't see how that is of any importance, let alone "pretty important".
It's something you can fine tune once your overclock under load is stable. But I see no reason why we would need to know that.

Also, his RAM isn't necessarily supposed to run at 2133MHz. It has different profiles, one of them is 2133@1.65v and the other 1600@1.5v. Running the RAM with 2133MHz actually puts quite some stress on the IMC, especially while overclocking the CPU at the same time, and this could lead to potential instability issues too, so I'd concentrate on finding a stable base for the CPU first before worrying about the RAM.
Of course I'm not trying to tell him he can and cannot do, just trying to give some advice that will help him establish a base overclock without running into possible pitfalls.
post #6054 of 9531
Quote:
Originally Posted by spoonium View Post

The gains from a lower Vcore in idle is pretty minimal, maybe you'll see a difference of 2-4 watt in total. I don't see how that is of any importance, let alone "pretty important".
It's something you can fine tune once your overclock under load is stable. But I see no reason why we would need to know that.

Also, his RAM isn't necessarily supposed to run at 2133MHz. It has different profiles, one of them is 2133@1.65v and the other 1600@1.5v. Running the RAM with 2133MHz actually puts quite some stress on the IMC, especially while overclocking the CPU at the same time, and this could lead to potential instability issues too, so I'd concentrate on finding a stable base for the CPU first before worrying about the RAM.
Of course I'm not trying to tell him he can and cannot do, just trying to give some advice that will help him establish a base overclock without running into possible pitfalls.

No its not because you will be dropping your offset to decrease your idle which means you will have to retest you setting with the higher turbo then what the previous turbo was set at. Sure you can guess and get you full load close to what it was with the previous offset + turbo but you should really retest. So its best to just do it the right way the first time since it will save time.

Also since hes just starting and doesn’t have a stable OC yet he could easily set up his idle before beginning on full load. It shouldn’t take him more then 5 minutes.

He paid the extra money for 2133mhz so set it at the correct mhz and Ram voltage and run it on custom blend. Lets see if it causes problems if it does he can always adjust it. What if he get a stable OC with it at 1600 but then its unstable when switched to 2133? Then he just wasted money for 2133 because he wont be able to run it at that speed with the current OC. Also the point of custom blend is to put stress on the IMC.
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post #6055 of 9531
I still don't see how him telling us his Vcore in idle will help us in any with the overclock. It either works or it doesn't, but the exact value at which it's stable is just as individual as the Vcore required under load.
So it might be interesting from a statistical point of view, but to help him gain a stable overclock it won't help much.

Not going to argue about this though, it won't hurt providing that voltage, and we agree about the important thing, e.g. the Vcore under load (and the temps I suppose in his case).
post #6056 of 9531
Thanks for all the advice! I've got a stable 4.4 GHz (at least for 15 min) with additional turbo voltage +.09v and around 1.35v from what Core Temp says and 1.288v from CPU-Z . Vcore temp is at +0.005v . 4.5 GHz hits the maximum temp it seems. I will stress it more as soon as I can.

RAM is at 2133 MHz 1.60v as per XMP profile, but I did manual set the base RAM to 133 MHz and DDR-2133 .

@spoonium , @Lucky 23: LLC is 0%, 50% or 100%. Set to 50%

@Lucky 23: The four power limits( long duration, short duration, current limit) cannot be changed, the only thing that I can change is the Long Duration Maintained which is between 1-56 seconds.

I've added idle temps at 16x and CPU-z full load voltage.

I also have a question: I've tried CPU-Z and Core Temp, but they are showing me different voltages. Also, Core Temp and SpeedFan show different temperatures. Which one of this programs is more accurate for temp and / or voltage ?


Edited by Ketadine - 4/27/13 at 3:22pm
post #6057 of 9531
On the power limits just select the space that says "auto". Type in the limit you wish and press enter. It should accept the values then.
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post #6058 of 9531
Quote:
Originally Posted by Ketadine View Post

Thanks for all the advice! I've got a stable 4.4 GHz (at least for 15 min) with additional turbo voltage +.09v and around 1.35v from what Core Temp says and 1.288v from CPU-Z . Vcore temp is at +0.005v . I will stress it more as soon as I can.

RAM is at 2133 MHz 1.60v as per XMP profile, but I did manual set the base RAM to 133 MHz and DDR-2133 .

@spoonium , @Lucky 23: LLC is 0%, 50% or 100%. Set to 50%

@Lucky 23: The four power limits( long duration, short duration, current limit) cannot be changed, the only thing that I can change is the Long Duration Maintained which is between 1-56 seconds.

I've added idle temps at 16x and CPU-z full load voltage.

I also have a question: I've tried CPU-Z and Core Temp, but they are showing me different voltages. Also, Core Temp and SpeedFan show different temperatures. Which one of this programs is more accurate for temp and / or voltage ?


Awesome you idle is a .920v which is a really good idle vcore but your full load at 4.4 and 4.5 seems high. Whether you go for 4.4 or 4.5ghz you will probably have to drop your offset into the negatives. There is no other way to bring your full load vcore down since your at the lowest positive offset (+0.005).

This will give you a rough idea of what vcore other ivy bridge members are using with their OC.
http://www.overclock.net/t/1247869/official-the-ivy-bridge-stable-suicide-club-guides-voltages-temps-bios-templates-inc-spreadsheet

IIRC most people were getting a 45 multi stable around 1.25v or so

EDIT:
TEMPS are way too high, bring you vcore down. Most recommend keeping it under 90c. The fan on your heatsink is a PWM fan. Make sure you go into bios and increase it to its max speed before you run a stress test
Edited by Lucky 23 - 4/27/13 at 4:01pm
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post #6059 of 9531
Quote:
Originally Posted by spoonium View Post

I still don't see how him telling us his Vcore in idle will help us in any with the overclock. It either works or it doesn't, but the exact value at which it's stable is just as individual as the Vcore required under load.
So it might be interesting from a statistical point of view, but to help him gain a stable overclock it won't help much.

Not going to argue about this though, it won't hurt providing that voltage, and we agree about the important thing, e.g. the Vcore under load (and the temps I suppose in his case).

Some times a +0.005 yields too high of idle vcore as compared to what the cpu runs at stock. You can easily fix this by dropping your offset into the negatives. Then you just increase your turbo to find a stable full load. In his case its was actually lower then what i expected.

The point is not to help gain a stable OC. The point is that you can use both offset and turbo to your advantage(really low idle and stable full load). Depending on how much time you want to spend you could test to see if your CPU can remain stable with a lower idle vcore then stock or possibly lower then what a +0.005 offset gives you. Then once you find that lowest stable idle vcore you can leave offset as is and just increase turbo in order to get your full load stable (as long as you have enough turbo voltage since there is only so much you can add to the current offset)

One member on here i was helping had his ivy stable at 4.2ghz with an idle vcore of .80v or .81v. You wouldn’t know your cpu could idle at that low of vcore unless you tested it.

Also some boards like Asus(iirc) dont have addition turbo voltage in their bios only offset. So when OCing with offset only you have no control of what your CPU idles at because you have to keep increasing offset until you find a stable full load. What ever idle vcore that offset gives you is what your stuck with
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Gskill RipJaws X 16GB 1600mhz Seagate 2TB Seagate 320GB ASUS Burner 
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Cooler Master Eisberg 240L + 120mm Rad Koolance 3/8 x 1/2 Compression Fittings PrimoChill Advanced LRT Windows 7  
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Ubuntu 12.04 ASUS 24" Cooler Master Quickfire TK  Cooler Master V1000 
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Cooler Master HAF 932 Black Edition Cooler Master Havoc 
CPUGraphicsRAMHard Drive
i5-3210M  Intel HD Graphics 4000 Gskill 16GB 1600mhz  Crucial MX200 256GB 
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Seagate 320GB Ubuntu 16.04 Windows 10 1600x900 
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post #6060 of 9531
Quote:
Originally Posted by Ketadine View Post

Thanks for all the advice! I've got a stable 4.4 GHz (at least for 15 min) with additional turbo voltage +.09v and around 1.35v from what Core Temp says and 1.288v from CPU-Z . Vcore temp is at +0.005v . 4.5 GHz hits the maximum temp it seems. I will stress it more as soon as I can.

RAM is at 2133 MHz 1.60v as per XMP profile, but I did manual set the base RAM to 133 MHz and DDR-2133 .

@spoonium , @Lucky 23: LLC is 0%, 50% or 100%. Set to 50%

@Lucky 23: The four power limits( long duration, short duration, current limit) cannot be changed, the only thing that I can change is the Long Duration Maintained which is between 1-56 seconds.

I've added idle temps at 16x and CPU-z full load voltage.

I also have a question: I've tried CPU-Z and Core Temp, but they are showing me different voltages. Also, Core Temp and SpeedFan show different temperatures. Which one of this programs is more accurate for temp and / or voltage ?

CPU-Z is reporting the actual vcore while Core Temp is reporting the VID (basically what the CPU is requesting) Me personally, if the choice is Core Temp vs Speed Fan I would rely on Core Temp to monitor temps.
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