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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 609

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post #6081 of 9536
Quote:
Originally Posted by kennyparker1337 View Post

A new goody has been added to the "Required Programs" subsection.

Enjoy! thumb.gif

I just checked...and cant figure out which one was added...HWMonitor?
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post #6082 of 9536
Quote:
Originally Posted by spoonium View Post

Which value had you set, and what amount of Vcore did you see before, and under which circumstances? The various FFT sizes in Prime cause a variating amount of load of the CPU, and therefore especially with higher LLC Levels ("high" being defined as 5) you will see a higher Vdroop (= lower Vcore) with those FFT values that stress the CPU the most.

Started with offset @ +0.005v. and load line of 3 IIRC. Now -0.005v, LL 4. CPU-Z reported similar volts. 1.26-1.28

I have no idea what you mean by, "under which circumstances?".

I just ran Prime 95 with the settings on page 1 of this guide. Was pleased with my temps since I am only running my fans @ 5v.
Edited by MoInSTL - 4/30/13 at 6:20am
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post #6083 of 9536
Thread Starter 
Quote:
Originally Posted by inedenimadam View Post

Quote:
Originally Posted by kennyparker1337 View Post

A new goody has been added to the "Required Programs" subsection.

Enjoy! thumb.gif

I just checked...and cant figure out which one was added...HWMonitor?

Well the main point was all the programs were updated, but SSD Life Free and Crystal Disc Info were added.

So now you can keep track of CPU, GPU, SSD, HDD, and MOBO.

Another big point is it's completely portable.
Tote the folder around on a USB stick and use it on any computer with Win7/8 64bit. Some of them will work with 32bit but not all of them.
Edited by kennyparker1337 - 4/30/13 at 6:15am
post #6084 of 9536
Nice KennyParker. Glad to see the Guide is staying updated.


Oooo, portable? Cool beans.
Edited by MoInSTL - 4/30/13 at 6:24am
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post #6085 of 9536
Thread Starter 
Quote:
Originally Posted by MoInSTL View Post

Nice KennyParker. Glad to see the Guide is staying updated.


Oooo, portable? Cool beans.
post #6086 of 9536
OMG. That was funny.

Edit: Just downloaded and extracted to a USB 3 flash drive. Very nice.
Edited by MoInSTL - 4/30/13 at 6:39am
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post #6087 of 9536
Quote:
Originally Posted by hedgehogbrown View Post

So I tried lowering the PLL a little, but wanted to get some feedback on my settings and generally what other people would try because it seems like no matter what I try, the voltage and the frequency are bouncing around like crazy while stress testing, which doesn't seem right. If it's 100% stressed, shouldn't the voltage and freq be maxed out the whole time?
This seems to be another case of the motherboard throttling the CPU due to VRM overheating*. The cooling on the Pro4 is just as bad as on the Pro3, if not slightly worse.
If that's the case (and I'm pretty certain it is), your only way to stabilize your overclock would be tucking a fan on the heatspreader next to the socket, or at least pointing a fan in that direction. Although the former is much more effective. It doesn't even have to be huge fan, I'm using a 60mm slim one @7V.

* I'm propagating this so notoriously because it took me an awful lot of time to identify that issue for me, since the correlation isn't very obvious. As we can see here, others are just as confused by this as I have been.




Quote:
Originally Posted by Jpmboy View Post

okay - I didn't know that the P4 had those limitations. Really? only offset? no fixed (static) mode?
Yeah, the Pro3 doesn't have these options either.
And up to the latest beta BIOS revision (2.00B, not sure if that's publically available by now, it was sent to me by the Asrock support) it also has a "stealth" bug, that if you disable the Turbo Mode in the BIOS, the value that was last entered in "Additional Turbo Voltage" will still be added to the offset value, just as if Turbo Mode wasn't disabled at all.



Quote:
Originally Posted by MoInSTL View Post

I have no idea what you mean by, "under which circumstances?".

I just ran Prime 95 with the settings on page 1 of this guide. Was pleased with my temps since I am only running my fans @ 5v.
"Circumstances meaning with what programs and what settings you tested the Vcore (e.g. the FFT size Prime is running with).
You can set a fixed FFT size in Prime by entering the same value in "Min FFT size (in K)" and "Max FFT size (in K)". This way the Vcore won't fluctuate due to different stress levels on the CPU, and finding out the actual Vcore under load is so much easier.
I recommend using 864k or 1792k to determine the Vcore. Although in the end the most important thing is simply that you just use one FFT value to compare the Vcore across different Offset values.

E.g. don't test your Vcore with -0.005v offset with one FFT size and -0.005 with a completely different one; the resulting Vcore values can differ between those two FFT sizes. And even if you're using the same FFT size, the Vcore display can fluctuate by up to 0.016v, so a change of 0.010v in the offset might not always be immedietely visible. It's possible that it'll just fluctuate differently, i.e. more towards the higher limit.

The motherboard can only provide the Vcore readings in intervals of 0.008v, so if the true value lies somewhere in between you have that fluctuation (note: this may be different for fixed Vcore values. My Pro3 doesn't have that (see above), so I can only speak for using the offset settings). If you want to know your exact Vcore, you're going to have to use a digital multimeter and attach it directly to the readout points on the motherboard. It doesn't fluctuate (much) there.
Edited by spoonium - 4/30/13 at 7:12am
post #6088 of 9536
Quote:
Originally Posted by MoInSTL View Post

Started with offset @ +0.005v. and load line of 3 IIRC. Now -0.005v, LL 4. CPU-Z reported similar volts. 1.26-1.28

I have no idea what you mean by, "under which circumstances?".

I just ran Prime 95 with the settings on page 1 of this guide. Was pleased with my temps since I am only running my fans @ 5v.

How long did you run custom blend for? What temps did you get?
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post #6089 of 9536
Maybe one of you guys can shed some light.... when exactly should I set my RAM to it's rated specs?


I have F3-17000CL9D from G.Skill (2 4GB chips in slot A2 and B2) and ASRock Z77 Extreme 6 motherboard (i7 3770K).. setting the RAM timings to what it's rated at in BIOS gives me immediate errors when running Prime95 after a few seconds. This happens w/ and w/o OC. Any help would be greatly appreciated.

Thanks,
Edited by ThaGeNeCySt - 4/30/13 at 12:11pm
post #6090 of 9536
Quote:
Originally Posted by ThaGeNeCySt View Post

Maybe one of you guys can shed some light.... when exactly should I set my RAM to it's rated specs?


I have F3-17000CL9D from G.Skill (2 4GB chips in slot A2 and B2) and ASRock Z77 Extreme 6 motherboard (i7 3770K).. setting the RAM timings to what it's rated at in BIOS gives me immediate errors when running Prime95 after a few seconds. This happens w/ and w/o OC. Any help would be greatly appreciated.

Thanks,

You load the XMP for the rated speed, yes? Verify that the specs load properly, and set the dram V manaully to the spec. Then repost with memtest86+ as the boot device and run it for several passes. Those gskill should run perfect, if they throw any errors, get them replaced.
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