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OC question on Asus z87 pro

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October 17, 2013 3:25:52 PM

I just got my desktop about 1 month ago. The mobo and CPU is Asus z87 pro and i5-4670k.

It is my first build and I don't have OC experience at all, so I just turned on the TPU and EPU switch and let the Asus AISuilt 3 to 'automatic' config the system for me (to avoid break something by OC it manually).

The Asus aisuit runs fine first time several weeks ago, it set up the CPU with 2 core to 4.2 and two core to 4.3 after one blue screen during the configuration.

But when I run it again yesterday, it set the CPU to 4.4 and then I got endless blue screen in Windows. So I have to reload the bios back to default and reset those cores from 4.4GHz to 'auto' and things works fine again.

Is that Asus suit a reliable tool or am I do anything wrong? Anyone use that AISUIT before?

Or should I just set everything 'auto' in the BIOS and get rid of this tool?

The aisuit shows my CPU runs about 4.2 in average(different frequency on 4 cores) after the bios reset, but I am still worried about its reliability.

what would be the best way to do for Asus Z87 pro?






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October 17, 2013 3:33:45 PM

are you running the newest 1405 bios and is xmp profile turned on for your ram??
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October 17, 2013 3:41:24 PM

The preferred way is to use the BIOS.

Some tips if you want:

As I say to everyone overclocking, take it slowly. Overclocking takes time. I spent a solid 12 hours working on my pc over the course of 2 weeks. Eventually you will learn how your CPU works and functions according to different settings. It is like meeting someone new. You don't really know who they are until you have spent some time with them, so take your time.

There are lots of ways people OC their CPUs. One way is to apply a medium level voltage and lesser OC (multiplier) to find thermal limits, test the temps, then see how far your multiplier and base clock will go.

The other way is to push both up slowly at the same time. This is what I did at first.

My other method of OCing is to push the multiplier as far as I can on auto voltages. Then, once I find the limit (either temps or vcore too high for my liking), I will fine tune the voltages manually. This I found was more successful, as I easily found the best vcore for my OC.

There are tonnes of guides to check out, so read up! You might find info in one that isn't in the other which could help you out.

There are also things to look out for. You may encounter what is called a voltage wall. The is a strange block in which your CPU frequency will not be stable past a certain point, unless applying a large voltage increase. This can be frustating for some, as it causes heat issues. My CPUs voltage wall is at 1.32V on my 3570K.

Also, you may be able to test a setting and be stable, but the actual performance is lower than what you would expect. This is due to the CPU making error corrections. This is caused by a too little voltage to run perfectly, but not enough to be 100% accurate. (Or something like that, I'm not entirely sure.)

Before I finish, basic things to remember:

-Take it slow.
-Record your changes on paper.
-Set yourself a low goal to begin with. Then aim higher when your more confident and understand your system and settings better.
-Ask for more help if needed.
-Check other peoples results to see what your CPU could be capable of and what to expect.
-Read up on others experiences to see how they went about OCing.

Hope this helps.
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October 17, 2013 3:42:49 PM

smorizio said:
are you running the newest 1405 bios and is xmp profile turned on for your ram??


Not sure what that is, so probably not.

How can I know the bios version number? and how to update it?
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October 17, 2013 4:08:52 PM

djb0646 said:




Is that Asus suit a reliable tool or am I do anything wrong? Anyone use that AISUIT before?

Or should I just set everything 'auto' in the BIOS and get rid of this tool?



what would be the best way to do for Asus Z87 pro?








Overclock in the BIOS.You didn't do anything wrong but;There's a better way :) 
lemme see heanh..find you a guide..
http://www.youtube.com/watch?v=Z7zPu9255ZI JJ pretty good :) 

..and it IS good to save profiles when you find something that works. ;) 

The only relevance to AIsuite is if you're going for max overclocks in Windows;and 95% or better of the people that do would use ROG connect instead.

annd..I gotta do it..

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October 17, 2013 7:44:04 PM

update to 1007 (that is the highest BIOS version the tool can find). Enable the XMP and sync all core to 43 but still got blue screen after launch the game.

So go back to stick with 42,42,41,40 CPU setting.
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October 18, 2013 3:25:20 AM

maybe not use XMP and set RAM on Auto?
maybe bump vcore and vring voltage a notch..
maybe keep cpu/cache @ 1:1
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