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How to Overclock P72

2018-12-12, 4:39 AM

I just received my brand new Thinkpad P72.  I ran PCMOVER and transferred files and settings from my desktop, including CPU-ID.  This utility shows that I'm running at a mere 2.9 GHz; obviously I purchased the P72 to run at 4.8 GHz.  I looked into the BIOS but found no "advanced" or "overclocking" settings.  I also downloaded Intel's overclocking utility--but that wouldn't install.  Help!

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Re: How to Overclock P72

2018-12-12, 14:43 PM

Download Intel Extreme Tuning Utility

 

https://downloadcenter.intel.com/download/24075/Intel-Extreme-Tuning-Utility-Intel-XTU-

 

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Re: How to Overclock P72

2018-12-12, 16:23 PM

I already tried that; it won't install!

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Re: How to Overclock P72

2018-12-12, 19:19 PM

By the way, I have the Xeon 2186M CPU.  The BIOS looks rather primitive; I'm wondering if the CPU clocking is somewhere else.

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Re: How to Overclock P72

2018-12-12, 20:06 PM

The Xeon 2186M CPU has a locked multiplier.  This is a peer-to-peer forum, but it is a Lenovo-sponsored board.  Overclocking would certainly affect any warranty and would change cooling requirements.  I would not expect any BIOS support or help in this area.


Rich


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Re: How to Overclock P72

2018-12-12, 20:27 PM

I bought the P72 Xeon specifically to get the 4.8 GHz CPU.  2.90 GHz is worthless.  There has to be a way to do this!

 

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Re: How to Overclock P72

2018-12-13, 2:54 AM

Then you know more about it than I do.


Rich


To help with forum searches, check this out: https:/forums.lenovo.com/t5/Welcome-FAQs/Using-Browser-Search-to-find-your-answers-in-Lenovo-and-Moto-Community/m-p/5016916

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Re: How to Overclock P72

2018-12-13, 15:01 PM

OK, thanks.  I did some more research on this issue, and it does appear that Turbo Boost works automatically.  However, Intel does not have a monitor so that users can see what's happening.  I'm still researching this issue.

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Re: How to Overclock P72

2018-12-13, 16:25 PM

You didn't ask about Turbo Boost.  You asked about overclocking, which is manipulating the core frequency or multiplier to run the processor faster than tested speed.  As I said, I believe your processor is locked.  Overclocked processors tend to use more power and generate more heat, which are not good in most laptops.  Turbo boost is an automatic process to run high-demand threads at higher than the published speed in cases where all threads are not equally loaded.  There is an old (2008) Intel white paper that has a good description of the theory.

 

http://files.shareholder.com/downloads/INTC/0x0x348508/C9259E98-BE06-42C8-A433-E28F64CB8EF2/TurboBoostWhitePaper.pdf

 


Rich


To help with forum searches, check this out: https:/forums.lenovo.com/t5/Welcome-FAQs/Using-Browser-Search-to-find-your-answers-in-Lenovo-and-Moto-Community/m-p/5016916

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Re: How to Overclock P72

2018-12-13, 21:45 PM

I just downloaded the latest version of CPU-Z; unlike my previous version, this one does show the Xeon speed dynamically, not just the base clock.  So I feel much better now!

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