Fatal1ty Z170 Gaming K4 Overclock Not Saving
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=2164
Printed Date: 18 Jul 2025 at 11:00pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Fatal1ty Z170 Gaming K4 Overclock Not Saving
Posted By: Illustrator76
Subject: Fatal1ty Z170 Gaming K4 Overclock Not Saving
Date Posted: 07 Mar 2016 at 1:44am
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I just recently finished setting up a CPU that has a Fatal1ty Z170 Gaming K4 as the motherboard. I am using a Skylake i5 6600K (yes, it is a K for sure) as my processor and I am trying to overclock it in the bios. My issue is that whenever I change the CPU multiplier (to 44) and the core voltage to 1.35, I see the yellow text change in my UEFI, but when I reboot back in to the BIOS, the yellow text for the clock information is back to showing 3.5 Ghz instead of 4.4 Ghz. I am making sure that I am saving my configuration when I exit, but it's still not working. I have been able to change my RAM speed from 2133 to 2400, and that seems to save just fine, but the processor overclock won't. Is there a setting or step somewhere that I am missing? Any help given would be greatly appreciated. Thanks!
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Replies:
Posted By: Xaltar
Date Posted: 07 Mar 2016 at 2:04am
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I am guessing your BIOS version is pre 2.40. Update your BIOS to the latest version, boot the system into windows then shut down, disconnect power and clear CMOS. Once you have done all that try the overclock again. That should get your overclock to work but if not post back with results. ------------- 
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Posted By: Illustrator76
Date Posted: 07 Mar 2016 at 2:50am
Holy! WOW, yeah my BIOS were on like 1.60, so I wasn't even close to 2.40. The only reason why I didn't update them before is because the ASRock site said they only recommended updating them if your system wasn't running properly. Next time that will be the first thing that I do, as I was always under the impression that updating the BIOS was the best thing to do no matter what. I have made the overclock updates in the BIOS and my overclock settings seem to be sticking now. Is there any way that I can check in Windows to make sure they are working? I look under the Windows system properties and I ran CPU Z and it still says 3.5 ghz for the processor, or is this something that strictly the motherboard will be able to recognize? Thanks!
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Xaltar wrote:Posted By: Xaltar
Date Posted: 07 Mar 2016 at 2:57am
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In CPUZ check the multiplier, it should read 44 (if that is what you set in BIOS). I have seen a few instances of CPUZ not reading overclocks lately though so you can try HWinfo 64 and other monitoring APPs and see if any report the OC correctly. -------------
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Posted By: Illustrator76
Date Posted: 07 Mar 2016 at 5:15am
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Thanks. I checked the multiplier in CPU Z and it said 8 - 45 (I set the multiplier to 45, not 44), so I assume that it is working correctly. Thanks again for all of your help!
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