overclock the cpu, clock always fixed to 2.5

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   Word is around here that there is a bug where if you set the voltage to 1.35 or higher you get underclocked to 2.5 GHz.  Someone hinted at a new BIOS revision coming out in the near future to solve this.

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brendanw36 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 Oct 2017 Status: Offline Points: 17	Post Options Post Reply Quote brendanw36 Report Post Thanks(0) Quote Reply Topic: overclock the cpu, clock always fixed to 2.5 Posted: 03 Nov 2017 at 8:56pm
	Word is around here that there is a bug where if you set the voltage to 1.35 or higher you get underclocked to 2.5 GHz. Someone hinted at a new BIOS revision coming out in the near future to solve this.

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8787	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Posted: 03 Nov 2017 at 3:06pm
	Dear robert68752, Greetings, this is ASRock TSD. Our testing configuration is the same as yours, BIOS P3.30, CPU 1800X. The system could be set up CPU to 4GHz, Fixed mode Vcore set 1.35V. In CPU-Z and H/W info, the CPU frequency keep at 3.99G. Please refer our test result. So we would like to provide some suggestions for verifying: 1. Please add some loading to verify.(ex: prime95) 2. Please load BIOS default and then adjust CPU Voltage to verify. Path: BIOS>OC Tweaker>CPU Frequency and Voltage Change >Manual >CPU Voltage(V) 3. If possible, please install another CPU to verify. Thanks! All the best, ASRock TSD Edited by ASRock_TSD - 03 Nov 2017 at 3:07pm

datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3139	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 01 Nov 2017 at 4:03am
	easy test run cinebench r15 score over 1750 and its running 4ghz all cores score under 1500 ish and its running under 3 ghz
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold

Kevin A Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 02 May 2017 Location: East Coast USA Status: Offline Points: 94	Post Options Post Reply Quote Kevin A Report Post Thanks(0) Quote Reply Posted: 31 Oct 2017 at 8:57pm
	I cannot be certain of my response without a screen shot or the like. However, IF you have your windows 'power plan' set to 'Power Saver' that could be the issue. OR if you have a customized power plan that has set the 'minimum/maximum' processor state that could lead to you seeing the 2.4/2.5ghz information. Also it could be something else entirely, however if you are truly seeing 3.9/4.0 in Task Manager and the MS Windows System Information properties sheet(that displays the "View basic information about your computer"...) then trust your OC is at 3.9/4.0ghz and somehow the monitoring utilities are somehow the issue. If I were you I would try to download the 'portable(zip)' version of these utilities and try running them from a folder on a USB or External drive. But whatever is the case it is not normal behavior to see such a drastic difference unless there is a configuration issue. I am unaware of any sensor that Windows can read accurately but a widely known and used utility could not.

robert68752 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 06 Aug 2017 Status: Offline Points: 6	Post Options Post Reply Quote robert68752 Report Post Thanks(0) Quote Reply Posted: 31 Oct 2017 at 5:54pm
	My X370 Gaming K4 when I overclock 1800X up to 4.0ghz by bios setting and select fixed mode, in window10, task manager mark clock 3.99 but cpu-z or hw monitor mark clock 2.4ghz or 2.5ghz. when i try latest 3.3 bios, it was same problem. Is it normal behavior?