CPU I7 7700K stuck at 0.8 GHZ - MSI Z270 Gaming M7

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rccsetzer

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I am feeling pretty frustrated with my first build. I just RMAed my z270 gaming m7 motherboard and i am experiencing the same problem with the new one. My I7 7700K processor is stuck at 0.8 ghz at all times, no matter what i do in Bios settings.
I disabled Thermal Monitor Adapter, EIST, C-State and nothing changes.
Temperatures are all normal.

Those are the specifications of my rig:
Mobo: MSI Z270 gaming M7
CPU: I7 7700K
RAM: 16GB G. Skill Ripjaws V 3.000mhz
Storage: Samsung SSD 850 Evo 500GB + WD Black 1TB
GPU: MSI Geforce GTX 1080 Gaming X
Liquid cooling: Corsair H115i
PSU: Corsai HX1000i
Case: Coolermaster master case pro 5
OS.: Windows 10 Home 64 bits

How can i be so unlucky to have received 2 faulty motherboards?

When i use Throttlestop and uncheck BD PROCHOT everything works as intended, without a hiccup.
 
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Colif

Colif

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Do you have latest BIOS?

Same CPU, MSI motherboard, was fixed by using different bios, just yesterday

.8ghz is speedstep setting, its lowest though

i wonder if its a windows setting, try going into power options, set it to high performance, and click change plan settings
on next page, choose Restore default settings for the plan - as sometimes they get mixed up and might be running CPU at 5% max
 
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rccsetzer

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I did check windows settings and everything is setted to high performance (100% cpu performance). The thing is CPU is stuck at 0.8 ghz even in Bios.
 
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Colif

Colif

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It seems to be a common problem with MSI motherboards but not just the Z270 series, the last few years.

Are you on bios 1.2?

if its anything like the previous gaming M7 it might be related to the slow1 jumper, it is described on page 45 of your manual. It was a switch on Z170 Gaming 7 but is now just a jumper. It should be off but is on by default:

Not sure if you're still active here but I had the exact same problem with the exact same motherboard. You have to open up your computer and in the bottom right of the motherboard, there is a slow mode switch. Click this link http://cdn.billiger.com/dynimg/JR69zDRQ_oV23S_DB3ecVzt4... and go to page 27 to identify where the switch is (it's called SLOW_1). SWITCH THIS OFF! 100% GURANTEE THIS IS THE PROBLEM.
Click to expand...

http://www.tomshardware.com/answers/id-3052074/6700k-stuck-800mhz-msi-gaming-motherboard.html
 
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rccsetzer

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Yes. I am on Bios 1.2. According to the manual "slow mode" should be off without the jumper cap. But i think i will have to try it. I will ask a friend for jumper caps (motherboard doesn't come with). The manual says that i have to enable slow mode (put jumper cap) during BIOS POST. So, i can only do that when mobo is on and before windows starts? Manual says that if i switch slow mode to enabled when power is off, the system will be un-bootable.
 
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Colif

Colif

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About the ThrottleStop Program and the Sensor causing the problem:

BD PROCHOT stands for bi-directional processor hot. This allows other sensors on your motherboard to signal the CPU which forces the CPU to use the minimum multiplier (8). The CPU behaves exactly the same as if it was thermal throttling but in this case, the CPU temperature is fine. On some motherboards, it can be either a temperature switch from the voltage regulator or a power consumption switch. On your motherboard, it is very likely that the Slow Mode switch intended for LN2 users is failing. The only fix is a new board. This problem has nothing to do with Windows.

ThrottleStop is the only free software available that lets a user disable the BD PROCHOT signal path. When you uncheck BD PROCHOT, that blocks signals from the defective switch getting to your CPU. A simple fix and after you disable BD PROCHOT, you should be able to exit ThrottleStop and the BD PROCHOT signal path will remain disabled. ThrottleStop also has an option that you can add to the INI configuration file.

ExitTime=5

This option tells ThrottleStop to exit 5 seconds after it starts. ThrottleStop will start up, fix the problem and then quietly exit.

Why is ThrottleStop "not ideal"?

Use the Task Scheduler to add it to the Windows start up sequence and you will not have to worry about this issue. If you use stand by mode, you might have to run ThrottleStop again after you resume. When properly setup, it is a very efficient program so some users prefer to leave it running, minimized to the system tray.
Click to expand...

https://forum-en.msi.com/index.php?topic=276030.0

I keep finding your questions on all my searches.
 
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Colif

Colif

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regarding your last questions, I would honestly ask MSI. Since you in contact with them due to last RMA, they would be best to ask about those details.

looks like I misread manual, you are correct, it should be off but if its faulty you may need to enable it and then turn it off again to get right speeds.

Judging by the large number of people that fixed their previous MSI PC running at 800mhz, I would think that turning it on off should fix it for you. I saw cases going back to Z87 so that is 4 generations ago, MSI should fix this glitch

I used to have same issue with same CPU, with msi gaming 7 mobo. After couple of frustrating days I noticed that there was an onboard "slow mode" switch on. I turned it off, booted the system, and the issue was gone. That slow mode limited the multiplier of the cpu to 8x. Now its 44 and running at 44 x base clock freq. 4.4 Ghz. After laughing to myself for a while, I was relieved and ready to enjoy my well built system
Click to expand...

https://communities.intel.com/thread/59398
 
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Colif

Colif

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I didn't answer your previous question as I don't know, I would have asked MSI about that since they made board. I have to say I didn't see many examples of the problem occurring on non msi boards so that should be a hope for you.
 
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rccsetzer

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When i went too deep on the matter, MSI answered that i had to contact my reseller (or a MSI distributtor or office) to test the board. This is not a option for me. I can only send it back. If i eliminate the faulty processor theory (only because this is already my second board) i will definitely change my board for a ROG Maximus IX Code.

 
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rccsetzer

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What i know is that Code have everything Formula has minus the custom loop features. Code has WI-FI and Hero not.
 
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The_Staplergun

The_Staplergun

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https://www.asus.com/us/Motherboards/ROG-MAXIMUS-IX-CODE/

It's right in there it has dedicated headers.

So, if you want wifi, there's other options.
Are you doing 4133 MHZ or higher ram?
Are you going to be using the CMOS Reset and BIOS Rollback buttons?
If not, you're still wasting money.
The ROG Strix Z270E is perfect.

If you are going to use the 4133 ram and the CMOS and BIOS buttons, then yeah a code or hero can work, the hero just seems to not come with a wireless controller, and the code has dedicated water cooling headers.
 
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rccsetzer

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I tested the CPU with a Gigabyte-gaming-3 and it worked flawlessly. I reassembled my PC from the start and what was the result? CPU stuck at 0.8 ghz. I am pretty disapointed with MSI motherboard quality. It appears to be a good piece of hardware when everything works. But for me it has been a hellish experience.
 
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