Question Cpu clock speed reducing to half after few hours of gaming.

[Asad1234]

Guys, Please help me out i am facing a strange problem, I started playing red dead redemption 2 recently but after 1,2 hours of playing my Cpu clock speed reduces to half from 3.3 ghz to 1.58Ghz. It happened yesterday i tried everthing for hours but the clock speed was locked at 1.58 Ghz, I also ran a stress test but noticed that the cpu utilization was only 50% and clocks were locked at 1.58Ghz it looked like everthing got reduced to half. Today i turned on my pc and the speeds were normal again but the same thing happened again today. I tried eveything from windows power settings to resetting bios but it didn't help. Just so you know, my Cpu reached a maximum temperature of only 60 degrees during all the above scnerio.

My specs:
Xeon E3-1220 v2
8 Gb Ddr 3 Ram 1333Mhz
Sapphire Pulse Rx 570 4gb
Asus H61-MA Motherboard
600Watt Fsp corp inc power supply

 

[Lutfij]

Welcome to the forums, newcomer!

600Watt Fsp corp inc power supply
FSP is the brand of the PSU while 600W is the advertised wattage of the unit. What is the model of the PSUas well as it's age?

Asus H61-MA Motherboard
BIOS version for your motherboard at this moment?

Xeon E3-1220 v2

H61M-A - Support

www.asus.com

Does not show up in the supported CPU's list for the motherboard.

Lastly, what OS are you working with? Where did you source the installer for your OS?

 

[Asad1234]

Welcome to the forums, newcomer!

600Watt Fsp corp inc power supply
FSP is the brand of the PSU while 600W is the advertised wattage of the unit. What is the model of the PSUas well as it's age?

Asus H61-MA Motherboard
BIOS version for your motherboard at this moment?

Xeon E3-1220 v2

H61M-A - Support

www.asus.com

Does not show up in the supported CPU's list for the motherboard.

Lastly, what OS are you working with? Where did you source the installer for your OS?

The Psu Model is: FSP600-80TBN. I bought it in used condition, don't know its age.

The BIOS are default that came with it.

Yes the processor is not mentioned in the supported CPU's list but it works fine on it.

The OS is windows 10 and the installer was an official version from Microsoft, I bought the product key later. I updated to latest version just 3 days ago.

 

[uWebb429]

@Asad1234
Use ThrottleStop to disable BD PROCHOT. This is likely a motherboard issue.

The main ThrottleStop screen shows BD PROCHOT throttling in red. That is the reason for throttling.

https://imgur.com/a/K4R1GH5

View: https://imgur.com/a/K4R1GH5#Gct0Z4h

 

[Asad1234]

@Asad1234
Use ThrottleStop to disable BD PROCHOT. This is likely a motherboard issue.

The main ThrottleStop screen shows BD PROCHOT throttling in red. That is the reason for throttling.

https://imgur.com/a/K4R1GH5

View: https://imgur.com/a/K4R1GH5#Gct0Z4h

Unchecking the BD PROCHOT Box seems to have solved the problem for me. But i have a few concerns. Is it safe to turn it off? also i turned off the speed step in bios before so should i enable it again? I was running my pc for about 20 days but why the throttling problem only occured 2 days ago ?

Using HWinfo i monitored that my motherboard temperature is at 123 degree Celsius and Auxtin 1 and 2 temps are 117 and 113 degree Celsius respectively. The temps always remain constant and never changes. I think it is a false reading probably because the software also warns that it might be incorrect. Are these temps causing the BD PROCHOT to trigger?

As you mentioned about the motherboard issue so it is okay to go with this Motherboard or is it concerning?

Thanks a lot man! I was trying to troubleshoot for 2 days but couldn't figure it out.

 

[COLGeek]

You really should be using Celsius to discuss temperatures with others.

Those temps, in Fahrenheit, are not bad.

 

[Asad1234]

You really should be using Celsius to discuss temperatures with others.

Those temps, in Fahrenheit, are not bad.

It's in Celsius

 

[COLGeek]

It's in Celsius

Then you have something amiss. That is beyond the boiling point of water and the system should be shutting down to prevent damage.

 

[uWebb429]

Is it safe to turn it off?

BD PROCHOT throttling is almost always caused by a sensor on the motherboard that has failed. This can happen gradually over time or it will happen suddenly. When a bad sensor starts to fail, it might be intermittent where your computer will work fine one day but not the next.

This failed sensor ends up sending a false throttling signal to the CPU. It tells the computer to thermal throttle even when the CPU is not hot at all. Using ThrottleStop to disable the BD PROCHOT signal path prevents these external throttling signals from getting to the CPU. If your CPU ever gets too hot, it will thermal throttle to protect against any damage whether BD PROCHOT is checked or not. BD PROCHOT and PROCHOT (processor hot) are often times confused. These two signals within the CPU are two different things.

Monitoring software like HWiNFO and HWMonitor do not always read each and every temperature sensor 100% correctly, especially on a motherboard that is almost 11 years old. Your CPU core temperatures are ice cold.

Many users have run their computers with BD PROCHOT disabled for years without any problems. Your motherboard is already broken. You can disable BD PROCHOT and run your computer at full speed or you can let your computer throttle along at 1600 MHz.

SpeedStep should be enabled in the BIOS. SpeedStep has nothing to do with the BD PROCHOT throttling problem your computer has.

 

[Asad1234]

BD PROCHOT throttling is almost always caused by a sensor on the motherboard that has failed. This can happen gradually over time or it will happen suddenly. When a bad sensor starts to fail, it might be intermittent where your computer will work fine one day but not the next.

This failed sensor ends up sending a false throttling signal to the CPU. It tells the computer to thermal throttle even when the CPU is not hot at all. Using ThrottleStop to disable the BD PROCHOT signal path prevents these external throttling signals from getting to the CPU. If your CPU ever gets too hot, it will thermal throttle to protect against any damage whether BD PROCHOT is checked or not. BD PROCHOT and PROCHOT (processor hot) are often times confused. These two signals within the CPU are two different things.

Monitoring software like HWiNFO and HWMonitor do not always read each and every temperature sensor 100% correctly, especially on a motherboard that is almost 11 years old. Your CPU core temperatures are ice cold.

Many users have run their computers with BD PROCHOT disabled for years without any problems. Your motherboard is already broken. You can disable BD PROCHOT and run your computer at full speed or you can let your computer throttle along at 1600 MHz.

SpeedStep should be enabled in the BIOS. SpeedStep has nothing to do with the BD PROCHOT throttling problem your computer has.

Thanks for the clarification. Can i ask one last question from you? By broken Motherboard you mean the bad sensors right ? Because i am afraid if the VRM is overheating and i cannot see its temperature. Moreover i don't want any of my components to get into trouble because of a bad Motherboard.

 

[COLGeek]

Yes, I suspect your sensors are at the root of the problem.

May simply be time for replacement or an upgrade.

 

[uWebb429]

@Asad1234

No one in a forum can predict how much longer your 11 year old computer is going to last. Whether you use ThrottleStop to fix this throttling problem or not, your computer could be dead by tomorrow. Back up your important files and start saving up for a replacement of some sort.

It could be a bad sensor or it could just be dust build up on the motherboard that is shorting out and triggering BD PROCHOT throttling. This was a common problem on many MSI motherboards.