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maxmbg

Failed attempt at Undervolting AMD Ryzen 7 3800x

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Posted · Original PosterOP

I recently got an AMD Ryzen 7 3800x for my birthday, paired with an ASUS ROG Strix B450-F Gaming motherboard. I installed the new motherboard and cpu successfully, but when checking the temps I noticed that they were oddly high.


I read somewhere online that with the 3800x, you have to undervolt it and overclock it to take temps down while still not losing too much performance. I attemped to do this, but after the fist try not doing anything, I tried again. The second time I did it, when I tried to boot it the red CPU light on my motherboard was lit. I tried to reset my cmos without any success. I have no idea how to fix this issue and would accept any help. (My max temp when running Cinebench was about 85c)

 

Specs:
CPU: AMD Ryzen 7 3800x
CPU Cooler: AMD Wraith Prism
Motherboard: ASUS ROG Strix B450-F Gaming

Ram: 16gb Corsair Vengeance LPX 3000mhz
GPU: MSI 1660 ti Gaming X

Power Supply: Corsair CX 650M

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95c is throttle point. How close to that are you?


- If it ain't broken, don't fix it! 

- Your post codes and beep codes in the drop down below.

Spoiler

 

 

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Posted · Original PosterOP
Just now, ShrimpBrime said:

95c is throttle point. How close to that are you?

When I was testing Cinebench my max temp was about 85c.

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1 minute ago, maxmbg said:

When I was testing Cinebench my max temp was about 85c.

You're good. No worries unless your system throttles, then upgrade the cooler. (which you can always do whenever...)


- If it ain't broken, don't fix it! 

- Your post codes and beep codes in the drop down below.

Spoiler

 

 

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Posted · Original PosterOP
Just now, ShrimpBrime said:

You're good. No worries unless your system throttles, then upgrade the cooler. (which you can always do whenever...)

I am idling at 60c, but the problem now is that the system isn't posting.

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Just now, maxmbg said:

I am idling at 60c, but the problem now is that the system isn't posting.

Clear the cmos to get the system running again.

 

 


- If it ain't broken, don't fix it! 

- Your post codes and beep codes in the drop down below.

Spoiler

 

 

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pins marked cl rtc, bottom right of mobo, left of rgb header, right of usb2 headers. bridge to reset bios


r5 3600 3.7GHz@1.0125v(0.975v get) | Noctua Nh l9x65 am4 | MSI b450i gaming ac | crucial ballistix 2x8 3600mhz|Zotac 2060 amp 1965mhz@900mv | 256GB Samsung 950 pro nvme | 1TB Adata su800 | 4TB HGST drive | Silverstone SX500-LG | Silverstone ML08

HTPC i3 7300 | Gigabyte GA-B250M-DS3H | 16GB G Skill | Adata XPG SX8000 128GB M.2 | Many HDDs | Rosewill FBM-01 | Corsair CXM 450W

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