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CPU Ratio Throttled on ROG Z890 Hero

Thiv94
Level 7

Hello,

I have an Asus ROG Z890 Hero Motherboard and an Inter Core Ultra 9 285K CPU.

Unfortunately, I can't manually exceed the Max turbo frequency, i.e. 5700MHz because the Ratio seems to be stuck at 57...

Indeed, I can actually set a ratio value higher than 58 and beyond, but this value is not taken into account by the CPU if it exceeds 57, which is strange...

And if I deactivate the "Turbo" mode, ratio values ​​higher than 37 are not taken into account by the CPU which continues to run at 3700 MHz...

Therefore, do you have any idea of ​​a parameter that would cause this blocking?

Personally, I have looked around the BIOS, but I can't find the function that causes this restriction.

Thanks in advance.

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3 REPLIES 3

Thiv94
Level 7

Hello,

Do you have the news for this problem ?

Silent_Scone
Super Moderator

Hi @Thiv94 

How are you adjusting the ratio? Under AI Tweaker, set Performance Preferences to ASUS Advanced OC Profile. This is mandatory to OC any clock domains.

 

9800X3D / 6400 CAS32 / ROG X870 Crosshair / TUF RTX 4090

Thiv94
Level 7

Hello,

Yes I make the Max Ratio modifications in AI Tweaker, and the "ASUS Advanced OC Profile" mode is selected...

The "P-Core" and "E-Core" Ratios are blocked at their original maximum values...

In fact, we can validate the P-Core and E-Core modifications, but the values ​​in question are not taken into account by the CPU if they are higher than the original Ratios...