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AMD EPYC 9554 Overheating issue

Hello everyone

I'm currently experiencing an overheating issue with a single-processor AMD EPYC 9554 on a Gigabyte MZ73-LM0 motherboard that I just assembled. On my first tests, the values indicated by HWiNFO64, in the Tctl/Tdie CPU exceed 100° with an activation of the HTC & CPU thermal limitation and therefore a drop in performance; Can we trust the information in this monitoring software ?

Would it make sense to disable the Core Performance Boost ?

Thank you in advance for your comments and feedback

 

My Build:

- Gigabyte MZ73-lm0 Rev 2.0

- 1x AMD EPYC 9554

- 12x Sticks of Crucial Memory 32Go DDR5

- 1x 1To NVme

- 1x RTX 3060

- Windows 10 Pro & Linux

- Full Watercooling custom (Temp Water 25°C) (Waterblock CPU SP5 ES jet 2U, Alphacool, Aquacomputer Leakshield D5, RAD 560 MONSTA, 18 Noctua Industrila Fans)

 

Kind regards & Thanks in advance !

CPU Temp Limitation.PNG

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well.. either that watercooling block you got doesnt work, or you didnt mount it properly.

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Something strange to me is that each individual CCD Tdie is over 50C lower than the overall Tdie. This implies that there is a hotspot somewhere, but not in the cores. It's also not in the IO die.

 

I'm wondering if there is some kind of a mounting issue with the CPU - not just the cooler, but if the actual CPU is not seated correctly in the socket.

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Might have some mounting pressure issues or too little paste. Cooler mounting on these is tricky af and very possible you got an air bubble under the block.

 

 

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