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High PCH temps

LordZozo
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Hey guys.

 

I had / built tens of pcs but is the first time I actually never had to pay attention to pch temp (pretty much everytime they were hanging around 40-60 degrees so I was not worried).

 

Now on my Mainboard ASUS ROG MAXIMUS Z690 FORMULA [ ROG MAXIMUS Z690 FORMULA ] + Procesor Intel Alder Lake, Core i9 12900K 3.2GHz box, they seem to be hanging in idle at 75 Celsius. Everything else is 40-50 except vrm that is ~65.

 

I initially thought I have bad airflow but... it doesn't seem to change with the fan speed at all (all fans at 0... 74-75 Celsius, all fans full blown... 74-75 Celsius... case open... same; case closed... same). Other components are clearly affected by fan speeds so... don't think the airflow is a problem.

 

Another interesting thing is that the temp doesn't go much up it load (don't think I ever seen past 80 Celsius in all the tests I made).

 

I read on some forums that z690 may run pretty hot but no info regarding on what "pretty hot" means. So... is this normal? I don't really mind it, and doesn't seem to affect my sistem. I just... wonder if anything is wrong.

 

sensors.thumb.jpg.058143e07d105136da7fb8284a6c9a73.jpg

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I really wouldn't worry much about PCH temps unless they get north of 100 C. Often times the cooler and TIM has a lot of thermal resistance. At any rate it's not going to cause throttling or performance issues, and will last for the useful life of the board.

Main: AMD Ryzen 7 5800X3D, Nvidia GTX 1080 Ti, 16 GB 4400 MHz DDR4 Fedora 37 x86_64

Secondary: AMD Ryzen 5 5600G, 16 GB 2667 MHz DDR4, Fedora 37 x86_64

Server: AMD Athlon 3000G, 16 GB 2400 MHz DDR4, TrueNAS Core

Home Laptop: Intel Core i5-L16G7, 8 GB 4267 MHz LPDDR4x, Windows 11 Home 22H2 x86_64

Work Laptop: Intel Core i7-10510U, NVIDIA Quadro P520, 8 GB 2667 MHz DDR4, Windows 10 Pro 22H2 x86_64

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