New computer, motherboard hot even while idling

Dunhem · Dec 4, 2015

Just built my second PC. The one I made 5 years ago worked fine but it's time to upgrade for the new stuff coming out. I'm using this as a personal computer and also for gaming. I don't get hardcore about it, I don't demand Ultra graphics on everything.

CPU: AMD FX-8350
MB: ASUS M5A97 R2.0 ATX AM3+
DRIVE: Crucial BX100 500GB SSD
VID: EVGA GeForce GTX 960 2G
OS: Windows 7.1
RAM: Crucial 8GB
CASE: Phanteks Enthoo Pro ATX Full Tower
PSU: Rosewill 650W 80+ Gold Fully-Modular

I finally got everything hooked up, ran it to install basic drivers and programs, and noticed that just while sitting at the desktop and not doing anything else, the Northbridge (AMD 970) was hot to the touch, and so was the Southbridge to a lesser extent.
The motherboard on my current computer almost NEVER gets hot, even during rigorous gaming sessions, so this kind of freaks me out.

Can anybody offer me an explanation and/or solution?

saint19 · Dec 5, 2015

Hi and welcome to Tom's forum.

What are the specs of your 1st rig?

Dunhem · Dec 5, 2015

saint19 :

My previous one (the first time I built one from scratch) was as follows.

CPU: Intel i5-2500K
MB: ASUS P8Z68-V PRO
DRIVE: WD Blue 500GB HD
VID: ASUS GeForce GTX 550 Ti
OS: Windows 7
RAM: Crucial 4GB
CASE: Antec Three Hundred Mid Tower
PSU: hec XPOWER780 600W

Outlander_04 · Dec 5, 2015

Down load and install AMD Overdrive . It will tell you accurately what the mb temps are

Dunhem · Dec 5, 2015

Outlander_04 :

I'm not really sure what most of these readings mean, but...

CPUs (8 cores) are all coming in at between 30-55 Celsius, usually 30.
TMPIN1 is about 33-45 Celsius, usually 41.
TMPIN 2 is about 27 Celsius constantly.

Touching the board by hand, the bridges still feel quite hot, much moreso than my old rig. Can't use AMD Overdrive on that since it doesn't use AMD chipset. And I don't really have a frame of reference for if these temps are considered normal or safe.

Outlander_04 · Dec 5, 2015

Overdrive measures cpu temps as a thermal margin . Thats a measure of how much hotter it can be and still be safe . Big numbers are good . Small numbers mean its getting hotter.

Board temps are measured the same way . TMPIN1 is telling you that the board can be 41 C hotter and there will not be a problem

Dunhem · Dec 5, 2015

Outlander_04 :

So is it likely that this particular motherboard just runs hotter than others when performing normally, and it shouldn't be an issue?

Outlander_04 · Dec 6, 2015

Given the rule of thumb that chips stay below 65 C it looks like TPMIN1 is running at a fairly cool 24 C.

Not hot

saint19 · Dec 7, 2015

I see...

You are coming from Intel and by far those CPU runs much cooler that any AMD on the market. Download and install CoreTemp, what temps do you see in the program? My 1090T always runs around 35-40°C on liquid cooling.

Outlander_04 · Dec 7, 2015

saint19 :

Actually no the AMD's do not run hotter . The intels have smaller coolers and run to about the same temperatures .

AMD temps are measured accurately by Overdrive which he is already using . Third part solutions often do not work .
I suggest you download overdrive and check your temps

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