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What component is this that is running so hot?

Divergent2000
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Ok,so ever since I had this new motherboard installed back in 2016, I've noticed this weird high heat situation going on (see screenshot) that I pretty much blew away for awhile but I am now worried it might over time decrease my computer's life. I cannot, despite having years of experience messing around with computers, figure out what component it is that is running this hot as open Hardware Monitor doesn't say what it is. SHould I be worried about this? My previous motherboard (MSI K9N Neo V2 that died a few years ago) never had any of these high temperature readings. I am suspecting it might be the chipset temperature going crazy since I did have an issue with my some intermittent internet connectivity and crashing applications that resolved itself after a reboot and a little waiting yesterday.

Specs:

MSI H81M-P33 motherboard

8GB DDR3 RAM

MSI GT630 2GB GDDR3 (reused from a previous build)

Intel Celeron G1820 2.7GHz

240 GB Radeon R3 Series SSD

480 GB Kingston A400 SSD

600W LC Power quiet power supply

LiteON generic optical drive

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Posted

I think there is a problem in sensor or in software, if the CPU temp will get at that level the PC will be automatically shut down. You really don't need to worry about that. Also you can use CPU-z for keeping eye on the it's a really good software

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Try a different utility to confirm.  HWiNFO is my go to.  Also something like Intel XTU.  

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Probably a sensor issue but if it shows up on a different hardware monitor reapply more thermal paste

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Thanks for the info! Will check tommorow with HWInfo. I have CPU Z and will inspect with that to. Are you sure it isn't a VRM or chipset temp reading?

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1 hour ago, Divergent2000 said:

Thanks for the info! Will check tommorow with HWInfo. I have CPU Z and will inspect with that to. Are you sure it isn't a VRM or chipset temp reading?

A good way to tell that it's just a faulty or unused sensor is if the reading doesn't change. 

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Ok, so I downloaded HWinfo and it turns out that AUXTIN1 is the one that is running hottest and fluctuates between 115 and 120 degrees celsius depending on what I am doing.

About 20 minutes ago I was getting ready to OC my video card so I decided to first ramp up the fan speed to max speed as I always before overclocking. Before I even had a chance to mess with the OC settings, my PC froze and would only let me select desktop icons and then just completely froze for a bit. After bashing CtrlAltDel for a while it recovered and I opened Open Hardware monitor as I hadn't downloaded HWifo. The hotter sensor (which shows up in HWifo as AUXTIN1) was reading 119-120C! By the time I downloaded HWinfo it had cooled a few degrees and would run 117-118 with a max GPU fan and max GPU core OC. Now it is sitting at 116C while I'm typing this (video card on default settings now since I'm not gaming or running any demos). AUXTIN 2 seems to not have anything to do with the AUXTIN1 situation, but runs at 110-113C. Are these the motherboard's DC-DC converter chips heating up like this? What is also weird is that running furmark both with default fan speed and full speed a moment ago actually cooled AUXTIN1 to 114C. I'm honestly not to sure about these readings, but the freezups that happen at around 119-120C are worrying me big time. Alos of note is that when my video card draws extra power with/without OC and has fan on max, the 12V line sags from 12.495-12.233V and fluctuates in that range. Also, one of the low voltage lines fluctuates a little in the same situation.

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  • 2 years later...
Posted

@Divergent2000 -Did you ever get this figured out? I have an MSI z370 Gaming M% motherboard that shows it has maxed out at 125C with nothing running. It fluctuates widely and sometimes dips down to 0c so I'm pretty sure this is just a sensor header that is not used for anything and most likely not even a bad sensor?

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