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I just got a new motherboard, RAM and CPU. I got a Gigabyte Z68 UD4 and a 2500k. I'm overclocking my CPU to 4.7 GHz and I'm overclocking my Radeon 6970 a little bit too.
However, when I play a game for a while, it will all of a sudden mess up in a crazy way, such as the screen being split in half or just tons of artifacts.
When this has happened, I've checked my temperatures and the CPU and Video card are fine, but TMPIN1 and maybe TMPIN2 are very high. Especially TMPIN1, it gets over 110 degrees celsius. I'm guessing this is causing the problem, but I don't know what TMPIN0-2 measure. I'm pretty sure they are motherboard temperatures, but on my old motherboard, they hardly ever changed at all. Are some cables sitting on top of something important on my motherboard or what? How can I fix this?
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Isn't TMPIN1 CPU socket? Might say in manual?
Did you put voltage on auto when OCing the CPU? Could be a bad idea because it can probably run on a lot less.
Edit. Anyway it would be very strange if anything except CPU or GPU got close to that temp because nothing else is really eating power.
Looking again you get artifacts so I would suspect GPU and not CPU.
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Artifacts is usually a GPU issue. Have you stress tested with prime95, furmark, and memtest?
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No, I haven't run furmark. I'm new to GPU overclocking. But I'm downloading it now. If it is my GPU overclock that's the problem, I'm still worried about the mystery 110 degree celsius temperature, because my GPU and CPU never get above 76.
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TMPIN1 should be the Northbridge as far as i know ...remember that it's only cooled by passive air from your other fans by default. I highly recommend checking your cooling setup since it seems to be missconfigurated. Which CPU-Fan and Case-Fans do you use (or maybe u use even watercooling)?
For the time being i advice you to stop OC'ing until the issue is solved -> Tmax for the NB is @ ~100°C...by stoping the OC'ing the air which also cools the NB passively will be cooler and the Temp will go down a bit normally.
Just out of curiosity: why would you OC the i5 2500k (normally 3,3 GHz, max turbo 3,7) and your GPU?
I've got that specific CPU myself + a GTX 560 Ti and play games like Skyrim on Ultra without any problems whatsoever.
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You buy a 2500k to overclock it because that's what the processor is for? If you're not going to overclock than you don't waste money on a K suffix processor.
There is no northbridge on LGA1155 motherboards. TMPIN temperatures are usually not important.
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My 6970 gets much hotter than 70C. Also my 2500k CPU gets hotter if I stress it a lot. Don't have my desktop here so not sure about exact values but I think my GPU has gone to ~100C.
Just reset GPU OC and see if it fixes the problem. The temp could just be a misread or so if you don't have any problems.
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Yeah, definitely seems to be the GPU overclock. I ran furmark for 30 seconds and recreated the splitscreen issue. So I'll redo my GPU overclock now that I have furmark.
But what about the mystery temperature? Should I not worry about it or what?
Thanks everyone, especially skyR, you are the tech support super hero! ♥♥♥
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Dont' worry about the mystery temperatures. They're usually just reporting random data from a missing sensor.
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You're right skyR... TMPIN1 seems to refer to the voltage transformer on most LGA 1155 boards ...well i guess temperatures up to ~120°C or even higher shouldnt be a problem than.
The K suffix not only unlocks the CPU - multiplier but also refers to the in-build graphic processor (Intel HD Graphics 3000), but i wouldnt recommend OC'ing w/o having an appropriate cooler (like the Scythe Mugen 2 Rev2 B for example).
Here i an example for a proper airflow-setup:
![[image loading]](http://extreme.pcgameshardware.de/attachments/168009d1260466432-kuehler-einbau-nh_u12_case_airflow_1.jpg)
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Heat is a problem. Make sure you have sufficient cooling. Motherboard heat sinks need air too, and a good bit of it.
Any temperature above 80 Deg C is a problem.
Reduce your overclock, start with GPU, then CPU. GPU's can be overclocked, but not nearly as much as CPU's and are much more sensitive too. GPU's usually are already near the limit of their performance IMO, you can sometimes squeeze out an extra 5 to 10 % but no more.
First, get cooling for your Mobo heatsinks. Intake and exhaust fans. Also try taking the side cover off the case - if you hear the fans slow (the sound pitch lowers) then you have a fan that is getting insufficient intake.
so, get rid of OC on GPU. if problem persists, then reduce OC on CPU.
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K suffix doesn't refer to built in graphics.
The airflow in the picture looks far from optimal with that old case design.
Temperatures above 80C can be just fine.
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United Kingdom20322 Posts
On January 01 2012 08:22 Sablar wrote:
K suffix doesn't refer to built in graphics.
The airflow in the picture looks far from optimal with that old case design.
Temperatures above 80C can be just fine.
Doesnt 2600 have HD2000 graphics and 2600k have HD3000? I think that was true for atleast some of the K processors
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On January 01 2012 09:11 Cyro wrote:Show nested quote +On January 01 2012 08:22 Sablar wrote:
K suffix doesn't refer to built in graphics.
The airflow in the picture looks far from optimal with that old case design.
Temperatures above 80C can be just fine. Doesnt 2600 have HD2000 graphics and 2600k have HD3000? I think that was true for atleast some of the K processors
Oh you're right. It's still irrelevant much like the airflow part but didn't know that. Strange addition really since the non-K crowd are much more likely to want integrated graphics.
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The K suffix is used by both AMD and Intel to indicate an unlocked multiplier. It just so happens that all the Sandybridge K suffix processors also come with HD3000. It is by no means an indication for HD3000 because 2105, 2125, and several others have HD3000.
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EPT
