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VRM Cooling on an MSI 970A G43?

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March 29, 2013 1:37:45 PM

I recently built a budget system and went with the MSI 970A G43 board.

Everything is good, but I am wondering if anyone could recommend a good cooling solution to the VRM chips not having any type of cooling?

When I run Prime95 or other Benchmarking software it seems the temps on or around the VRM's are getting in the 80's

Any and all info is greatly appreciated :) 
March 29, 2013 2:21:12 PM

I have the MSI Interceptor Ravager case.

It has one 120mm in the front, one 120mm out the back.

I added one 120mm to the side and two 120's to the top exhaust for a total of five case fans.

The CPU is an FX-4130 OC'd to a steady 4.3Ghz with the Hyper 212+ with the 120mm fan.

My CPU never gets over 52c running Prime95 torture test.

It's just that one temp on the TMPIN1 that is making me worry.

Those individual heatsinks you linked me to. Will they fir the VRM chips on this board? there is a total of 20 chips. Basically 10 sets of 2 side by side.

I just don't want to buy the wrong item.

Thank you for your response :) 
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a c 138 K Overclocking
March 29, 2013 2:42:54 PM

The second heatsink is what is used mostly for the mosfit chips as it is a long piece with a screw at each end. You would get the one that matches your motherboard.

http://www.frozencpu.com/products/5557/vid-86/Swiftech_...

http://www.frozencpu.com/products/18209/vid-219/Premium...

There are a variety of heatsinks that can be used and you will have to get a measurement as to what you need to cover those chips. There doesn't seem to be a specific set for your motherboard as they will make heatsinks for the most popular boards and then the others have to use the all purpose ones that can be used for a lot of different chips. Most will come with thermal adhesive tape to stick on and you can also purchase it separately as you don't reuse thermal tape. I think the small separate ones in my first post will work for you.
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March 29, 2013 3:10:32 PM

inzone said:
The second heatsink is what is used mostly for the mosfit chips as it is a long piece with a screw at each end. You would get the one that matches your motherboard.

http://www.frozencpu.com/products/5557/vid-86/Swiftech_...

http://www.frozencpu.com/products/18209/vid-219/Premium...

There are a variety of heatsinks that can be used and you will have to get a measurement as to what you need to cover those chips. There doesn't seem to be a specific set for your motherboard as they will make heatsinks for the most popular boards and then the others have to use the all purpose ones that can be used for a lot of different chips. Most will come with thermal adhesive tape to stick on and you can also purchase it separately as you don't reuse thermal tape. I think the small separate ones in my first post will work for you.


Are you talking about the individual copper sinks in your first post?

Also.. I looked at that one piece unit and it isn't listed to fit an MSI board. But that doesn't mean it will not fit, either.

I wish I could get my hands on one to see what I am working with.

I am going to do some measurements and see where I am at.

Thanks again for your informative and helpful responses in such a prompt manner :) 

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March 29, 2013 3:21:41 PM



See the TMPIN1 temp? that one has me scratching my head.

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a c 138 K Overclocking
March 29, 2013 3:52:47 PM

I just did a Google search for Tmpin and found out that it could be a motherboard temp an not necessarily the vrm. There seems to be quite a few posts in other forums about this tmpin senser and some have even had it tied to a malfunctioning video card. When you get a chance do the Google search and look at Anandtech forums fot TMPIN0 and some of the other results for TMPIN1 and 2.
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March 29, 2013 4:12:48 PM

My graphics card is fine.

MSI 560 Ti 448 core OC power edition twin frozr

The temps on that thing are crazy low for air 33c at idle and maybe high 50's gaming.

I also run Afterburner and have a nice fan profile setup etc.

I just wonder if that's the VRM chips getting warm?
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March 29, 2013 4:16:19 PM

inzone said:
I just did a Google search for Tmpin and found out that it could be a motherboard temp an not necessarily the vrm. There seems to be quite a few posts in other forums about this tmpin senser and some have even had it tied to a malfunctioning video card. When you get a chance do the Google search and look at Anandtech forums fot TMPIN0 and some of the other results for TMPIN1 and 2.


Yeah I have Googled this like crazy and the only thing I can find that makes sense is it's the MB temp or maybe the sensor is close to the VRM chips? I dunno?

I just don't want to burn up my board over something silly.
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a c 138 K Overclocking
March 29, 2013 4:36:20 PM

There was one person that had suggested to get a can of compressed air and blowing it on certain parts of the motherboard to locate a particular sensor and thereby identifying where the temps are coming from. So the same may be able to be done with a small fan being placed at certain area's of the MB.
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March 29, 2013 5:07:56 PM

inzone said:
There was one person that had suggested to get a can of compressed air and blowing it on certain parts of the motherboard to locate a particular sensor and thereby identifying where the temps are coming from. So the same may be able to be done with a small fan being placed at certain area's of the MB.


That is a really good idea.

I may have to try that. Thanks again for your helpful input.
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