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VRM and MOSFET cooling necessary? - Page 2

post #11 of 19
I wouldn't advise overclocking a thuban on a 4+1 phase, its really not enough to o/c with. Your board won't last very long if you do.

especially on an MSI board, haven't heard too many good things lately.

However if you do get some heatsinks on the VRM's http://www.newegg.com/Product/Product.aspx?Item=N82E16835708011&cm_re=mosfet_heatsink-_-35-708-011-_-Product

and maybe a small fan.
Edited by tosh.0 - 1/8/11 at 7:43am
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post #12 of 19
Thread Starter 
Quote:
Originally Posted by KILLER_K;11936249 
I would say then possible your larger cpu cooler is providing some cooling to them then. If it is stable then no worries then. I always like to keep a mini infrared thermometer handy.
Amazon.com: Fluke 62 Mini Infrared Thermometer: Home Improvement

Though you can get them a little cheaper i like fluke's products.

I've been thinking of buying a cheap IR thermometer off ebay, I suppose I'll do that and then rethink overclocking if I think it's cool enough.
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post #13 of 19
Thread Starter 
Quote:
Originally Posted by tosh.0;11936271 
I wouldn't advise overclocking a thuban on a 4+1 phase, its really not enough to o/c with. Your board won't last very long if you do.

especially on an MSI board, haven't heard too many good things lately.

However if you do get some heatsinks on the VRM's http://www.newegg.com/Product/Product.aspx?Item=N82E16835708011&cm_re=mosfet_heatsink-_-35-708-011-_-Product

and maybe a small fan.

I know overclocking a thuban on a 4+1 phase isn't recommended but the cpu is 125W TDP and the board can go up to 140W TDP, and using the "Overclock my CPU!" part of antec.outervision.com (which is a bit crude I know), it looks like I could get a decent overclock and still remain under 140W TDP.
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post #14 of 19
Thread Starter 
Thanks for your help anyway everyone smile.gif
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post #15 of 19
Quote:
Originally Posted by ajw93 View Post
I know overclocking a thuban on a 4+1 phase isn't recommended but the cpu is 125W TDP and the board can go up to 140W TDP, and using the "Overclock my CPU!" part of antec.outervision.com (which is a bit crude I know), it looks like I could get a decent overclock and still remain under 140W TDP.
Overclocking on a 4+1 phase is fine. Like I said in my first post, you need to make sure the VRM heatsinks make good contact and it will be smooth as butter. I pumped 1.6v 24/7 on a DFI 790FXB-M2RSH running a quad and it had a 4+1 phase. That should be similar power draw to a Thuban with a pretty big OC.
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post #16 of 19
I had 2 MSI 770-G45 that blow up on a my by ocing a quad core on only 1.45v.
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post #17 of 19
Quote:
Originally Posted by dixson01974 View Post
I had 2 MSI 770-G45 that blow up on a my by ocing a quad core on only 1.45v.
And that's why you use heatsinks and have good airflow up by the VRMs.
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post #18 of 19
http://www.overclock.net/amd-general...x-multi-2.html

There is some chat about the same issue.

Dopamin3, currently i'm 1055T @ 4 GHz with CPU-Z 1.5 core voltage (on an Asus M4A87TD/USB3 mobo). I have a 120 mm fan that is directly on top of that VRM area. I have found no reports of Asus 870 series catching fire or melting. Do you think I will be alright? Really don't want to start changing boards.

Edit*http://hardforum.com/showthread.php?t=1559489 Not sure if you guys have read that. My motherboard does throttle itself when the VRM gets too hot, guess the MSI/Gigabyte 890GX ones don't.
Edited by HypnoZ - 1/12/11 at 4:36pm
post #19 of 19
just burned my VRM/MOSFET overclocking an P II x4 965 :/ its a MSI 770-G45 mobo. still works *hehe* used an old NB cooler and som ducktape and underclock the CPU to 2.850MHz
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