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Overclock a 125 TDP CPU on a 125 Watt Motherboard - Page 3

post #21 of 37
Well with all the power saving options on then the mobo may surive for a little while. But stright up at 3.4ghz it will die fast.
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post #22 of 37
This is not very scientific, but it's better than nothing. smile.gif

Sure, you likely can lean on it ... a littte.

Leave the voltage alone! NO increases allowed!

Start a good stress test program. Now, find the MOSFET transistors and give them the finger test. (Ground yourself first!) If they are 'hot' and on the verge of painful, stop!

Keep cranking the FSB until you lose your nerve. wink.gif
post #23 of 37
... And make sure you have a fan blowing strongly over the MOSFETs and overall VRM area. Since the vast majority of heat generated by the MOSFETS is dissipated into the motherboard, airflow over the back side of the mobo also helps.
post #24 of 37
Thread Starter 
Quote:
Originally Posted by Geonerd View Post

... And make sure you have a fan blowing strongly over the MOSFETs and overall VRM area. Since the vast majority of heat generated by the MOSFETS is dissipated into the motherboard, airflow over the back side of the mobo also helps.

Hmmm... i thought all of my problems are gone now... so i have this 60mm delta fan from an old G4 . So i should mount this on top of my mosfets right? I'll do the touch test on Thursday when my parts arrive.

     
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post #25 of 37
I would like to thread-jack a little here because I have a similar issue and it seems less wasteful to tack on here.

I have this as motherboard: http://www.gigabyte.com/products/product-page.aspx?pid=3266#ov

It says phenom 2 x4 965 and even x6 1055 is supported.

I would like to run the x4 965 at 4GHZ. Do you all think the mosfets are up to task? This board currently runs a athlon 7750 BE at 3.1GHZ with no problems.

Thanks for your insights.
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post #26 of 37
Quote:
Originally Posted by bananapeal View Post

I would like to thread-jack a little here because I have a similar issue and it seems less wasteful to tack on here.

I have this as motherboard: http://www.gigabyte.com/products/product-page.aspx?pid=3266#ov

It says phenom 2 x4 965 and even x6 1055 is supported.

I would like to run the x4 965 at 4GHZ. Do you all think the mosfets are up to task? This board currently runs a athlon 7750 BE at 3.1GHZ with no problems.

Thanks for your insights.
I have the model that is below yours and so does M3TAl:
http://www.overclock.net/u/197970/M3TAl

M3TAl, via a P.M., claimed to run his C3 955 at 1.375 volts for 3.68GHz core speed and 1.3 volts for 2.6GHz uncore/C.P.U.-N.B. speed "for about 1 year straight", so I bet that you might be able to attain 4GHz depending on your cooling, but you would probably be safer running 3.8GHz.

What revision is your 965?

My 720 B.E. x4 seems stable at 1.375 volts (1.36 Windows load via CPU-Z) for ~3.222GHz core speed and 1.275 volts for ~2.215GHz uncore/C.P.U.-N.B. speed.
Edited by L4dd - 5/18/13 at 10:59pm
post #27 of 37
Quote:
Originally Posted by bananapeal View Post

I would like to thread-jack a little here because I have a similar issue and it seems less wasteful to tack on here.

I have this as motherboard: http://www.gigabyte.com/products/product-page.aspx?pid=3266#ov

It says phenom 2 x4 965 and even x6 1055 is supported.

I would like to run the x4 965 at 4GHZ. Do you all think the mosfets are up to task? This board currently runs a athlon 7750 BE at 3.1GHZ with no problems.

Thanks for your insights.

Support is one thing, optimal operation is another.

Forget about 4GHz, you need to ensure that the (bare) 'fets are properly cooled to run that 965 optimally on stock. Why? Because ideally, no 3+1 phase board has the capacity to run a 125W chip. I'd recommend getting VRM heatsinks or putting a small fan over the MOSFETS.
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post #28 of 37
I think you need to hold the part to check its revision. it's currently in shipping right now.

Although I feel safe just touching the mosfets to check for heat, and being able to turn it off quickly, this might be a poor purchase if I can't overclock it.
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post #29 of 37
Quote:
Originally Posted by PunkX 1 View Post

Support is one thing, optimal operation is another.

Forget about 4GHz, you need to ensure that the (bare) 'fets are properly cooled to run that 965 optimally on stock. Why? Because ideally, no 3+1 phase board has the capacity to run a 125W chip. I'd recommend getting VRM heatsinks or putting a small fan over the MOSFETS.
The Motherboard in question has 4+1 phases from what I am seeing.
Quote:
Originally Posted by bananapeal View Post

I think you need to hold the part to check its revision. it's currently in shipping right now.

Although I feel safe just touching the mosfets to check for heat, and being able to turn it off quickly, this might be a poor purchase if I can't overclock it.
If it has an M or a 125 watt T.D.P., it is a C3.
post #30 of 37
If I may interject:

http://www.overclock.net/t/946407/amd-motherboards-vrm-info-database

Your board is on the thread. It is listed as 125 watt not recommended for overclocking. In my experience that thread is golden. You can probably do a small overclock but don't try anything crazy. I have disobey that thread before on an x4 and paid the price. Seriously do NOT try for 4ghz on that board.
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