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How to: Cut a chipset heatpipe.

post #1 of 15
Thread Starter 
This is a guide to cutting any heatpipe on your board or cooler, in particular here the NB chipset heatpipe on the Asus P5N32E-SLi motherboard. It's necessary to either buy aftermarket memory/mosfet coolers from companies like Swiftech or Vantec, possibly the Thermalright HR-09. But, if you would like to keep the mosfet coolers... here we go.

Thanks to Dostoyevsky77 and USlatin.

1. I used a tubecutter called the "Imp". Place the pipe on the grooves and set it in with the dial, but do not tighten the blade right away.

I decided to leave most of the pipe and have it open. Squeezing will pinch the pipe shut and not let heat circulate out through the pipe.





2. Make a twisting motion a couple of times, making a groove all the way around the pipe. Then tighten a little and do the same thing. After a few repititons of twisting and tightening, the pipe will easily pull apart.





3. Lastly you want to keep from cutting your self. Grab a pocketknife and stick the pointed end inside the pipe. Twist the blade around inside too smooth out the end and shave off the jagged pieces of copper.

Hope this helps. Great way to keep your mosfets but get the advantage of active cooling. I replaced my NB stock cooler with a Jing Ting Forcetake.



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post #2 of 15
But cutting a heatpipe lets the gas escape, therefor completely destroying the purpose... Wouldn't this be really abd for the temps of your sb/volt regs?
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post #3 of 15
Quote:
Originally Posted by holtzman View Post
But cutting a heatpipe lets the gas escape, therefor completely destroying the purpose... Wouldn't this be really abd for the temps of your sb/volt regs?
lol i was thinkin the same thing. *** mate? you just defeated the purpose of the heat pipe.

EDIT: are you gonna make a thread about how to cut your brake lines on your car next?
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post #4 of 15
Actually since heat rises. The gases coming from the NB and or SB to the mosfet are not there anymore thus lowering the heat a little .
    
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post #5 of 15
Well it's only destroying the heatpipe that goes from the Northbridge to the mosfets. The mosfets still have a heatpipe connecting them, the heatsinks will be more than adequate. The only downside to this method is that is destroys the warranty on the board.
post #6 of 15
Thread Starter 
Turns out their is not gas. Dosty clarified this.

The heatpipe is really used to dissipate heat between the NB and the mosfet heatsink. Any gas contianed in the pipe would be neglible for temps compared to replacing the NB with a better cooler.

Noone's going to say how clean my case is? I guess my Mom wasted her time.
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post #7 of 15
Quote:
Originally Posted by slytown View Post
Turns out their is not gas. Dosty clarified this.

The heatpipe is really used to dissipate heat between the NB and the mosfet heatsink. Any gas contianed in the pipe would be neglible for temps compared to replacing the NB with a better cooler.
All heat pipes have gas. Otherwise.... it wouldn't be a heatpipe.
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post #8 of 15
Quote:
Convection: Heat Pipes
Heat pipes, which are small, sealed, and curved copper tubes, offer perhaps the most effective way to increase the thermal performance of a conventional heatsink at a reasonable price.

They are self-contained, phase-change cooling devices that take advantage of changes in heat to convert a liquid – called the “working liquid” – into vapor and then back again. When a liquid changes phase to a vapor, the vapor absorbs heat, is transported away from the heat source, and then releases heat when it condenses back into liquid. The heat released is dissipated and the cycle repeats.

The easiest way to explain heat pipes is to break them into three sections, the evaporator section, the adiabatic section, and the condenser section:
In the evaporator section, the working fluid is heated to its boiling point and converted into a vapor that travels along the adiabatic section and on to the condenser section
Because the vapor holds almost all the heat while moving from one end of the pipe to another, the adiabatic section is named for a process in which little heat is gained or lost
In the condenser section the vapor is condensed back into liquid form, the heatsink dissipates the released latent heat, and the capillary wicking surface returns the working fluid back to the evaporator section
SOURCE

So cutting the Heat Pipe probably ruined it...
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post #9 of 15
He's just cutting the heatpipe so he can use the MOSFET heatsink without the chipset, since he went to active cooling.
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post #10 of 15
Quote:
Originally Posted by slytown View Post
Noone's going to say how clean my case is? I guess my Mom wasted her time.
You had your mom clean your case? I have to clean my own room and sometimes my laundry!
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