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CPU SMP Folding VRM Stability - Page 2

post #11 of 23
I have to find a way to get a fan over the VRM in my new case (switch 810) If i set my radiator up in push pull intake on the top ( i have it push only intake now), the pull fans will be right above the vrm by less then an inch, do you think that will be enough?
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post #12 of 23
Thread Starter 

Post a pic if you can.

 

 


Quote:
Originally Posted by arvidab View Post


Yellow=VRM sinks
Red=Z77 chipset sink
The VRM's sinks should get some airflow from your CPU- and the exhaust fans, cooling those directly would need a small fan (guessing 40-50mm to be able to fit, see BWGs post).
Below you can see my setup, an 80mm fan sucking air into the exhaust 120mm: VRM cooling (Click to show)
Inside, disregard the fan-controller, I'll replace that once I get some parts (will be an adapter for SATA power with options for 12V, 9V, 7V, 5V and 3.3V for fan headers, will probably use 9V and 7V for this build). There's a 80mm fan sucking air from the VRM pointed at the exhaust fan, I hope it does it's job
 

 

The VRM heatsink you highlighted in the right of the motherboard pic only powers the IGP if I'm not mistaken?


Edited by BWG - 11/29/12 at 9:04pm
 
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post #13 of 23
Ive had an Antec 80mm spot fan blowing on my VRMs since I put my build together.

I actually got that advice from an ASUS Sabertooth X79 OCing video tut. Keeps my VRMs nice and cool.

Great thread BWG! Great advice! thumb.gif

Id throw you a rep,,, but you know how it is smile.gif
post #14 of 23
Quote:
Originally Posted by BWG View Post

Post a pic if you can.




The VRM heatsink you highlighted in the right of the motherboard pic only powers the IGP if I'm not mistaken?


Ill get a picture for you tommorrow. Im trying to find a way to do it without it standing out like a sore thumb. The switch 810 has a huge window and you can see everything. I could zip tie a small fan to the hoses, but that would just look stupid so im trying to avoid that, lol


My board doesnt have igpu but has heatsinks in the same spot above the board
Edited by labnjab - 11/29/12 at 9:23pm
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post #15 of 23
Quote:
Originally Posted by BWG View Post

Quote:
Originally Posted by arvidab View Post



Yellow=VRM sinks

Red=Z77 chipset sink

The VRM's sinks should get some airflow from your CPU- and the exhaust fans, cooling those directly would need a small fan (guessing 40-50mm to be able to fit, see BWGs post).

Below you can see my setup, an 80mm fan sucking air into the exhaust 120mm: VRM cooling (Click to show)
 


The VRM heatsink you highlighted in the right of the motherboard pic only powers the IGP if I'm not mistaken?

3/4 of the CPU VRM's on the top one and 1/4 under the right, assuming ASRock's 8+4 phase count (eight being CPU and four for iGPU) is correct. That's what it looks like to me anyways.
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post #16 of 23
Here is my board, is there anyway to get air to the vrm other then zip tieing a small fan to the hose. The more I look at it thats what I think I'm going to have to do



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post #17 of 23
For the more adventurous, replacing the thermal pads, between the heat sinks and VRMs, with some non conductive and non capacitive thermal paste can help a lot too.
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post #18 of 23
Thread Starter 
Quote:
Originally Posted by labnjab View Post

Here is my board, is there anyway to get air to the vrm other then zip tieing a small fan to the hose. The more I look at it thats what I think I'm going to have to do

 

I'm thinking 2 smaller fans for this setup would work and maintain astetic appeal. A 70 or 80 mm over the top VRM and a 2nd one over the left. You could possibly attach the top one to the rad screw holes. The right sized fan may wedge/sit in your left top cpu block screw. You could secure the second fans top right screw hole to this fans bottom left hole. The hoses would prevent it from moving if the 2nd fan is under them.

 

Let's do a quick paint example:

 

I got a little lazy, but the red line is a twist ties or something more appealing. I like twist ties because the can be removed quickly to clean.

 

 

1000

 

The fan would be under the tubes of course, and the left fan actually could be attached to the rear exhaust fans hole.

 

 

1000

 

 

Quote:
Originally Posted by Caleal View Post

For the more adventurous, replacing the thermal pads, between the heat sinks and VRMs, with some non conductive and non capacitive thermal paste can help a lot too.

 

Can you provide some TIM examples that meet those suggestions? I've used AS5 and MX-4 and those seemed to be worse than the pads, but I didn't have a temp reading on them, just felt hotter to the touch.


Edited by BWG - 11/30/12 at 7:15am
 
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post #19 of 23
so it looks like almost every motherboard puts something over the VRMs. do they actually help cool them are are they just a way to make the board look better by hiding ugly stuff under those things?

the ones on my mobo are plastic i think. i stuck my hand in and touched the 2 VRM covers and the z77 chipset sink.

the VRM covers near the cpu are barely warm to the touch. the z77 chipset near my gpu felt very warm but not like super hot or anything
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post #20 of 23
Thread Starter 

Yes, they are simply for design. They hinder airflow to the actual heatsink. I would carefully remove them so they could be re-attached in the future for RMA or re-sale of the board. OC more tongue.gif

 
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Windows 10 Pro Vizio 58" 4k Logitec Wireless Coolmax 600w 
CaseMouseAudio
Antec 300 Logitec Wireless Realtor HD Audio  
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HDPC
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CPUMotherboardGraphicsGraphics
AMD Ryzen 7 1700x Asus Prime X370-Pro MSI Hawk Ek GTX 1070 MSI Hawk Ek GTX 1070 
RAMHard DriveHard DriveHard Drive
EVGA DDR4 3200 Kingston SSDNow 120GB WD Green 2TB WD Black 2 TB 
Optical DriveCoolingCoolingCooling
Samsung DVDR Ek Supremacy Evo Blue Edition XSPC RX360 Radiator Swiftech MCP 655b 
CoolingCoolingOSMonitor
EK XSPC Dual Bay Reservoir Windows 10 e-Machine 23" 
KeyboardPowerCaseMouse
OCN Ducky DK9008 G2 Keyboard PC Power & Cooling Silencer 750W Antec Lanboy Air Logitech G400s 
Audio
Realtek HD Audio 
CPUMotherboardGraphicsRAM
Intel i7 2600k Asus Sabertooth P67 EVGA GTX 770 G.Skill Ripjaws X 
Hard DriveCoolingCoolingCooling
Kingston SSDNow 120GB XSPC Rasa Acetal XSPC Pump/Res  Ek GTX 770 
OSMonitorKeyboardPower
Windows 10 Pro Vizio 58" 4k Logitec Wireless Coolmax 600w 
CaseMouseAudio
Antec 300 Logitec Wireless Realtor HD Audio  
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