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Asus RT-AC66U FAN MOD help

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clyne

New Around Here
Hi there, im wondering if anyone has successfully managed to connect a FAN to the RT-AC66U PCB board in some way? I havnt found any examples of this anywhere, is it possible to find the pcb layout somewhere?

My RT AC66U case is already "moded" or more likely removed and replaced with a completly different mini-itx case and I have noticed that it is becoming very hot.
 
I too haven't run into that type of post either.

It may help to define what 'really hot' is for you. The chipset may very well be operating well within it's spec's.

What other components are you running in that mini-itx case that may be contributing to excessive heating up of the other components inside?

Are you using any case fans at all? I'm sure that is all that would be needed. Ideally, a two fan setup in a push/pull configuration is the most effective (use the biggest fans you can install for the quietest use).
 
I have no other components, at the moment it just runs bare on the ground without a case just for testing. I run lastest stock firmware at the moment so I can't really tell what the temp is. After i turned off FW logging blocked and DDOS protection feature things seem a lot cooler, but it might as well be my imagination :) The case ive got is a emko case that is completely punched with holes , just a small 40mm would work wonders; from previous experience with other passive cooling solutions in similar cases.

http://www.emko.cz/en/catalog/it-cases/mini-itx/mini-itx-standard/em-150-low-h3301
 
On the ground? Use a three or four erasers to raise it an inch or so for better air flow around the components.

Or, a single 140mm case fan would be effective and quieter too (with or without filter).
 
yes.. but my question is, can somebody tell me where i can solder the wires or fit a fan connector to the board?
 
Why don't you just get a USB fan and plug it into the USB port?

Or one better --

Get any decent 1A USB charger and plug the USB fan into that on the nearest power strip. Extra cooling and no additional strain/heat on the router.
 
thanks seems like a lot of ppl have gone with the USB solution.


The reason why I'd like to solder something on to the board is:
1. Cleaner look. no extra USB cables hanging around. perhaps i want to mod more builds in the future, dont wanna rely on USB all my life :)
2. Learn a thing or two about modding hardware.
3. Soldering is a much fun
4. I also thinking about replacing the reset and power buttons and extend these externally to my case front so I mos def need to learn more on how the board is built and what the possibilities.
5. Risk of producing defect hardware is exciting when you got nothing to loose and much to learn!
 
thanks seems like a lot of ppl have gone with the USB
I think most people are just after a cheap and simple cooling solution without having make permanent modifications to the case...

But if your motivation is for a fun project, then why not!

I don't have the same router as you so I can only go on the pictures posted here: (http://www.smallnetbuilder.com/wire...-band-wireless-ac1750-gigabit-router-reviewed). But I think, given the case you have, the most effective cooling would be achieved by mounting a small 40mm fan vertically at the back of the case so that there is airflow across the PCB. The fan could be powered from connector J1*, so no soldering would be required directly onto the PCB.

* It's not clear from the photo whether J1 is a pin connector or just solder pads.

Edit: Actually, thinking more about the case... I'm guessing that the rear opening is where all the RJ-45 and antenna connectors are going to be? Which could mean that the fan can't go there. If so, perhaps a slow speed 120mm fan mounted horizontally on the top on the case is the best option.
 
Last edited:
Goodmorning everyone. I have the RT-N66u router which is practically identical to the RT-AC66u. I had temperature problems that reached 58c in 5 Ghz and 55c 2,4 Ghz. I thought of sharing my solution with you. now the temperature is stable at a maximum of 48c 5 Ghz and 44c 2.4 Ghz. I used a fan from an old mini laptop and connected it to the router's USB.
https://imgur.com/wtsvdCW
This is the end result
https://imgur.com/362TVcA
(sorry my english i used google translator)
 
Last edited:
Goodmorning everyone. I have the RT-N66u router which is practically identical to the RT-AC66u. I had temperature problems that reached 58c in 5 Ghz and 55c 2,4 Ghz. I thought of sharing my solution with you. now the temperature is stable at a maximum of 48c 5 Ghz and 44c 2.4 Ghz. I used a fan from an old mini laptop and connected it to the router's USB.
https://imgur.com/wtsvdCW
This is the end result
https://imgur.com/362TVcA
(sorry my english i used google translator)

Thanks for your INput to the fan.
I have atm fans under the router to fan out the warming wind :p
 

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