Bitcoin Forum

Hello folks!
Eventually I got my S7 shipped, set it up and started mining (PPC not BTC); but!
It's really noisy (I just didn't expect it will be SO noisy), and my place doesn't allow me to handle such noise. I'm living in appartment house (mansions or whatever, I don't know how to translate it properly), so there are a lot of neighbours around, and also it is quite annoying for me, because there is not much sq/m (about 60)
What am I actually thinking about (want to know your opinion and take some advice maybe):
To make a box 1x1x1m, put some sound isolating pannels inside of it on all 6 sides of the box (those pannels are used in sound recording studios http://img25.olx.ua/images_slandocomua/82363553_2_644x461_zvukoizolyatsiya-zvukoizolyatsionnye-paneli-2h1-m-fotografii.jpg), make 2 holes from 2 sides of the box for ventilation tubes (aproximately 15cm diameter) and point that tubes straight into the window. What do you think about this idea?
I think it can help significantly, but I'm not sure)  ???
Or maybe you can suggest any other ideas how to reduce noise?

Thanks!

You could always change the fans first for the same size but quieter. I think scythe do a kaze fan that fits. It doesn't push the same amount of air so temps may rise (you need to take into account ambient temp aswell) but it will be quieter.

Thanks, I'll research this way. But this also will destroy warranty immediately, that's also the point

Noise comes from the fans!
Change the cooling system and that will improve it!
Also:
1. try changing the fans and if not then change the cooling system for something such as water.
2. Putting the miner close to an open window?
3. Or host the miner at a family member's house and find a way to transfer elecricity to them)?
4. Pay for a miner hosting contract from a place like miningsweden.se (if they accept that)

downclock the freq from 700 to 500 and set the fans to 35%  or 40% if you put it in the tube

then buy this wait for link

https://www.homedepot.com/p/12-in-x-25-ft-Insulated-Flexible-Duct-R6-Silver-Jacket-F6IFD12X300/100182573

https://www.homedepot.com/catalog/productImages/400/01/01320a0c-e964-4554-a0f3-984756960ffc_400.jpg

here is  a mock up

https://i.imgur.com/1zFZXfI.png (https://i.imgur.com/1zFZXfI.png)

Wow! Great, thanks a lot! I'll probably try this)
Let me see is there such tubes available near to me)

You don't want one too long though. I tried putting ducting on an s4 I had and the temps actually increased as it didn't have enough power to move all the air in the tube.

Yes, I thought about this too. But I can always cut it) Anyway, I'll try it, this method seems to be good
And there is much difference in s4 and s7 design, where fans are placed, so I think ducting for s7 will be better than for s4

Totally agree about the design of them and obviously the fans are more powerful on the s7. It was just a bit of advice to take into consideration  ;) hope the ducting helps though. Don't forget to report back with your findings (including temps before and after).

Yes, I'm curious about temp changes too, hope it'll be fine
I'll report for sure)

it worked for my s-7's

and tube length does some times not let all air clear , but a pull fan at the end of the tube can help.

trial and error will be needed

Thanks, I'll take it into consideration

Best way would be to undervolt it with sidehack's mod. Then it would be almost silent.

I used the concept from philipma1957 - 3 separate ducts for 3 separate miners, then have some Y connectors to join them together.  Finally have a strong fan like this one:

https://www.amazon.com/dp/B0130ZAO20?psc=1

... to pull the air out and through a window.  Then cover up the ducts with a few more blankets.

Can't you just cut the duct into 2 pieces and attach to each end? Putting the miner instead could cause a large short since it looks like that material might conduct, or it might go on fire.

Can you please link or give me some details please, so I could understand clearly what do you mean?

Hmm... Isn't that fan making much noise pulling out the hot air?
I just have 1 miner, so I think there is no need in such a powerful fan

Seems a good idea, but I'm not sure about this, how will this affect noise level comparing to putting it fully in?

I've been in this situation. Best thing to do is put the miner or miners away from the window. I have 2 s7's and I used to place them right next to the window with a fan blowing air directly out of the room. I noticed that it was really loud when I would listen to it from outside. Put the miners at the far end of the room, next to the door and you will notice that the noise will be a lot less than before if hearing from outside. good luck

you can also try putting the frequency to 525-600 with fan at 70-80% you gotta play with it a little.

Thanks for your advice! :) Tomorrow I'll buy the duct, and the only place I can put it is my balcony, so I don't have much choice) I'll play with freq/fan speed and compare results for noise/temp

search for the sidehack s7 hacking thread. You however need to buy some microchip programmer dongle. So try the tubes first and let us know if it makes a difference.

I like the insulated duct idea but will the whole S7 fit inside it? Also is it a fire hazard if its inside and gets too hot? Let us know how it goes OP, and please update with pictures. Thank you.

yes he can do that

                         Psu
                        V
____________  V  ____________
                        V
                        V
out<<< Miner--Pcie----Miner <<<<in
___________     ____________

Above would be fully cut tube  1 miner

he may find  two tubes work     first tube  3 feet       second tube 6 feet   both tubes go  over the miner  up to the pcie wires.

I have done all those methods  along with an small down clock of freq  and dropping fans to 40 or 50 %

So, I've performed ducting and noise reduction is pretty good
Firstly, I want to mention, that my tube is different from what Philipima1957 advised me. Its' isolating layer is thin (actually I expected it would be twice or triple thicker - 2.5cm), so tube itself didn't reduce noise much, but I covered it with 3 blankets and then it was a significant noise reduction, so now I'm in the room next to miner and I don't hear it at all, working on 100% :)

I placed miner and PSU fully inside the duct, cut a small hole in it for PSU wire
Pointed out of the duct into the window, so it is pulling air from room into the window (I've done visa-versa at first, but is was not a good idea)
https://s32.postimg.org/5v2xea4xx/tube.jpg
Not very esthetic, but effective :)

Now I run it at 700mhz freq and customized fan speed and temp results seems to be normal (as I was told by seller - 62-68d.cent. is ok)
https://s31.postimg.org/3p8kwau57/stats.png

It occupied one room but I don't use that room at all) Local temp in my apartment is ok, as it should be at summer, miner doesn't affect it now, and noise is not heard almost at all.

Question is - is 62-68 temp ok? Is that bad or not to run it on 100% in the duct?

The highest i've had my s7s is 70 temp, and when that happens I lower frequency down to 600-650 and leave the fan at 100% and it brings it down to 64-67. My miners stay around 60-67 all day, but when it sometimes reaches high 60's i will open the door that the miners are in and it usually drops it down to 62-64. I've had the miners for about 3 weeks now and no problems.

edit: saw your second picture, make sure to add a back up pool just in case the primary pool server goes down.

Thanks!
So my temps are ok, that's good
Yes, I'll add a back up pool, thanks for mentioning

Why not just put both tubes outside?

Wonder what your neighbours will think when they see that.

My main farm area with 16 s7's in it in summer runs 85-95F ambient and the miners routinely have run at 70-75C running full speed 24x7x365. Zero problems and they batch-1's through batch 16's.