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Author Topic: Sixth alt coin thread I forgot to mod last thread.  (Read 78661 times)
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philipma1957
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November 15, 2017, 10:04:32 PM
 #1741

Just ordered 10 more boards

Phil did you test this board with 8 GPU's yet? Did you try with both AMD and Nvidia?

I've really been wanting to buy something like this : https://www.alibaba.com/product-detail/mining-machine-ETH-machine-4u-8xgpu_60708486305.html?

This is a bare-bones based on this motherboard, and would really speed up scaling/deployment for my new farm.

That is a slick case for the Onda B250.

In my GPU farm, we initially wanted to do a simple frame/case/chassis design like Genesis Mining but eventually adopted the open cage / open air approach to ensure best ventilation and easy maintenance, by just hanging GPUs with an S hook and zip tie to keep them in place -- all vents and blower pointed upwards.

My best observation is that ... if you are looking at 10, even up to 20, 30 rigs -- you might as rack them up, and have a controlled environment and use the casing/chassis and fans to redirect heat to create a hot air zone. From there use some form of a shroud/canvass to easily move air using blower fans (yunn6666 took this effective approach).

For my case, my group's long term plans in excess of 100 rigs (maybe 200 rigs if my 2018 cost analysis is approved by the group) and the open cage strategy was the simplest, fast-to-deploy and cost effective. All we had to do is have a cooling system for the entire warehouse. With Cryotonight and Equihash mining currently, we have successfully maintained the 32-33c overall temps for the farms.

I do have a crazy idea for the 2018 though - to standardize each rig 12 GPU at at time....

https://www.aliexpress.com/item/Crypto-Coin-Open-Air-Mining-Frame-Rig-Graphics-Case-ATX-Fit-6-8-GPU-Ethereum-ETH/32830718417.html?



Any takers?

I don't understand that case design.  Why are the GPUs shown mounted upside down?

FWIW, I'm also working on a frame and a case for the Onda B250 board.


Some thoughts  my knock-off colorful boards smells burnt.  I dropped watts and smell left.  That case of 12 is too closed and if you had 2 stacks of them good luck trouble shooting it.

The odna board seems better. 

 yeah the short first card sucks.

but here it is


using 6 1070's
and 2    1080 ti's

no smells of melting like I have by the knockoff










I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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November 16, 2017, 01:11:11 AM
 #1742


FYI: GPU0 - 1080 TI, GPU1 - 1070 Mini, GPU2 - 1080 TI  (GPU0 & GPU2 are the exact same 1080 TI make/model)

https://www.flickr.com/gp/157030813@N04/X4d99y

 You appear to have one of your 1080ti set for a MUCH lower TDP level than the other one.

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November 16, 2017, 01:35:28 AM
 #1743

back to my Avalon 741 problems.

I am using two power supplies which i had purchased from ParallelMiner.  Both show 12.4 on the break out board.  I have 3 cords from each break out board going into the Avalon 741.  So one side of the avalon has 3 of the power plugs plugged into power supply1.  The other side of the avalon has 3 plugs into power supply 2.  Should this be setup differently?

I have the raspberrypi usb mini cord plugged into a powerstrip.
The lights on my AUC3 converter are green.
The lights on the back of the Avalon 741 are green.



Any help is apprecaited.  I can check in avalon thread next if this all checks out...


Edit: both power supplies are plugged into an old power strip. Do you think it's not getting enough power because it's going through a crappy power strip. ?
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November 16, 2017, 02:58:51 AM
 #1744

Quote

That is a slick case for the Onda B250.

In my GPU farm, we initially wanted to do a simple frame/case/chassis design like Genesis Mining but eventually adopted the open cage / open air approach to ensure best ventilation and easy maintenance, by just hanging GPUs with an S hook and zip tie to keep them in place -- all vents and blower pointed upwards.

My best observation is that ... if you are looking at 10, even up to 20, 30 rigs -- you might as rack them up, and have a controlled environment and use the casing/chassis and fans to redirect heat to create a hot air zone. From there use some form of a shroud/canvass to easily move air using blower fans (yunn6666 took this effective approach).

For my case, my group's long term plans in excess of 100 rigs (maybe 200 rigs if my 2018 cost analysis is approved by the group) and the open cage strategy was the simplest, fast-to-deploy and cost effective. All we had to do is have a cooling system for the entire warehouse. With Cryotonight and Equihash mining currently, we have successfully maintained the 32-33c overall temps for the farms.

I do have a crazy idea for the 2018 though - to standardize each rig 12 GPU at at time....

https://www.aliexpress.com/item/Crypto-Coin-Open-Air-Mining-Frame-Rig-Graphics-Case-ATX-Fit-6-8-GPU-Ethereum-ETH/32830718417.html?



Any takers?


I've done 4U builds so I understand the controlled case design/fan direction to redirect heat, but this case is "open" and would seem to prevent that.  I don't see a top or a bottom cover, so hot air is going to be going everywhere.  Am I missing something or not understanding the design?  I would be interested otherwise, but I want a closed design more like a 4U case.

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November 16, 2017, 03:35:54 AM
 #1745

these long boards are perfect for liquid cooling....if you could centralize the pump and radiator per rig, that would be awesome.

a frame that can hold the board and cards and a radiator...like this.



and these rigs should be stackable

radiators can be customized, that's the key....

noise will be greatly reduced , the heat will be more manageable if you aligned all radiators and vent air through them out of the window 

 
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November 16, 2017, 03:59:48 AM
 #1746

these long boards are perfect for liquid cooling....if you could centralize the pump and radiator per rig, that would be awesome.

a frame that can hold the board and cards and a radiator...like this.



and these rigs should be stackable

radiators can be customized, that's the key....

noise will be greatly reduced , the heat will be more manageable if you aligned all radiators and vent air through them out of the window  

 

I am new at watercooling but you are correct.

I will post  more shots as  I went water block with mine

https://i.imgur.com/sqtIdlK.jpg
https://i.imgur.com/epXg1gB.jpg
https://i.imgur.com/NUCo3SF.jpg

https://i.imgur.com/a8zZ5AX.jpg

I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
TheYankeesWin!
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November 16, 2017, 06:00:07 AM
 #1747

these long boards are perfect for liquid cooling....if you could centralize the pump and radiator per rig, that would be awesome.

a frame that can hold the board and cards and a radiator...like this.



and these rigs should be stackable

radiators can be customized, that's the key....

noise will be greatly reduced , the heat will be more manageable if you aligned all radiators and vent air through them out of the window  

 

I am new at watercooling but you are correct.

I will post  more shots as  I went water block with mine









I set them to show
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November 16, 2017, 07:28:22 AM
 #1748

this one
 


reminds me of..



damn.. water cooled GPUs are messy..

centralized radiator is the way to go, when NVIDIA releases volta you don't need to hesitate getting the reference cooler, just prepare the water blocks, pump and radiator. you will be up and running full speed without waiting for third party coolers made by zotac, asus, etc.

I'm planning to build one, the hard part is getting the right customized radiator, the right pump, fittings, sizes etc..

multiplying x8 of that small radiator is a start to have an idea about the size of the radiator, but we can dissipate more heat from the GPUs if we make the radiator bigger.



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November 16, 2017, 09:45:05 AM
 #1749

they are quieter.  they hash better then air cooled.

I will get the messy one to look better.

I did try a custom 2 card block, but  lots of o-rings and my 60 year old double cataract eyes were barely up to the task. it does work

I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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November 16, 2017, 12:54:19 PM
 #1750

I'm getting the parts delivered for my Onda D1800 6x Vega56 build. Still missing a few.
I'll probably build a wooden frame for it all next week.

What would you guys say about the best way to vent these things? The GPUs will be pretty close... Will I fare better with leaving the rig "open-air" with a 12'' fan blowing at them from the back or should I enclose the rig and make a funnel (fans in the back to let cool air in, and let the GPUs exhaust at the front)?

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November 16, 2017, 02:26:46 PM
 #1751

IT is philipma1957 on cell phone. Are you using six blower style 1080ti?

This is a secondary account .
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November 16, 2017, 02:47:25 PM
 #1752

That case would be nice to have but holy crap I can build frames and buy shelving for far less and management is easier.

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November 16, 2017, 03:44:12 PM
 #1753

IT is philipma1957 on cell phone. Are you using six blower style 1080ti?
No, blower style Vega56.

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November 16, 2017, 03:48:14 PM
 #1754

IT is philipma1957 on cell phone. Are you using six blower style 1080ti?
No, blower style Vega56.

all the same hight correct?

I used to lay a 10 inch fan on  hd 7970's  back in 2012


right on top of them  with the fan pointed upwards

of course  this meant no rigs above it  but it works.

you may be able to use 2 of these

https://www.amazon.com/Bgears-140mm-High-Performance-Technology/dp/B00GX3MAO2/ref=sr_1_9?

with this
https://www.amazon.com/Silverstone-140mm-Filter-Magnet-FF142B/dp/B008N8GENI/ref=sr_1_18?

the 2 will move  about 200cfm  and cover  280mm across the six pieces   just blow air up  with fans forward  near the video ports


I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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November 16, 2017, 03:53:13 PM
 #1755

IT is philipma1957 on cell phone. Are you using six blower style 1080ti?
No, blower style Vega56.

all the same hight correct?
Yup. All Sapphire RX Vega 56.

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philipma1957
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November 16, 2017, 03:55:40 PM
 #1756

check  the links above

I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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November 16, 2017, 07:40:41 PM
 #1757


FYI: GPU0 - 1080 TI, GPU1 - 1070 Mini, GPU2 - 1080 TI  (GPU0 & GPU2 are the exact same 1080 TI make/model)

https://www.flickr.com/gp/157030813@N04/X4d99y

 You appear to have one of your 1080ti set for a MUCH lower TDP level than the other one.


Hey QuintLeo, thanks for the response.  I added a few more pics for you (or anyone) to take a look at.  I believe I have power settings set correctly... but as you can see in the Nvidia Powermizer pics, the one card is clocking significantly less.  

Also, I added a picture of the GPU stats in the terminal.  I notice 2 discrepancies from the bad 1080ti (GPU0), and the good 1080ti (GPU2).  Both the memory usage and gpu-util are higher than the others.  Does this mean something?

https://www.flickr.com/photos/157030813@N04/
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what is this "brake pedal" you speak of?


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November 16, 2017, 08:01:36 PM
 #1758

@phil

mobo is here, arrived perfect. you did a great job packing it.

now just gotta collect the odds and ends it needs. cpu, sodimm, some more adapters (6 pin pcie to molex/sata, already have a pico psu and 6 pin splitters). gonna run it off a sidehack 1200 HP server psu/breakout board.

and damn that thing is big Smiley
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November 16, 2017, 08:06:34 PM
 #1759

@phil

mobo is here, arrived perfect. you did a great job packing it.

now just gotta collect the odds and ends it needs. cpu, sodimm, some more adapters (6 pin pcie to molex/sata, already have a pico psu and 6 pin splitters). gonna run it off a sidehack 1200 HP server psu/breakout board.

and damn that thing is big Smiley

yeah  did I use the large flat rate game box with you?

I did most of the shipping with that box.

I mine alt coins with https://simplemining.net...
I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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what is this "brake pedal" you speak of?


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November 16, 2017, 08:09:47 PM
 #1760

@phil

mobo is here, arrived perfect. you did a great job packing it.

now just gotta collect the odds and ends it needs. cpu, sodimm, some more adapters (6 pin pcie to molex/sata, already have a pico psu and 6 pin splitters). gonna run it off a sidehack 1200 HP server psu/breakout board.

and damn that thing is big Smiley

yeah  did I use the large flat rate game box with you?

I did most of the shipping with that box.

i think so, its the biggest flat rate box i have seen.
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