Anyone have a spare $1,600? (F@H)

"Full of the sound of the Gran Fury, signifying nothing." (granfury) 04/22/2020 at 12:58 • Filed to: None

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One of these setups that I spotted on CL should vault us ahead. It’s not specified, but I’d guess that the price is for just one, not all of them. Then again, are these for sale or rent? With CL ads you never quite know what the person is trying to do.

Maybe I should contact him and have him join our team until he sells some of these.

Chesterfield? Of course it is. Then again, for all I know I may just be looking a picture of jkminer’s basement...

Brickman > Full of the sound of the Gran Fury, signifying nothing. 04/22/2020 at 13:20

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You can solve so much COVID-19 protein  folding with that

themanwithsauce - has as many vehicles as job titles > Full of the sound of the Gran Fury, signifying nothing. 04/22/2020 at 13:24

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gin-san - shitpost specialist > Full of the sound of the Gran Fury, signifying nothing. 04/22/2020 at 13:33

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How does one connect 6 GPUs to one system? Is there any mobo that even has 6 pcie 16x slots? 

Rusty Vandura - www.tinyurl.com/keepoppo > Full of the sound of the Gran Fury, signifying nothing. 04/22/2020 at 13:38

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I think that’s jminer’s living room.

Full of the sound of the Gran Fury, signifying nothing. > gin-san - shitpost specialist 04/22/2020 at 13:38

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There are special motherboards for this, as well as PCIe adapters. Since the processing is done on the card you don't need the full x16 bandwidth to hook up the card, just some way to connect it to the MB. 

facw > gin-san - shitpost specialist 04/22/2020 at 13:40

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I believe they are usually connected with 1x PCI-E electronically. There are boards with a bunch of 1x rate ports (even though they may have larger 16x slots), and also PCI-E multipliers.

For mining the PCI-E transfer speed isn’t a big deal. Hell for gaming it’s not usually a big deal either.

Here’s a mining board with 18 1x slots for example:

jminer > Full of the sound of the Gran Fury, signifying nothing. 04/22/2020 at 13:50

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I live in Jefferson County not one of those west-county yuppies :)

Also I dismantled and sold the parts from my last crypto mining rig in Decem ber...

6 GTX 1060 cards there that mostly cranked on various ETH algo coins for a few years.

On another note these rigs don’t actually fold particularly well. I have a friend that did merged folding (a way to fold for F@H while generating crypto) and folding is way more sensitive to PCIE bandwidth . All the cards above are running on PCIE x1-x16 ex tension cables so they only really fold at about half what they would otherwise.

My friend that did merged folding built his in badass 2u server chassis with all the cards mounted directly into x16 slots on x79 chipset mobos. Limits the number of cards you can run per board (with extenders like above I had 1 rig running 12 cards) but also allows you to give back to the scientific community while generating crypto instead of just generating crypto.

Full of the sound of the Gran Fury, signifying nothing. > Rusty Vandura - www.tinyurl.com/keepoppo 04/22/2020 at 13:51

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All concrete with outlets halfway up the walls? That's one ugly living room (although one I can appreciate...)

Full of the sound of the Gran Fury, signifying nothing. > jminer 04/22/2020 at 14:26

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Well, my x16 slot only runs at x4 which is why I moved my 1080 to the x8 slot. I’m wondering how much of an improvement I’d get if  I moved it to a different computer, one with a functional x16 slot.

jminer > Full of the sound of the Gran Fury, signifying nothing. 04/22/2020 at 14:32

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x8 might be enough it won’t matter for folding. I just know it has a problem when you shrink the bandwidth too far .

gin-san - shitpost specialist > Full of the sound of the Gran Fury, signifying nothing. 04/22/2020 at 14:34

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Ah I see! That’s really cool!

So if I understand correctly, since it’s not constantly transferring large amounts of   data (like with a video game) the GPUs can do all the processing without being bottlenecked by the PCIE x1 bandwidth?

I suddenly want all the GPUs to fold all the things...

Turbineguy: Nom de Zoom > Full of the sound of the Gran Fury, signifying nothing. 04/22/2020 at 16:35

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Please explain what a crypto minig rig is to a non-IT person. I’m guessing it has something to do with bitcoin? (another thing I don’t understand)

Full of the sound of the Gran Fury, signifying nothing. > Turbineguy: Nom de Zoom 04/22/2020 at 16:41

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You got it. It uses the processing power of graphics processing units (GPUs), which are much faster at specific tasks than the more general-purpose CPU in the computer, to ‘create’ virtual currency by solving complex mathematical problems. You’re trading electricity for this virtual currency, which, like real currencies, can vary in value. I don’t fully get it either, and it caused shortages and price spikes on GPUs a few years back when the value of Bitcoin started to rise.

Turbineguy: Nom de Zoom > Full of the sound of the Gran Fury, signifying nothing. 04/22/2020 at 16:48

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So bitcoin is a legit currency? 

Full of the sound of the Gran Fury, signifying nothing. > Turbineguy: Nom de Zoom 04/22/2020 at 16:58

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Yes, in a way, although in some places it’s treated as property rather than as currency. It all depends on the laws in various countries. But like anything, it’s value is only what someone is willing to pay for it.

https://www.investopedia.com/ask/answers/121515/bitcoin-legal-us.asp