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Mining cryptos with eGPU  

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Sky11
(@sky11)
Reputable Member
Joined: 4 years ago
 
Posted by: itsage

@Sky11 how can one tell if a GPU was used for crypto-mining? I would imagine once this rush is over, there will be a lot of cards become available on the used market. There has to be a inspection procedure for warranty purpose, right?

Honestly I do not know. From my CPU overclocking experience I know that after years of running with OC, it is becoming harder for CPU to retain the high clocks and I had cases where I had to reduce OC to regain stability.

I am just guessing that running a battery of stress tests for extended period should help to determine if a specific GPU has issues or not.

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

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Flint Ironstag
(@flint-ironstag)
Estimable Member
Joined: 4 years ago
 
Posted by: itsage

@Sky11 how can one tell if a GPU was used for crypto-mining? I would imagine once this rush is over, there will be a lot of cards become available on the used market. There has to be a inspection procedure for warranty purpose, right?

There's no way to tell by visual inspection (other methods, maybe - would be interesting to X-Ray) without at least partial disassembly.  The market has gone through this before - you'll see a glut of 480s and 580s on eBay later this year.  They will be sold in lots for dirt cheap, as once the crypto profitability window passes, they become obsolete (to miners).

Still, if you have risers or a couple of eGPU enclosures sitting around, these old crypto cards can be useful in the right situation.  Say you have an old box that needs some rendering punch;  a pair of 580s for a couple hundred will add some 11 TFLOPs of pep.  Not a bad boost if your apps can use it.

MP 6,1 | 4c | d700
MP 6,1 | 6c | d500


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jdc3
 jdc3
(@jdc3)
Eminent Member
Joined: 4 years ago
 

I wasn't able to figure out how to do GPU mining on the Mac side (not supported but some pretty elaborate workarounds) but bootcamp into Windows 10 was pretty straightforward.  Download Geth and install (there is an executable now for Windows.)  Download and unzip Claymore's most recent Miner (9.6 as of this post).  Pick up from step 9 from here ( http://www.cryptobadger.com/2017/04/build-ethereum-mining-rig-windows/), since you probably have resolved all the driver issues by now.  Then make the .bat file (step 10) making sure to put in YOUR wallet address.  You'll be mining in seconds.  Started just after noon today, as of 730, I have 0.0042 Eth, for a grand total of $1.10 at $257 per Eth.  But that value is falling so it's likely closer to $0.8.  Probably spent 2 bucks in electricity but it was a curiosity more than anything else.  Hash rate is about 32Mh/s on the 1080 Ti in an Akitio Node, which is good for a single GPU, as far as I can tell.  There are folks running dozens of GPUs in mining farms that generate Gh/s rates. Consequence: GPUs just got harder to come by.

Oh, in step 10 where you create the .bat file, the script shows it pointing to the ethermine.org pool of miners.  You can just substitute another mining pool if you'd like.  I created two .bat files, one pointing to ethermine.org and the other points to nanopool.org.  Both work about the same in terms of hash rate, about 32Mh/s with a 1080 Ti. Quick search shows most folks have a favorite  mining pool.  YMMV.

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

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Flint Ironstag
(@flint-ironstag)
Estimable Member
Joined: 4 years ago
 

@jdc3, in your research, did you find anything (cryptocurrency) mac friendly and profitable?  Got a couple of idle nMP with d700s.  I'm at a hotel for several weeks, so free electricity - wonder how they'd do?

MP 6,1 | 4c | d700
MP 6,1 | 6c | d500


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jdc3
 jdc3
(@jdc3)
Eminent Member
Joined: 4 years ago
 

I haven't.  For me, it's just a curiosity so I'm not going to be doing this for long. I'd like to understand the blockchain and associated algorithms a bit better. If this is going to be a true currency without fiat, I'd like to have a handle on where the "full faith and credit" part comes from. To be honest, I'm already getting a bit tapped out. I looked into Pascalcoin, which claims to be "user friendly, not just for geeks".  Pretty sure I'd fit either category and it's damn sure not user friendly in any sense of the term I've ever seen applied. In fact, it was easier to figure out Ethereum than Pascal.  But with all the others, Zcash, Sia, blah blah, it's catching lightning in a bottle. If you time it right, sure you could make money ... and probably a lot of it.  Lots of people make money in the casino too, but most lose. I'm in it for the experience and happy to break even.

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

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jdc3
 jdc3
(@jdc3)
Eminent Member
Joined: 4 years ago
 

I should clarify that I have the Dual Miner from Claymore mining PascalCoin, I just can't get the Pascal Miner from nanopool to locate the eGPU.  Problem with running the dual mining option is it slows both down. Claymore can run Eth by itself, but not Pascal or Sia by themselves - at least as far as I can tell.  If you want to mine either of those exclusively, you need to go through their respective miners.  I tried with Pascal and it always defaults to the Iris when I select one device to use. If I select two, it will use the CPU as well.  If I select 3, miner aborts claiming there aren't three devices. And you can only identify a rig by number, i.e. rig 0, 1, 2 ...  On Claymore I think it searches until it finds either an NVIDIA or AMD card, then proceeds. I've hit the end though - curiosity satisfied.

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

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Solomon Rajkumar
(@solomon_rajkumar)
New Member
Joined: 3 years ago
 

Hi Rycco,

I am having Mac book pro mid-2011, I want to mine using egpu... can you please help me share me the details or guidance?

Thanks & Regards

Solomon

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

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