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1  Bitcoin / Mining support / Antminer S9 troubleshooting? on: January 11, 2021, 07:23:02 PM
Hello Everyone.

I am just getting my feet wet in the mining process. To get started I snagged a couple of old S9's and built a small GPU rig. Just trying to get educated. Time for some education.....This morning I noticed that one of the S9's had stopped processing. One of the three "chains" was showing zero hash and my NiceHash monitor was showing no work. After a bit of poking around and a couple of reboots I was looking at the kernel log and see what may be an indication of the problem. Hopefully we have an Antminer Guru in the house.... Here is a snipet from the log:

Well...... I have lost my clipboard...... And, the last reboot cleared the log. The machine is running now....

I hate it when issues appear and then mysteriously heal themselves. I would rather find something broken and fix it. That leaves me with at least a little confidence that the problem is actually fixed. My sense of urgency has passed but I would still have someone look over my logs and let me know if anything is amiss. Any volunteers?  Smiley Smiley

Any input is appreciated.

S.

PS: Gotta love the Antminers this time of year. I can work out here without a heavy jacket now. Smiley
2  Alternate cryptocurrencies / Mining (Altcoins) / Separate power supply for GPU's? on: January 04, 2021, 12:07:51 AM
Hey Everyone,

I am building a GPU miner and decided well into the project that I was going to add a few more GPU's than originally planned.

Unfortunately I already have a power supply installed and I had to mod the case a bit to make it fit. I can't return it for a larger one.


I do have a 12 volt 40 amp power supply available. Could I run the power to the GPU's 8 pin connector from a second power supply without trouble?

What do you all think?

Thanks.

S.
3  Other / Archival / Change user name? on: December 29, 2020, 06:15:43 PM
Hey Everyone,

I signed up for the board mid 'senior moment" and wound up with my email  displaying as my handle.

I suspect that I will need help from one of the Mod's.

Can this account have the username changed or could you delete this account and let me create a new account with a safer username???

Yes, I am stupid.... Just in case there was any doubt...... Smiley Smiley

Thank you.

S.
4  Alternate cryptocurrencies / Mining (Altcoins) / Solar mining questions? on: December 29, 2020, 04:40:29 PM
Hey Everyone,

I am just getting started mining and looking hard at what I can do make  my mining as efficient / profitable.  As I pondered this I look out the window at 2.4kw of solar on the roof that is not currently being used.

Through the Winter I am  going to "replace" my electric furnace with mining gear.  Come Summer I will lose that leverage. 

I can add a grid tie inverter ($700) and offset the grid usage with the  solar as it is available. Or,  I can try setting up to only mine when the solar is adequate to support the miners.  I would need some manner of controlling the load (miners)  to shut them down at night.  Is there any scheduling capability in the common mining platforms?  I am looking towards a mix of ASIC and GPU miners.

Any thoughts on what would work best IRL?

Thanks

S.
5  Alternate cryptocurrencies / Mining (Altcoins) / Just starting out. Looking at Antminer L3+?? on: December 28, 2020, 08:33:00 PM
Hello Everyone,

I am just starting out with crypto mining. I have the parts and pieces coming for an entry level GPU rig (5x RX580) and I also want to tinker with SHA-256 mining with an ASIC.

I found some Antminer L3+ miners for $150 each. According to Nicehash They should be good for about $1.30-$1.40 daily.  It ain't much but six of them on a shelf lands me around $230+ a month net. That is enough to get me enthused.

I understand that if Bitcoin and other SHA-256 mineable coins drop significantly then the L3+ will not be profitable. I am an optimist to that end. I suspect a pull back in Bitcoin may happen shortly but folks a lot smarter than I am have told me to HODL through the pull back and Bitcoin may continue solid growth.

I have about 4-5 months left of "heater season". My primary heat is an electric furnace in the basement. If I turn the furnace off and heat the house with the heat generated by the mining rigs I will be getting "free" power for the near future. Hopefully six dated ASIC miners and a five gpu miner will aid me in purchasing more current mining gear.

I have been reading an listening to folks who know MUCH more about crypto than I do. Most of them are in lockstep saying that Bitcoin will continue to gain value over the long term. Guestimates that I have heard start at $80k by the end of 2021. I am not quite that optimistic.... We will see in time....

With the ability to leverage my heating power for several months along with 6x Antminer L3+ and 5x Radeon RX580 I would be hoping for the combination to bring me as much as $380 a month depending on coin value.

Hopefully the local Guru's here can advise me regarding my plan?

Can I rely on the profitability calculators to give me a reasonable estimate. Any reason not to start with the Antminer L3+'s?.

Anything else that you would recommend?

Thank you

S.
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