Topic: DragonMint T1 16TH/S halongmining.com - page 22. (Read 87857 times)

I am aware of only 2 ways to get in touch with Halong Mining.

(1) through its "Contact Us" web form: https://halongmining.com/contact-us/

(2) through its Telegram Group, which often receives postings by Halong's apparent principal, the pseudonymous Drak: https://t.me/dragonmint

The company is otherwise operating in complete anonymity to my knowledge.

Long term reliability could make the t1 better even if they don’t break often.

Of 22 s9 purchased from batch 1 up to last dec2017 I had about 10 boards and two controllers die.

Time wise that would be just under 22 months time.

So in 22 months if no boards die the t1 looks better.

Btw the t1 now has caused bitmain to offer more firmware control over your gear.

That came after ck did firmware here giving three speed settings and I mentioned that made the t1 a viable choice over the s9.

So all owners of s9s now have access to better firmware.  As of April of 2018.

I am sure those that use it won’t be donating to ck or Halong but fact is that is what happened.

No, it doesn't make it null and void. Efficiency is the most important factor in determining the profitability of the miner.


It will be interesting to see how competitive Halong can be with pricing going forward. With network difficulty and BTC price both being beyond prediction you can't make any accurate forecasts about how long it will take to recover capital expenditure.



That's funny as that was the point I was making to you:-

Does this mean that we won't see any significant efficiense improvement in near years??  Node size reduction is very difficult process, and may cost billions of dollars for the manufacture - like Intel.  If 10nm makes so little improvement over 16nm, than to make big improvement, they should launch let's say 5nm - which is impossible in near term.

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Moderator's note: This post was edited by frodocooper to remove nested quotes.

Hagg, per the HM website in the FAQ's:

"Q. I have 110v supply at home, is this suitable?
A. Not really. Miners operate more efficiently with 220-240v and mining farms step down their own electricity supply to 220-240v. If you have 110v supply you will either need to purchase a 1600W PSU rated for 110v from an alternative source, use two of our 1600W PSUs for each miner, or arrange the voltage supply."

I bought 2 PSUs per miner (5 miners and 10 PSUs). Would 2 HM PSUs per miner do the trick?

Thank you!

I did not know that! Well, crap. I'll investigate the earlier links you sent. Thank you for your help!!!

This term, "more than" is being used quite a bit about these miners, to justify it's shortcomings. To further the justification, the resident Bitmain Haters, ignore these shortcomings in a spiteful bliss. There's no changing their minds about it. 1 out of the 5 they ACTUALLY received, hashes near or slightly above spec, so it's instantaneously proven, to them, the Dragonmint is supreme. Nevermind the other 4, that have to be tinkered with, just to come close to the 1, with a efficiency loss. These consumers are oblivious, simply for the bragging rights of having this miner. <-------insert face palm here!!!

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Moderator's note: This post was edited by frodocooper to remove unnecessary whitespace.

Interesting article about Halong Mining from Cobra:

https://medium.com/@CobraBitcoin/i-think-halong-mining-is-a-scam-682e678928e6

- but Halong alredy replied in court, with proofs of miners delivery.    Cobra agreed he had been not right.  

You realize that the efficiency is so close that your arguement is null and void right?

At 10 cent power you are talking about a $5/month difference in power for similar hashrates and the Dragon costs literally twice as much to purchase new.

It would take the miner running 10 years for things to even out.


You need to look at the big picture and not at one small data point.

Well, I bought them for running at 16 th, not at 13-15 th..

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Moderator's note: This post was edited by frodocooper to remove a nested quote.

Just received my 5 units yesterday but no power supply. I opened a ticket to Halong and they quickly updated my order to partial shipment. However, no delivery date. This is frustrating because I don't know when I'll be able to run them. I used a bitmain PSU for testing one unit.

Work perfectly fine at 15.86 THS without firmware update and optimisation.

Now testing the autotuning function set at balanced. The average is at 15.50 THS.

Do you suggest the firmware update?

that is the biggest knock against them.

and the question remains  why won't  more pools add it the software is not that hard.

I know the answer to that for most major pools.

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Moderator's note: This post was edited by frodocooper to remove a nested quote.

And unlike the Halong Dragonmints, miners from Bitmain, Canaan's Avalons, and the eBits will run on ANY sha256D pool you point them at.

That doesn't change that these are more efficient than the S9 so will give you more BTC for every $ you spend on electricity. That's the only thing that should matter.

You can drive a car plenty hard without burning off the tires unless you have no clue how to drive. The guy burning off the tires is the one trying to overclock and burn up his units.


That being said its a big load of crap that you cant run these at advertised specs with advertised hash rate.

For all the knocking you people do on bitmain, the miners they sell hash at the advertised rates and have power efficiency within advertised rates.

The object is to make money not burn off expensive tyres for the sake of making some noise. You'll make the most money by running them at the most energy-efficient setting.

You would buy a lambo and drive it like a Skoda ?

Same reason why you don't floor it all the time in your car: efficiency and reliability.  As always, YMMV!

So you suggest to set them to efficiency ?

But why are you running a advertised 16th miner if you are running them at 13-15th ?

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Moderator's note: This post was edited by frodocooper to trim the quote from philipma1957.

http://ckpool.org/users/16yLHLoeyuCLPMXkVpC3gyrRYvwRGwjKJr

setting to performance is not a wise choice.


Miner 1 set to efficiency

{   "workername": "16yLHLoeyuCLPMXkVpC3gyrRYvwRGwjKJr",
   "hashrate1m": "20.9T",
   "hashrate5m": "16.4T",
   "hashrate1hr": "13.9T",
   "hashrate1d": "14.1T", --------------------- and about 1300 watts
   "hashrate7d": "49.2T",
   "lastshare": 1525873183,
   "shares": 341906266,
   "bestshare": 325769144.0,
   "lns": 28583918390.98017,
   "luck": 1.0,
   "herp": 28723026371.94339
  },


Miner 2 set to efficiency

{
   "workername": "16yLHLoeyuCLPMXkVpC3gyrRYvwRGwjKJr.1",
   "hashrate1m": "15.5T",
   "hashrate5m": "13.8T",
   "hashrate1hr": "13.1T",
   "hashrate1d": "13.3T", ------------------- and about 1280 watts
   "hashrate7d": "12.8T",
   "lastshare": 1525873176,
   "shares": 333194064,
   "bestshare": 392611794.0,
   "lns": 6326590818.692278,
   "luck": 1.0,
   "herp": 6338100635.641331
  },


Miner 3 set to efficiency

{
   "workername": "16yLHLoeyuCLPMXkVpC3gyrRYvwRGwjKJr.3",
   "hashrate1m": "20.4T",
   "hashrate5m": "17.5T",
   "hashrate1hr": "16.1T",
   "hashrate1d": "14.8T",
   "hashrate7d": "13T",
   "lastshare": 1525873184,
   "shares": 398015879,
   "bestshare": 165293179.0,
   "lns": 6333900650.355097,
   "luck": 1.0,
   "herp": 6362414262.233357
  },


Miner 4 set to efficiency

{
   "workername": "16yLHLoeyuCLPMXkVpC3gyrRYvwRGwjKJr.4",
   "hashrate1m": "18.2T",
   "hashrate5m": "14.8T",
   "hashrate1hr": "14.4T",
   "hashrate1d": "13.7T",
   "hashrate7d": "13.4T",
   "lastshare": 1525873184,
   "shares": 345179172,
   "bestshare": 323662901.0,
   "lns": 6692791107.986832,
   "luck": 1.0,
   "herp": 6680330436.925059
  },


Miner 5 set to balance it drops a board on efficiency

{
   "workername": "16yLHLoeyuCLPMXkVpC3gyrRYvwRGwjKJr.2",
   "hashrate1m": "19T",
   "hashrate5m": "16.1T",
   "hashrate1hr": "15.3T",
   "hashrate1d": "15.3T", -------------- pulls 1400 watts
   "hashrate7d": "8.13T",
   "lastshare": 1525873179,
   "shares": 385089579,
   "bestshare": 225511876.0,
   "lns": 2029606852.62518,
   "luck": 1.0,
   "herp": 2032193242.181918
  },

If you insist on performance   you will need a cooled room  70f or so and a bigger psu  like the delta 2400 watt or the hp 2450 watt.

Or do my settings  and get better results.

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Moderator's note: This post was edited by frodocooper to trim the quote from comby.