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Yup, this is the last Bitmain product I'll likely buy. It earned around $50 (at current coin value) before it broke. Time it took diagnosing it, trying out repair parts sent, sending it back, then rediagnosing after it stopped working when I updated the firmware, and it now loses money if I turn it on. Loss: $1450. Zero option for a refund for a defective product, just wait out any period of profitability while they try to fix it (for what it's worth, their support people are actually pretty great).
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I only reversed the airflow   My temps at 750mhz: Before: 67-71° at 80% Now: 54-59 at 70% Is it possible that your fan had been set the wrong way from the factory? Can you confirm which direction the air flows now after you switched? And how about sound, did it change in any way (especially the pitch)? The fan used to suck air in, now its blowing out. Speed is about 1k rpm less. To avoid confusion, it pushed air in, now it is pulling air out, correct? |
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Guys it's pretty fast to just test it. If you won't, I will when I get home.
Some fan designs work better this way.
It works, i am seeing about 5 degree drop in temperature. Those readings are working against physics and definitely not accurate. Not necessarily. The difference between the efficacy of push or pull would be determined by the design and layout of chips/hot spots as well, not simply direction. |
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Not bad. 10x more profitable than gpus at the moment. Time for GPU miners to give up their gaming toys and play with the big boys. Hahahahahahaha, oh man, the snobbery in stuff like this rivals the windows vs apple crowd. |
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greyday; you can add ZEL to the ones that have forked. They did so a week or two ago, they are now on Zhash.
Done and done. Cheers! |
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Continuing to mine a coin that you are sure will increase in value is otherwise always going to be far more profitable than shutting your miner off.
Then its better to mine it with GPU, because its much more efficient than a B3. Sure, buying more gear is an option. So is building a custom FPGA farm. Or going back in time a few years and mining bitcoin, since we weren't talking about that either...  |
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soo its quite safe?
I've been running at 310 since I got the thing. SHOULD be fine, but keep an eye on your temps (note I am not endorsing, just sharing my experience). Been mining at 494, trying to keep the error rate down on bank 0. My avg hash is 287 kh/s. Are you banking the coin? temps always below 60 on the chip usually between 56-58 unless I close the door to that room. Yes. I've been mining ETN from the beginning and I've held everything. I like the direction they're taking, they're one of the few making efforts to be an actual usable currency IMO. |
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is there any way to mining on nicehash?
any setting or something?
getting lot of reject share?!!!
It's in the first post and has come up several times: like the A3 and X3, the Z9 is not supported by Nicehash. |
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Sure, but that's not what he/she suggested. The original post said unplug and wait until it has "its moment". Which mathematically makes no sense if you are sure that moment is coming (unless, again, you are selling daily).
If the miner is losing money then it makes sense to unplug it and use the money to buy coins instead. By mining at a loss and holding you're essentially buying coins above market price. Ok, two things here: !) what money? The electricity? Because if you sell the miner you have a limited amount of funds to buy coins, and no ability to mine them later. If you keep the miner to mine the coin later, then turning it off now makes no sense unless you aren't sure it will be profitable later. 2) I don't think you understand. If you mine 1 coin at a loss right now, and later that coin triples, if you held it you actually mined it at a profit, not a loss (plus your actual earnings, in the altcoin, will be higher now, since the difficulty will increase/rewards will decrease). It's only mined at a loss if you sell it before it gains value. So if you TRULY BELIEVE that a coin will eventually grow in value, turning off a miner makes little sense. If it costs me $0.50 to mine one Bytom that currently trades at $0.40 it would be quite stupid to continue mining. I could just take the $0.50 and buy 1.25 Bytom instead. Whether to sell the miner or not - that's a different scenario. If you really think that it will be very profitable to mine with it at some point in the future then perhaps it makes sense to switch it off and keep it for a while. However seeing that GPUs are much more efficient it's very unlikely that you would ever be able to mine more Bytom than you could buy right now with the proceeds of selling the miner. If Bytom moons, difficulty will moon too. In any case, mining at a loss doesn't make sense. Don't do that kids. Yes. If you spend that money on buying the coins, it makes more sense. That is, again, not what the premise was nor what I was replying to. And yes, of course on the selling the miner, but the whole premise of the conversation is that the coin will bounce back. As for the mooning comment, not necessarily, but that's a whole other conversation. My point was if you truly believe it will be profitable again based on the coin's value, then unplugging your miner doesn't make sense. If you prefer to buy it, then ok, but what I am saying is you are mining at the rate and value of the coin at the point you sell it, not at the point you mine it. In which case mining at a loss does indeed make sense (edit: or rather, can). Also if your difference is $.10/day, if you're buying the amount you would have mined it's only profitable if you buy a chunk of time's worth at a time, the fees will make the difference there. And if you use the heat for anything (like I do), then you're not really paying to mine as much as mining for heat, which you would otherwise have to pay for anyway. So my point is if you really believe it will be profitable in the future it mathematically does not make sense to turn off your machine unless you are planning to use the electricity money to buy that coin at that time (in some way where the fee costs work out to be profitable). Continuing to mine a coin that you are sure will increase in value is otherwise always going to be far more profitable than shutting your miner off. |
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Did your test deposit go through? BCI has had me sweating for the past week and i'm quickly losing confidence in it, but no other equihash coins i'm aware of look very promising to me. I refuse to mine ZEC because of the 20% dev fee.
I have zero confidence if their official pool is any indication. I'm mining on their official pool for weeks, since Supernova is not accepting Z9 on BCI pool and I have had zero issues, works absolutely fine, I'm sometimes even getting more than projected on whattomine, but that's just luck. Excellent! Myself, I received payment for the first about 13 coins I mined, then payments stopped. I stopped mining when my balance was around 34, stopped and made several attempts to contact them through their official thread here (I can't use Telegram, and that is the only contact option they provide). Had several separate conversations with them in that thread that all said either "use Telegram" or asked for info, which I provided, and then nothing. Crickets. PMed the guy I was talking with, even emailed him at the email in his profile, nothing. It's now been three weeks and that balance is still in their pool, so I decided to just give up on that coin. I hope you do well with it, sincerely, and I even wish them well, I don't want anyone to be scammed or lose out, and I still don't think they're a scam pool or it's a scam coin, but that level of lack of effort to work with people who have problems using their pool is just astounding to me, so I have no interest in that pool or their coin. As an update, was finally able to contact them via their discord. Apparently mine is an isolated problem that nobody knows how to fix (or what caused it) so they sent me the BCI that is still in the pool; as such, I moved them back to the working list as nobody else in the chat had heard of it happening before. |
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Well that is really interesting because AntPool mining address shows many more mined blocks: https://explorer.zcha.in/accounts/t1ZYZS6ynUDbvht7vH3dMiM3rsAJ1p6EGWCAre you saying that rewards from these blocks are not distributed to miners?  For overclocked Z9 you should be getting about 0.15 ZEC daily on average on our pool and majority of other decent pools. you are crooks Don't even try slush pool, they are real crooks, for 10 hours not a single block Explain how not finding a block makes one a crook please. |
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I thought you couldn't mine ETN with the x3 anymore because it forked? ? It forked back over a week ago. x3 mining back for sumo and etn. Thanks mate, why did they fork back though? They claim its because the network was sufferring and transactions were taking far too long and far too expensive. Their dev team is ambitious and has already made more progress towards being a viable currency than most altcoins. The extra hashrate of the ASIC community can only benefit them. That said, there are plenty of valid criticisms of the ETN devs as well. I like the project personally and support it, but to each their own. |
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soo its quite safe?
I've been running at 310 since I got the thing. SHOULD be fine, but keep an eye on your temps (note I am not endorsing, just sharing my experience). |
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Have you been banking it? Seems like its following BTC, down a bit. Even ETN is down to 9.47 a day. The price drop followed BTC.
Pretty much all coins follow BTC, that doesn't mean they are hold worthy. I'm not saying I think Sumo is a shit coin, I just think ETN is a better coin to mine. |
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Just a note--the wires on an APW3 aren't rated for splitters (though you MIGHT be able to use a splitter for the control boards), you will likely end up drawing too much power for the wiring. Add new lines to the PSU at the bar.
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How many zen/day people making on z9 now? Struggling to make 1 over last few days on 718 OC.
If it's taking several days to get to one, you should definitely change pools. I'm getting just under 1/day. |
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Nicehash now appears to be compatible with the Z9 Mini as well. I've been mining for an hour at 100% efficiency, will update if this changes.
Do they reward you in BTC? Cheers Yes, when working properly. But unfortunately I spoke too soon as my efficiency has now dropped to 20% Nicehash has officially stated that the Z9 is incompatible with their service. It would require a firmware update from Bitmain to change this, and based on the X3 and A3, that isn't going to happen. |
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In crypto mining there is _only_ short term because if you haven't made your money back in the first few months you are in the long tail and will never break even.
For any algorithm that hasn't gone ASIC, residual hardware value is paramount. A previous generation GPU will still be worth something on the 2nd hand market to somebody looking to build a gaming rig.
What do you envisage an FPGA to be worth on the 2nd hand market when it is no longer clearly profitable for mining? How many FPGAs have been through ebay in the past year vs. how many GPUs?
IMO realistic residual value potential of an FPGA needs a long, hard look in the cold light of day.
This is ABSOLUTELY wrong. People who started mining five years ago got their return on investment after 36 months so your argument is demonstratively false. There is no recent FPGA available on ebay because simply said only developpers buy them untill now and they need it and have no reason to sale them via ebay. They will sale them on specialized website or via forum of devs. True, but you're talking about almost entirely different industries, markets, and levels of difficulty/volatility between 2013 and 2018. They aren't really comparable on that scale. |
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Yes if you take 3 z9 mini and overclock them you can easily reach 40k. So is it 3 z9 mini glued together for the price of 4 or really 4 z9 mini?
More like 4 z9 minis glued together. Now overclock that. I'm pretty sure the z9 overclocked will do well above 40k It's the same chips. This isn't unexpected, and there's nothing wrong with it. The Z9 mini is a smaller version of the Z9, why are so many people having trouble with this? One is designed for the average user, the other for farms. |
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