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fusion0389
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June 09, 2017, 05:03:17 PM |
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Do we know when they will be releasing more APW3 PSU? I've got S9's coming my way in need of POWER!!!
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VentMine
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June 09, 2017, 05:30:22 PM |
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...Maybe they calculate more profit with this new regular pre-order style.
TBH, I'm thinking it has more to do with not further flooding the market (which would reduce current product value). But that's just my opinion (for what that's worth).  Genie do you think they might be deliberately delaying shipping to keep units out of the hands of BIP 148 miners? Seems unlikely to me, almost certainly a supply issue due to demand, but interesting to wonder about. |
1ESSdoVYKm8sNtYMfdkFBajhAe2e6G8keH
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ComputerGenie
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June 09, 2017, 05:32:00 PM |
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Genie do you think they might be deliberately delaying shipping to keep units out of the hands of BIP 148 miners? Seems unlikely to me, almost certainly a supply issue due to demand, but interesting to wonder about.
I think anyone that thinks up ideas like that needs to readjust their tinfoil hat.   |
If you have to ask "why?", you wouldn`t understand my answer.
Always be on the look out, because you never know when you'll be stalked by hit-men that eat nothing but cream cheese....
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fanatic26
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June 09, 2017, 10:30:53 PM |
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Do we know when they will be releasing more APW3 PSU? I've got S9's coming my way in need of POWER!!!
You dont have to run their PSUs, you can always source other options as many people on this site do. |
Stop buying industrial miners, running them at home, and then complaining about the noise.
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nexus99
Legendary
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Activity: 910
Merit: 1000
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June 10, 2017, 01:32:39 AM |
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If I can ever get the block chain to sync on my machine Ill be in for 1 or 2.
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ComputerGenie
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June 10, 2017, 01:56:16 AM |
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If I can ever get the block chain to sync on my machine Ill be in for 1 or 2.
If you're thinking about solo-mining, you'll need more than "1 or 2".  |
If you have to ask "why?", you wouldn`t understand my answer.
Always be on the look out, because you never know when you'll be stalked by hit-men that eat nothing but cream cheese....
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nexus99
Legendary
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Activity: 910
Merit: 1000
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June 10, 2017, 01:57:43 AM |
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If I can ever get the block chain to sync on my machine Ill be in for 1 or 2.
If you're thinking about solo-mining, you'll need more than "1 or 2". I'm not looking to play the lottery :-) |
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fusion0389
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June 10, 2017, 04:53:35 AM |
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Do we know when they will be releasing more APW3 PSU? I've got S9's coming my way in need of POWER!!!
You dont have to run their PSUs, you can always source other options as many people on this site do. Oh i know, i've got my share of 2kw psu with breakout boards. However, these units coming in will be hosted and i prefer to send them equipment that will is easily organized for their operation. |
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AriesIV10
Legendary
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Activity: 1260
Merit: 1006
Mine for a Bit
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June 11, 2017, 01:12:57 PM |
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COME ON BITMAIN - We know you are a business, We know you need cashflow, We know you are the only source, BUT please do not take our money an hold the product! We need the product. OVER 2 Months before delivery??
You don't need it, you want it. Setting that aside, pre-orders aren't a new thing in this world. Pre-orders are a shitty, cancer thing in this world. Period. ComputerGenie link: "I don't deny that, but there is a precedent for Bitmain doing it (and an extensive list at that); it's not like this one batch of 13.5's is where they 1st started doing this and it justifies this kid throwing his toys all around the room." -------------------- So you think that because there was a precedent, that it is correct/justified? haha What else do you apply this type of thinking to? |
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ComputerGenie
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June 11, 2017, 01:20:08 PM |
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So you think that because there was a precedent, that it is correct/justified? haha What else do you apply this type of thinking to?
Yes. Just trivial things like the entire legal system of most "civilized" nations since before Latin was a "dead language". |
If you have to ask "why?", you wouldn`t understand my answer.
Always be on the look out, because you never know when you'll be stalked by hit-men that eat nothing but cream cheese....
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GMPoison
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June 11, 2017, 07:04:13 PM |
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If I can ever get the block chain to sync on my machine Ill be in for 1 or 2.
If you're thinking about solo-mining, you'll need more than "1 or 2". I'm not looking to play the lottery :-) At what point does solo mining become worth it, when you can generate at least 1 block per day? For Bitcoin you would have to have a ridiculous mine, but for something like Litecoin that's achievable by spending less than $40k on gear. |
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ComputerGenie
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June 11, 2017, 07:19:46 PM |
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...At what point does solo mining become worth it, when you can generate at least 1 block per day?...
At the point where your revenue covers your expenses without you being out of pocket (i.e., if you have a $2,900 monthly electric bill and BTC/USD is $2,900, then you need no less than 1 block per month just to cover your electric) and then the profit margin you want to have on top of that. |
If you have to ask "why?", you wouldn`t understand my answer.
Always be on the look out, because you never know when you'll be stalked by hit-men that eat nothing but cream cheese....
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GMPoison
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June 11, 2017, 07:35:24 PM |
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...At what point does solo mining become worth it, when you can generate at least 1 block per day?...
At the point where your revenue covers your expenses without you being out of pocket (i.e., if you have a $2,900 monthly electric bill and BTC/USD is $2,900, then you need no less than 1 block per month just to cover your electric) and then the profit margin you want to have on top of that. Well I don't know if you've looked up the profits that the Antminer L3+ will bring when it ships out August, but right now they give you a 45 day ROI which of course you know is INSANE. So you're saying that as soon as you have your mining equipment payed off (you hit ROI), you should start solo mining? It sounds like you're saying you should solo mine as long as you're mining at a profit ($2000 on electricity, $3000 in LTC for $1000 a month profits), but that wouldn't make much sense, no? That would mean everyone would always solo mine. |
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matscol
Newbie
Offline
Activity: 49
Merit: 0
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June 12, 2017, 01:58:19 AM |
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The temperatures reported by Bitmain's MinerTool on a full network scan are *very* different from the temperatures reported by each miner individually by checking its internal ip addy with a browser. Does anyone know whether one set of numbers is closer to accurate than the other?
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-ck
Legendary
Offline
Activity: 4144
Merit: 1637
Ruu \o/
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June 12, 2017, 08:37:48 AM |
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At what point does solo mining become worth it, when you can generate at least 1 block per day? For Bitcoin you would have to have a ridiculous mine, but for something like Litecoin that's achievable by spending less than $40k on gear.
I would suggest that unless you are doing it for gambling reasons (like all those mining on my pool) being able to mine 5 blocks on average per diff change - this would circumvent the potential losses of diff rising and you not finding a block in the previous diff. At current diff of 678G that would be over 10PH now... |
Developer/maintainer for cgminer, ckpool/ckproxy, and the -ck kernel
2% Fee Solo mining at solo.ckpool.org
-ck
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matscol
Newbie
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Activity: 49
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June 12, 2017, 05:48:47 PM |
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Kinda wish somebody had some insight into my temperature question instead of all this semantic nitpicking, but oh well.
Two checks run, looking at the same unit at the same time, in peak late afternoon/early evening heat:
Report from MinerTool: 78|68|73
Report from IP: 88|70|75 (93|79|87)
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ComputerGenie
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June 12, 2017, 05:53:43 PM |
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...Two checks run, looking at the same unit at the same time, in peak late afternoon/early evening heat:
Report from MinerTool: 78|68|73
Report from IP: 88|70|75 (93|79|87)
It's likely that they are coded to get results through different methods; Bitmain isn't exactly known for quality, consistent coding. |
If you have to ask "why?", you wouldn`t understand my answer.
Always be on the look out, because you never know when you'll be stalked by hit-men that eat nothing but cream cheese....
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-ck
Legendary
Offline
Activity: 4144
Merit: 1637
Ruu \o/
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June 12, 2017, 11:24:09 PM |
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Developer/maintainer for cgminer, ckpool/ckproxy, and the -ck kernel
2% Fee Solo mining at solo.ckpool.org
-ck
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edonkey
Legendary
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Activity: 1150
Merit: 1004
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June 13, 2017, 03:13:53 PM
Last edit: June 13, 2017, 03:51:00 PM by edonkey |
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So a couple of weeks after ROI'ing, one of my S9's has lost a hash board. It was showing all x's this morning.
Restarting and rebooting hasn't resolved it. Now it just shows a partial view of the dead ASICs:
xxxxxxxx xxx
I guess I should consider myself lucky that I've only lost a single board, and that it got to ROI first.
Probably no point in repairing this unit. Maybe I'll sell it and get something else (like an eBit).
For now, I've returned the unit to standard clocking (it's not an autotune unit). I had underclocked it because the board that is now dead was showing an inordinate number of hardware errors. No point in babying the that board now.
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Was I helpful? BTC: 3G1Ubof5u8K9iJkM8We2f3amYZgGVdvpHr
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captinkid
Newbie
Offline
Activity: 38
Merit: 0
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June 19, 2017, 04:17:51 PM |
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Lost another s9 board, this one had a lot of HW errors before it went, so at least I knew it was the next in line. Oddly enough it's hashing in my failed board miner at .4TH/s with 27 ASICS visible. Weird failure. I'll keep it powered for a week or so to see if it's condition changes, but it's not worth running as it is.
So far since last September (9 months ago)
Lost 3 R4 boards (out of 12 total) (One was resuscitated by reprogramming the PIC with a copy from a good board, one was repaired by BitmainWarranty, one is left as failed and won't be repaired)
Lost 3 S9 boards (out of 12 total) (One was repaired by BW, two are left as failed and won't be repaired.)
The low quality of their products does extend the ROI payback time quite a bit, so if your numbers are close to the line I'd suggest rethinking their products. A 25% failure rate in 9 months is far too high.
In hindsight, they seem to put a "bad" board into each miner to balance out the good boards. Once you weed out the bad boards and consolidate your good boards the remainder should do just fine.
Seems like Bitmain is happy to sell boards that normal companies wouldn't clear past any reasonable QC. by my estimate 25% of your boards are broken from the date they ship, and should have been rejected in the QC testing phase, if you're willing to accept that, then go for it.
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