You can do this but you won't be able to keep any of the Bitcoins or Fiat money, its belongs to the University actually.
Read your Terms and Conditions or seek an advisor.
It was the director of the Department who approved this idea, why I figured it was legit.  But still get it in writing from someone who can authorize it that any income from it belongs to you and not the University. Better safe than sorry  I'd think that the dept head/director would be a position for that and if it later turns out that they are not authorized to do that - it's their problem not yours. |
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is that why 'you guys' 'hire' vietnamese slaves to do all the growing and then dust off the immature buds with ground glass/silica or whatever that shit is?
Don't know where you shop but that is some nasty shit ya must be getting. The apothecary I use (I have a a Medical users card) tests/screens everything they sell as any reputable supplier would do... We know exactly what we are getting. Also getting seriously OT here... |
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I think they are only selling big order to large private farms right now they have the technology edge for the moment and they are exploiting it
Their chips are having huge yield issues, I doubt they have sold any apart from the couple they made from their sample chips. The whole "batch 1 sold out" is a marketing gimmick. Yeah hopefully they will fix their chips and mass produce them with a low failure rate and start pumping out miners and have the price drop. Not a matter of "fixing their chips". The 16/14nm chip process node itself is the problem for EVERYONE going to those sizes regardless of what the chips are used for. Intel, nVidia, Samsung et al ALL have the same poor yield issues because the manufacturing process is still far from stable. This simple fact is why Bitmain took the safer route to just optimize their 28nm chips vs rolling the dice on the smaller nodes. Give another year or so and yields for 16/14nm *should* get better. Of course researchers/devs at the chip foundries have been saying that for a couple years now... I am confused are you saying there are two parts of these chips that are both 14nm making it 28nm, because these are 28nm chips, I wasn't aware that is how they worked. whoopsy  got thread confused with the LK groups one... https://bitcointalk.org/index.php?topic=1033676.msg12324684#msg12324684 you be right - these are touted as 28nm process, questions then would be is it 2 28nm process dies per-chip or one big one. On the correct note... 28nm node is stable and easy enough to be good for even some commodity-level quantities. If there is chip problems then highly doubt is is in the mfg end unless they contracted with a company in India (2 20nm fabs, better at 28nm, opened there in the last couple years) or something like that... |
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I think they are only selling big order to large private farms right now they have the technology edge for the moment and they are exploiting it
Their chips are having huge yield issues, I doubt they have sold any apart from the couple they made from their sample chips. The whole "batch 1 sold out" is a marketing gimmick. Yeah hopefully they will fix their chips and mass produce them with a low failure rate and start pumping out miners and have the price drop. Not a matter of "fixing their chips". The 16/14nm chip process node itself is the problem for EVERYONE going to those sizes regardless of what the chips are used for. Intel, nVidia, Samsung et al ALL have the same poor yield issues because the manufacturing process is still far from stable. This simple fact is why Bitmain took the safer route to just optimize their 28nm chips vs rolling the dice on the smaller nodes. Give another year or so and yields for 16/14nm *should* get better. Of course researchers/devs at the chip foundries have been saying that for a couple years now... I would expect bitmain is looking at R/D on lower nm chips. They have lots of money and people. They choose to release another 28nm which was the most profitable for them at the moment. They likely will do it until a competitor forces them to move to a lower NM. But I think they have the best of both worlds. Sell 28nm and work on r/d on lower nm for later on.... win win for them. Exactly. For now let others suffer through the 16/14nm birthing process and go for the interim best - optimized 28nm. Gives them at least another 6mo to play with lower node designs while the mfg process (hopefully) becomes more stable. |
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I have 2 and one of them does this every so often. It requires a power cycle to make it start working with both boards again. It only happens maybe twice a month or so, so not a huge deal but certainly annoying. I absolutely do check hashrate on my miners every morning and then several times throughout the day. I wish there was a way to make it correct remotely without a power cycle but I have not been able to.
I see, this is not the issue i have. At least, the board only drop for a few minutes at most, then get re-picked up. I hope my issue won't devolve in your issue :S. I mine in Kano and i use MMMonitor. <snip> It is worth noting that the newer ones also both have the newest firmware while my older ones have the Wed Apr 15 15:17:03 CST 2015 firmware. I've noticed this myself with s5 miners using newer firmware. Back flashed several to the April 2015 version and the dropouts from them seem to have stopped. Hmm. |
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I think they are only selling big order to large private farms right now they have the technology edge for the moment and they are exploiting it
Their chips are having huge yield issues, I doubt they have sold any apart from the couple they made from their sample chips. The whole "batch 1 sold out" is a marketing gimmick. Yeah hopefully they will fix their chips and mass produce them with a low failure rate and start pumping out miners and have the price drop. Not a matter of "fixing their chips". The 16/14nm chip process node itself is the problem for EVERYONE going to those sizes regardless of what the chips are used for. Intel, nVidia, Samsung et al ALL have the same poor yield issues because the manufacturing process is still far from stable. This simple fact is why Bitmain took the safer route to just optimize their 28nm chips vs rolling the dice on the smaller nodes. Give another year or so and yields for 16/14nm *should* get better. Of course researchers/devs at the chip foundries have been saying that for a couple years now... |
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call them and tell thm youre NOT growing marijewhuana
Or if you are in a state where it is legal and you have the state-issued paperwork for it, go ahead and tell them you are  |
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If you mean storing the cold wallets as 2D barcodes, we do have a laser-marker in-house that does them. Hmmm...
But now we're way OT.
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Systems we build are mainly for micro-machining ceramic substrates that circuits are built on. eg. scribing/cutting to size and drilling 10's of thousands of holes in them for vias. Single biggest use is for high -power LED manufacturing where the ceramic chips are heat spreaders/connections for the actual LED die. Around 75% of all the LED's you see for lighting were born on our systems  In-house we do metal cutting, welding and selective hardening. http://www.synchronlaser.com http://www.industrial-lasers.com/articles/2007/11/processing-ceramic-substrates.html |
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heh heh... I too up to a point have 'free power' at work. 15kW of it to be exact. Then again, I'm also a partner in our industrial laser business I set that limit to keep miner electric usage to just a very small part of our total energy usage so it is slushed into the general operating expenses Any more than that and yes I'd start reimbursing the company just to keep the accounting straight and IRS happy. |
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Folks.... Using conventional A/C is right out unless you have free power.
The math:
BTU/hr=Watts x 3.4129
1 Tonne=12,000 BTU/hr
So if your power load is 1kw you are pumping out 3412.9 BTU. That is how much cooling is needed just to balance out the heat from the miners! Throw in bringing the temps to below outside air temp and it gets worse... For most farms you're are talking insane amount of cooling needed.
Plug in your own load for the amount of cooling you need just to break even on the miners heat output.
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I'll just pipe in and say that out of 15 S5's I have 3 have been pulled from the main farm and put on the Group-W bench for misbehaving. With mine it started withing the past 3 months.
They also have a habit of dropping the same card every few days. With these sometimes a soft boot will cure it, most often take a hard boot. Only difference on my rapscallions is that looking at the non-fan end on 2 of them it is the card on the left and on 1 it is the right side card. The misbehaving ones range from batch -1 to batch-5. However, for each of the 3 it is always the same card.
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Cool. I'm on the COSMOL and also Mentor Graphics email lists so am very familiar with their offerings but so far have not needed to actually use them. Common-sense and Industrial usage overkill which assumes worst-case to rather be the norm suffices Schneider Electric is another with most focus on heat flow in the rooms (data center cooling) and power distribution. Witrebel, sent ya a pm re Schneider and yer Venezuela project. Anywho, if you have access to a seat in any of them then most excellent. |
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a bit late in the game but - on packaging... The rack mount format is great for aesthetics but -- most farms just place the miners on industrial shelving eg. https://bitcoinnewsmagazine.com/wp-content/uploads/2015/03/hashnest.png Just tossing that reminder out there. On bolting blades to the bottom of case: Will they be pan heads recessed in stamped dimples or tapered heads going into tapered holes? Can't have screw heads scrathing whatever is under the miner... For a mfg standpoint I'd use stamped dimples. Many (most?) sheet metal fabricators have presses/laser cutters that can do the blanking/dimpling/louvers/cutting all on the 1 machine. Dimples will of course raise the blades higher by around .125" or so... |
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Ja is rather OT from the mechanicals I guess. Figgered the connectors vid could apply to PSU backplane connections though, the debug maybe as alternate way to address chips And now back to regular scheduled programming. |
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You seen this about connecting hash boards via debug pins that are on them? https://bitcointalk.org/index.php?topic=889206.msg9902302#msg9902302It's a simple 3-wire serial port meaning that with a port-selection method of addressing the boards eg COM1, COM2, and such it could be translated with a multi-port rs232/USB switch(s). Hmm. Easy way to get away from a shared SPI com bus? |
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At high loads all server-style supplies get hot. Yes compared to a ATX supply they get quite toasty but they are designed for it and do not care.
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<snip> I do know the 1384 appears to be internally shunted to about 1.2V, which might be a deliberate design choice to keep current at least close to balanced in a failing sring so you don't end up blowing caps and catching things on fire.
It is a certainty that process variations will result in chips that have slightly different electrical operating specs. How much different - dunna know but it can be substantial ergo my hope that they are testing/binning for best matches in a string or at least the chip pairs. Nice of them to think of the need to clamp Vcore. Passive shunt using 2 silicon diodes or zener? |
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