That is just wrong on so many levels.  I support vendor interoperability! |
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Received a couple of packages in the mail yesterday all at the same time. Pulled an all-nighter, took today off, and by this morning had this to show: BF /w 16x H-cards in Spotswood rack: 374 GH/s @ 256W  6x AM blades in homemade rack: 75 GH/s @ 715W. These are the discounted old-style blades that were sold for 3.5 BTC each.  Extra M-board/Pi with 2x H-boards (47 GH/s). Note: The BFL Single power supply is the noisiest thing in the room.  |
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Nice calculator, a lot better put together than the x% jump forever the crowd now uses. I think it need a little tweek though, I think the next 3-5 increases with be larger than the last and then start tapering off fairly quickly. if possible add a % increase and # month increase to the calc. The flip side is that people now have to pull 2 or more numbers out of their asses to plug into the calculator in order to make a prediction. The model may conceptually be more accurate but requires a higher level of sophistication to operate correctly. |
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I hope Oct orders ship early and not at the end of the month. Order #45x here. Keep up the good work Dave. You should do consulting for BFL on how to run a proper business. You are a diamond in the rough.
This has been addressed a few times, it's still planned to be by the end of October on purpose, not by the beginning. Keep in mind that for example August full rigs commanded a $11,000+ premium over October ones so I think Bitfury will deploy as it was planned without damaging its highest paying customer base. This is exactly the same fair policy that other companies, such as KNC and Hashfast follow on purpose. Otherwise, if Bitfury manages to ship October orders by end of September, will Bitfury refund a portion of the premium to August customers? No, right? If anyone wants to receive product earlier, they need to pay the premium that corresponds to that time difference. Pretty simple. :p I think 400Gh/s for Aug delivery was 19kusd maybe I am wrong. $19,250 to be exact. The premium over Oct delivery is $19,250 - $8,000 = $11,250. Looks like we paid too much as it would take about 6 weeks to make up this premium. However, had the current difficulty turned out to be little lower the tables would have been turned completely. |
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this takes out middlemen who wanted to buy up a bunch of hw to resell it via ebay.
Good. They are no better than concert ticket scalpers. |
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My guess is that Bitfury is very skilled in analog chip design and the use of custom transistors, thus enabling him to handcraft a high performance digital chip using only 55nm. On the other hand the KnC/ORSoC people are probably more comfortable with using building blocks (standard cell, FPGA ports, etc.).
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The time to make quick ROI is certainly over.
However, the rate of difficulty increase will eventually slow down, though nobody really knows when. When that happens, it may be possible to continue cover the electric costs of ASIC mining and eke out modest earnings month after month for quite some time. Depending on price paid, efficiency and electric costs, you might just be able to recover the cost of the ASIC hardware and continue to make small profits mining beyond the break even point.
At least, that was what happened with GPUs. A few months of insane profits in early 2011, followed by almost 2 years of small profits.
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What are the chances of bring able to use a relay and connect the arduino to turning of the fuse directly? Connect all comps to the same fuse, and away you go.
30 computers with 2-3 GPUs each are like what, 150 Amps minimum? Good luck finding a cheap 150 Amp relay and a single outlet that can supply that much current. |
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12.5Th/s of BitFury being assembled per day
lol? There was a comment somewhere about the factory assembling 500 H-boards a day. Nothing about start date and end date though. |
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For a little over $1000 (10.5 BTC), you can currently buy the old model 13GH/s ASICMiner blade and have it delivered to your door in 2 days if you live in the US. I estimate that it would make back at least 5 BTC over 6 months but will probably never achieve ROI. I did buy this because I have a little bit of excess BTC that I don't want to hold or convert to USD.
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Looks like you yanked off some of the copper track or maybe even part of a via from the PCB. The PDU is simple so unless there is a short I think it could be repaired with bits of copper wire. You probably should ask someone else to do it, though.
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I will be getting a powered USB hub and a Wi-Fi dongle for the RPi for internet access, as I do not have any free ethernet ports and I'm not permitted to have a switch.
I think you'd be better off with a gaming adapter (ethernet port to WiFi) than trying to get some random WiFi dongle to work. |
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thanks for warning, i wanted to use them
Are you a buyer or a seller? If you are a buyer, you will not find a source than can beat localbitcoins for speed, reliability, and anonymity. If you are a seller, then you are always going to be the target of scammers, no matter where you sell, because bitcoin transfers are irrevocable. Even for sellers, though, I strongly recommend localbitcoins because the admins eventually respond to attempted scams of sellers. FYI, Tungsten and I are both sellers on LBC and we will continue selling on that site. I was a seller and I have given up advertising offers for exactly this reason. Now I just keep a look out of reputable buyers with reasonably good bids and sell to them. Of course when taking liquidity the price you get is never good, but I'd rather pay a little than have to deal with these scammers. |
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Any update on the version that can fit in a standard 19-inch rack? I'd be interested in those.
With the current version 2 of these can stand sideways vertically using 13U or 14U of height, but there will be is a lot of wasted space.
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Was this sent to a bank located in the US?
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I'm having an issue (sort of) in Win8x64 with CGMiner 3.3.1. CGMiner stops updating it's stats, and acts like it's frozen. Key commands don't do anything, and if I didn't know otherwise, I'd think it had frozen. It's still using CPU time, using network activity, and my pools keep getting shares, so I know it's working. It happened again today. I checked my miner tonight (~1am on the 1st), and it had frozen ~10:15am on the 31st. So it sat for almost 15 hours acting like it had frozen, but it was running all day. I minimized and opened it again, and now it's working just fine, and even showing the shares that should have been going by when it was "frozen". I'm assuming you're going to say this is a curses issue? I really have no idea I'm not a programmer.  Other than that issue, it's working great on my BFL equipment. Thanks!  I have also seen this happen with 3.3.1 on low-powered CPUs (Atom class) on both Windows 7 and 8. |
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Looks like the price of October 400 GH/s kits went up from $8K to $12K.
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64GB is a waste unless you're using software that can utilize it. I run a fairly resource hoggy CAD that can't burn up 16GB with Photoshop running in the background.
Ir you are looking for ideas, a data mining application build using SQL Server Enterprise with Full Text Search enabled will easily burn through 512GB of RAM and bog down 64 cores. |
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I was also one of the recipients of this mystery 0.001 BTC. It was sent to a p2pool mining address. Prior to this the wallet only contained "Mined" transactions. Now there is a dirty little mBTC sitting amongst my pristine unused coins  . P.S: Actually, I just realized that the wallet had already been "tainted" by a donation from Gavin to p2pool users made some time back, so I don't feel so bad. |
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But what I meant was Euros use 220v
Is Australia in Europe? I believe you meant to say that "foreign countries" tend to use 220v. |
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