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1647
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Bitcoin / Mining speculation / Re: When will Butterfly Labs (BFL) run out of money?
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on: May 12, 2013, 03:53:27 AM
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you can look that up on Wikipedia. estimates to produce a 65 nm ASIC easily run 2 to 5 million. if I had an rtl I could get the Avalon reproduced in less than six months, but that is not a very sophisticated chip.
Don't forget other business costs. Rent, salaries, accounting, employees, equipment, marketing, website.... the list goes on. |
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1648
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Bitcoin / Hardware / Re: Klondike - 16 chip ASIC Open Source Board - Preliminary
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on: May 12, 2013, 03:46:19 AM
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I have read the recommendations about avalon miners and found this psu: Seasonic Platinum 1000It seems to be a nice piece or work, you only need to put in the cables you need and it gets highest values in benchmarks. I think i will get one of these and hope it will be enough to run many or all diy-miners. Maybe, if needed, with y-cables. Unfortunately this psu never is sold cheap at ebay... i have an email alarm since a month without results...  The PSU is arguably the best investment you can make. Don't cheap out. Well-regarded brands (Corsair, Antec, Enermax) are popular for a reason: they don't die under heavy loads. Most of these have multiple 12V rails you can use, rated to a certain current (say 18A). It'll be important to not overload individual rails. The Lepa 1600-MA is $288 at Amazon. I bought one. Four 30A rails, two 20A rails, 1600 watts total. 20mV ripple on combined 12V rails under full load with 87% efficiency (according to one review). Yeah, she'll drive a lot of boards nicely  |
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1650
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Other / CPU/GPU Bitcoin mining hardware / Re: Got 18x6870 - Need Advice on MOBO/PSU/Risers
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on: May 11, 2013, 07:25:51 AM
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Whaaaat how did you get an order in??? As far as your questions, 4gb of ram should be fine. I have 6950's and they use 500mbs each. That x 6 = 3gb which should give you a little left over for your operating system. If you want to stick to one PSU, your looking at something like this: http://www.newegg.com/Product/Product.aspx?Item=N82E16817494006 They actually have it on Bitcoinstore for a little cheaper + free shipping. Just note that you will need to use 2 molex to 6pin adapters, because that psu only has 10 pcie connectors. Motherboards, there are threads on here discussing good mining mobos+mobos that can hold 6 cards. You might be able to find some good stuff in there. Amazon has the Lepa G1600 for $288. Just in case |
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1652
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Bitcoin / Hardware / Re: Klondike - 16 chip ASIC Open Source Board - Preliminary
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on: May 11, 2013, 05:44:07 AM
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When I have a prototype I'll attach some test heat sinks and see what works best, and test with the new IR thermometer gun that some kind member here bought me. I'd like to add... if there's anything you need, please let us know! I'm sure it's the least we can do for the time you're putting in. |
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1659
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Economy / Speculation / Re: While volume is sinking in the middle of the week
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on: May 09, 2013, 08:24:23 AM
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Then there is the difficulty/price correlation. The more miners, the higher the difficulty, the more secure the network, the more likely Average Joe will buy coins. ASICs will burst onto the scene this summer and if this correlation is true, price will go up.
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