AndrewBUD
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May 27, 2012, 12:04:38 PM |
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You can turn two seperate 15 amp breakers in to a 240volt source electricity is fun...
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| 365 | TM | | | | EZ365 is a digital ecosystem that combines the best aspects of online gaming, cryptocurrency trading and blockchain education. ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ | | ..WHITEPAPER.. ..INVESTOR PITCH..
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MrTeal
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May 27, 2012, 12:35:39 PM |
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9000W really isn't that much, it's only around 40A. I could easily install that on my existing panel without upgrading my service, and I don't even use electricity for heating. Dealing with 9000W of heat is a much bigger challenge that providing electricity to GPU farm.
Not everyone use 240v. You might not need to upgrade your panel, but wiring isnt just your panel. How many people in NA or Europe do you know without 240V service to their houses? If you have 240V split phase it's relatively trivial to get a couple 240V lines brought out. It would cost me a $35 permit and a hour of work. If you wanted to get an electrician to do it, it would still only be a couple hundred bucks as long as you're not trying to run the lines all through your house. That's hardly major rewiring.
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AndrewBUD
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May 27, 2012, 12:45:44 PM |
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I have seen some pretty nasty jimmy rigged jobs in pot grows.... one hot wire coming from two plugs to = a 240v circuit
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| 365 | TM | | | | EZ365 is a digital ecosystem that combines the best aspects of online gaming, cryptocurrency trading and blockchain education. ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ | | ..WHITEPAPER.. ..INVESTOR PITCH..
| | | | .'M████▀▀██ ██ W█Ws'V██ ██▄▄███▀▀█ i█████m.~M████▀▀██ ███ d███████Ws'V██ ██████ ****M██████m.~███f~~__mW█ ██▀▀▀████████= Y██▀▀██W ,gm███████ g█████▄▄▄██ █A~`_WW Y█ ██!,████████ g▀▀▀███ ████▀▀`_m████i!████P W███ ██ _███▄▄▄██▀▀▀███Af`_m███ █W ███A ]███ ██ __ ~~~▀▀▀▀▄▄▄█*f_m██████ ██i!██!i███████ Y█████▄▄▄▄__. i██▀▀▀██████████ █!,██████ 8█ █▀▀█████.!██ ██████████i! █████ '█ █ █ █W M█▄▄▄██████ ██ !██ !███▄▄█ ██i'██████████ ██ Y███████████.]██████████████ █ ███████b ███ ██████ Y █ █▀▀█i!██ ████ V███ █ █W Y█████ ~~▀███▄▄▄█['███ ~~*██ | | Play | | | | │ │ ███ │ ███ │ ███ │ │ ███ ███ │ ███ ███ ███ ███ │ ███ ███ ███ ███ ███ ███ ███ ███ ███ │ │ ███ ███ │ │ │ │ │ | | Trade | | | | __▄▄████▄▄ __▄▄███████████████▄▄▄ _▄▄█████████▀▀~`,▄████████████▄▄▄ ~▀▀████▀▀~`,_▄▄███████████████▀▀▀ d█~ =▀███████████████▀▀ ]█! m▄▄ '~▀▀▀████▀▀~~ ,_▄▄ ,W█. *████▄▄__ ' __▄▄█████ !██P █████████████████████ W█. - ██████████████████▀ i██[ ~ ▀▀█████████▀▀▀ g███! Y███ | | Learn |
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waterboyserver (OP)
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May 27, 2012, 09:23:34 PM |
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So...about that 7990. Some rumors point to 7970 x2 cards being released ( http://uk.hardware.info/news/27987/amd-allows-partners-to-create-hd-7970-x2 ); either way, even if a 7990 or 7970 x2 is released both would be pretty neat for a mini itx setup. Although, haven't the x2 cards been buggy in the past (such as Powercolor cards)? Wonder how they compare: 7970 x2 at 925 MHz(?) vs a 7990 at 1GHz for overclock headroom.
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oldDirty
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roundhouseminer
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May 27, 2012, 09:28:44 PM |
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Wonder how they compare: 7970 x2 at 925 MHz(?) vs a 7990 at 1GHz for overclock headroom.
I dont believe the 7990 will have 1Ghz GPU at stock. The wattage will be to high.
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CrunchingCulture
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AzN1337c0d3r
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★YoBit.Net★ 350+ Coins Exchange & Dice
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May 28, 2012, 02:52:51 AM |
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Lovely, lets also assume each GPU is watercooled as well (since you just pulled 2800MHash/s) But thats ok, i'm the owner of Koolance. 700 MHs is only like ~1100 MHz. You dont need to overvolt to achieve those numbers on air. I have 3 cards in my rig that did it. I'm sure others who own 7970s can chime in to the feasibility of this.
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nave
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May 28, 2012, 02:58:49 AM |
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Lovely, lets also assume each GPU is watercooled as well (since you just pulled 2800MHash/s) But thats ok, i'm the owner of Koolance. 700 MHs is only like ~1100 MHz. You dont need to overvolt to achieve those numbers on air. I have 3 cards in my rig that did it. I'm sure others who own 7970s can chime in to the feasibility of this. That's about the same as what I get. I'm running my 7970s at 1150 MHz now that the warmer weather is here. I was running them at 1250 MHz at stock voltages when it was cold out, the cards never went higher than 75C, and each card was well over 700 MH/s.
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gyverlb
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May 28, 2012, 10:05:20 AM |
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Same here : stable at 1215MHz 70°C
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oldDirty
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roundhouseminer
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May 28, 2012, 05:34:26 PM |
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The 7970 x2 Yes you see right, 3x 8 Pin Connectors.
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CrunchingCulture
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cyberhelix
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May 28, 2012, 06:12:47 PM |
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Looks like its an inch or so taller as well....
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waterboyserver (OP)
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May 28, 2012, 07:34:59 PM |
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It even comes with a little red button. What happens if you press the little red button?
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oldDirty
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roundhouseminer
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May 28, 2012, 07:58:17 PM |
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It even comes with a little red button. What happens if you press the little red button? You have ten second to leave your block. ^^ Then it unleash the power;
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CrunchingCulture
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imsaguy
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Don't send me a pm unless you gpg encrypt it.
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May 28, 2012, 07:59:41 PM |
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It even comes with a little red button. What happens if you press the little red button? It resets the blockchain.
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Dalkore
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Mining since 2010 & Hosting since 2012
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May 28, 2012, 08:30:06 PM |
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No actually, I own only about 10 machines with dual Xeons in them... just that they dont mine.
Of course if you think the numbers are wrong, maybe you should just point it out?
Lovely, lets also assume each GPU is watercooled as well (since you just pulled 2800MHash/s) But thats ok, i'm the owner of Koolance. What the point when you can just assume i paid $0.07/Kwh, get whole sale price for parts and a datacenter equivalent of power grid. I would love to see where do you live that you can pull 9Kw of power without major rewiring. You argue you rather operate a delivering business by using 10 Civics instead of one Semi-truck. Its amusing when you can get the civics at dealer cost as well.. Then complete omit the management cost, drivers' salaries and maintenance cost. 9000W really isn't that much, it's only around 40A. I could easily install that on my existing panel without upgrading my service, and I don't even use electricity for heating. Dealing with 9000W of heat is a much bigger challenge that providing electricity to GPU farm. Not everyone use 240v. You might not need to upgrade your panel, but wiring isnt just your panel. On normal 120v (single phase) it would be around 75 amps to support this. Most houses would need a major rewiring including decreasing the wire gauge to support this draw unless you used multiple 20 amp circuits on 14 gauge wire into your server room. On the other hand, if you used your dryer circuit which is usually 240 (2 phase), they are likely between 40 and 50 amp circuits and that would work as long at you used like 10 gauge wire or less into your room. .02 BTC
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cyberhelix
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May 28, 2012, 10:30:46 PM |
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It even comes with a little red button. What happens if you press the little red button? A dyed in the wool killer would have asked about the little red button...
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rjk
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1ngldh
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May 28, 2012, 10:55:56 PM |
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It even comes with a little red button. What happens if you press the little red button? A dyed in the wool killer would have asked about the little red button... It looks less like a button and more like an indicator light, to me anyways. The high-res pics show it looking slightly translucent.
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crazyates
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May 29, 2012, 04:14:50 AM |
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The 7970 x2 Yes you see right, 3x 8 Pin Connectors. 0_0 so when is this (or the 7990) coming out? I want....
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oldDirty
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roundhouseminer
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May 29, 2012, 08:44:11 PM |
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I think the 7990 will came with only two pcie Connectors. AMD alway goes the secure way. The release dato is unknown anyway, so Powercolor launch this for computex.
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CrunchingCulture
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crazyates
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May 29, 2012, 08:54:18 PM |
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I think the 7990 will came with only two pcie Connectors. AMD alway goes the secure way. The release dato is unknown anyway, so Powercolor launch this for computex.
So the 7990 will only have 2x8pins for < 375W, and this will be faster clocked but have 3x8pins for ~525W?
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