I have a pair of 600w and a 750w. Also I have two of thoese 360w boxes to that are well about 80+
Cool. I'll send you a PM |
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Looking for several 600W to 800W 80plus power supplies. If you are looking to sell, PM me or reply to the thread. Thank you  |
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Seems like nmcwatch has been down a lot. I thought they were run by different people? |
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lol. Nice, though I can't take credit
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So still having problem. Finally got trade through then couldn't withdraw. After 20+ tries got a withdraw but not it needs to be "confirmed". Tried 20+ times to confirm and constantly server is not responding.
Does anyone know who runs bitparking exchange?
Anyone recommend an alternate exchange NMC -> BTC?
Anyone able to withdraw anything from bitparking in last couple days?
I haven't traded or withdrawn in the past couple of days, but my deposit is working just fine. I've been using them for quite a while without any issues so far. However, it does seem like people periodically have issues. shooter_mcgavin runs the exchange: https://bitcointalk.org/index.php?topic=11694.0 |
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I have 5 download codes for DiRT 3 (had six, but kept one for myself - fun game!). Asking 2.5 btc.  |
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Thanks amazingrando! Please tell me if anything went wrong~~
So far it works fine, but then again I only have one rig to test it on. Thanks again! |
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It's a typo. In the description he says that it's 765MHz
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As far as I know, RuCoin is -exactly- like Bitcoin, just relaunched with a different name.
Interesting. Among the hyperbole was this bit that I thought indicated that there might be a change: Instead, to give the exchange rate at the games speculators, who for the sake of their earnings will be his most unpredictable chatter in the system RuCoin provides some tools to functionally similar central bank and the stabilization fund, whose main task - to make the course of crypto-currency as a stable, predictable and guaranteed ..
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Sounds interesting.
Were there premined coins? How many?
How many coins/block?
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How many do you have?
I'll have to recount to make sure but I think there are 25. If you have any other questions just let me know. Nice. I'll PM you. Might be able to take some off your hands. |
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How many do you have?
I can vouch for amazingrando. He's a great guy in NoHo! -EP Thanks for the vouch EP! |
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For me it's lower on 11.9 on Win 7 x64. I get like 50% usage. You can also set the affinity to a single core or thread (if using hyperthreading), which will help a little.
Otherwise, Linux is the way to go. I use Catalyst 11.6 and APP SDK 2.4 on Linux across all of my rigs. No CPU issue and 11.6 lets you over/underclock beyond GPU BIOS limits
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I see that many people have done the 5v light bulb mod for their PSU.
I am not doing the light bulb but I do have a SATA hard drive which uses 3.3v, 5v, and 12v according to the pinout. Is that enough of a power draw?
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Received the 2 x 5870's. As described and working well. Thank you!
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Hello everyone, I've patched the atitweak so that it can operate in Windows correctly. In addition, I change the way it works so that atitweak will show correct devices. For example, it will show 4 cores on my 2*6990. Test and patch are welcome! Please check my fork version on http://bit.ly/trXI0UI found a program in Github that can overlock ATI GPU as well. It works well for my 3 * 6970. However, I don't know C++ much nor do I know python, can someone help to convert his code to atitweak? https://github.com/Glakke/glakkeclockThanks lueo! I only have one Windows rig, but finally I can set the memory clocks nice and low and all the GPUs on that rig. Works well so far! |
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Why would you do that. I think the point was a SINGLE high efficiency power supply. At 80% load most 80Plus-Gold power supplies are >90% efficiency. Depending on where you are on the curve it can be up to 94%.
The unit I have is 92% @ under my rigs load. 92% vs 82% is 10% saved power. At 4KW combined DC load a 10% energy savings is nearly 3500 kWh. Not only is that 3500 kWh not paid for each year but it is 3500 kWh of HEAT avoided. The high end power supplies are simply built better, able to handle the abuse of 24/7 high current. Most come with 5 year warranty.
less power & electrical cost.
less heat.
simpler setup.
higher end component.
longer warranty.
Now if your delivered power rate is really $0.05 per kWh YEAR ROUND and you have no AC costs then maybe it doesn't make sense but that is a pretty rare scenario.
You're right that the bigger PSU's are generally built better. For me it's all about profitability. My power is 5 cents/kWh (plus a monthly $15 demand fee) because it's from hydro power. I'm pulling down more than 13,500 kWh's per month across my rigs. I have done the math a few times and it always turns out that I'm better off spending more on power and having more to invest in more rigs. But my case may be exceptional. My data center is in the far north so I don't run A/C in the summer, just exhaust fans. |
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Not really sure what power supplies your looking at that you can get for that price but 80+ Gold will save you on power cost
Exactly. Unless your power is free the ROI% on high efficiency powersupply makes it a no brainer. I have <$0.10 electrical costs and more expensive 80+ Gold comes out ahead in less than a year. Hard to find high efficiency 600W powersupplies for $75 or any price. There is some debate on how easily PSU manufacturers (or their OEM's) cheat the 80plus certification. You may not be getting the efficiency you think you are: http://www.hardocp.com/article/2011/10/04/80_plus_irrelevant_to_you_when_buying_psu/But that aside, take the example of the Rosewill 80plus Bronze 700W PSU which is $65 before rebate: http://www.newegg.com/Product/Product.aspx?Item=N82E16817152042The certification states efficiency at 50% and 100%, but let's assume 80% load (560W) with the 120v efficiency seen at 100% load level, in order to be conservative. An 80plus Bronze will give you 82% efficiency, meaning you'll see 682W at the outlet. Then take a FSP 80plus Gold 700W PSU for $125: http://www.newegg.com/Product/Product.aspx?Item=N82E16817104099Again let's assume 80% load (560W) with the 100% load level Gold efficiency of 87%. With this you would see 643W at the socket. This would save you ~40W per PSU. Assuming I have two in a rig, giving me a combined savings of 80W. Saving 80W between the two PSUs over the course of one year (8760 hours) will save me $35 at my power rate of 5 cents/kWh. The cost difference between the two is $120. Thus it wouldn't pay for itself for more than three years. If power was 10 cents it would still take 1.5 years. At this point I would rather save $120 on PSU's and get another GPU (even a 5830). But to each his own |
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I've had my best experience with Antec's High Current 1200W 80+ Gold PSU
1200W of continuous power & 1188W 12V combined maximum output
I looked at that one and it seemed good. I'm hoping to go dual PSU. I think it will make things more modular and save a bit of money on each rig. I figure I can get two good 650/700W PSU's for $150 versus the $250 for the Antec 1200W. Given that I'm looking at 10 rigs, that will add up |
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