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I don't do any medical research, I work in IT.
That paper is total crap. It would still be total crap if I went to school with a different set of people and put a different suffix after my name. I would even argue that lots of less crappy medical research papers with peer-review are also crap, because of the inability to account for and/or control variables for extended time periods.
I don't blame the authors though, they probably just drank a lot of fluoride their whole lives. Nothing a little bloodletting can't fix.
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You guys should take a look at http://yourbtc.net as well. DGM/hop-proof, no fees, merged mining (NMC), and it's been hitting 400+Gh/sec now that arsbitcoin is dead. Nice stats/graphs and payout features and it keeps getting better. |
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Awesome site! Donation sent.  |
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1. Disable crossfire and remove the plug 2. Run as root or sudo "aticonfig -f --initial --adapter=all" 3. reboot 4. In a new terminal run "export DISPLAY=:0" 5. Then run "cgminer --gpu-memclock 300 --gpu-fan 100 --gpu-engine 900 --gpu-vddc 1.1625 -o http://xxx.xxx -u user -p pass -I 9" That should get you over 400mh per card as a baseline. Hit "G" to confirm clocks and voltage. If it's stable, adjust the gpu-engine up by 5-10 mhz at a time (or voltage down, fan, etc) until you are happy with temp and perf. You may add --cpu-threads 1 if you have the max cpu bug to isolate to a core. |
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Yeah I have semprons, but I was wondering, do you think they get bottlenecked at all when mining? Seems the machine is less stable due to the cpu load. I've checked into making sure I have the right catalyst drivers, etc. and the cpu still runs at 60-70% load. I know from previous experiences with overclocking, that sometimes the CPU can keep you from reaching higher clocks.
There is a 45 watt dual core AMD that seems it might be better for a more stable and usable machine in terms of being able to navigate while in the linux environment. Once my miners start running, I really can barely move the mouse around or I get a lock up. Just a thought.
I have my cards at 850/300 right now, it might just be that one of my cards really can't handle those clocks.
I also wonder how much people have messed with the aggression settings in phoenix miner. I have mine set at 7 right now, but it seems it gets unstable when higher. I was thinking about downclocking one of my cards and then raising the aggression to see if there's a sweet spot for max, stable hash rate.
It would be nice to start a thread that is pinned to the top of this forum where everyone can put in their hardware set-ups and post settings with hash rates, etc.
850 is probably a bit much on stock voltage unless you have really good cooling. Try 800 and see if it's still unstable. I have one Win 7 rig with 3x 5970s and after a lot of monitoring and tweaking I found that one of the GPUs does not like to run any higher than 880mhz, no matter how much I undervolt the ram or overvolt the GPU. The temps are fine but it still throttles so it's very likely to be the VRMs running too hot, even at 300mhz. I just run that GPU at 850/1.10v and it's stable and the other 5 GPUs are running at 900mhz/1.15v and sit around 70C. It's getting ~2450mh/s in cgminer running -I 9 and pulls about 1160 watts off the wall with the fans at 100% plus 3 additional external fans and i3 processor. I am getting ready to wipe the OS and run linux on it. I will probably run 775mhz per core on stock voltage. In the long run, the extra strain of getting a "max hash" just doesn't seem worth the noise/power/longevity of the hardware. Then again, 5970s are $299 new and will only continue to drop in price... |
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Hasn't "the room" already been around for a while? http://betco.in/Their poker app is HTML 5 and works in a browser. I tried it on and android phone and tablet with no issues. Free bump for them I guess. |
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Any type of ruling against bitcoin would certainly be very problematic it terms of setting a precedent. If you look at bitcoin as what it actually is - a shared transaction log - and the possession of "coins" as nothing more than a key or "password" that gives you access to data contained in that log, it's easy to see how slippery the slope would be. There is no owner or backer of this data other than the network itself. IMHO any legislation or ruling that would attempt to make bitcoin illegal would seemingly amount to a ruling that attempts to make one's personal acceptance of bitcoin as a token of value illegal. That's pretty intangible, and if it happens, the thought police will have arrived 27 years late.
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My PM offer still stands...
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First off, thanks for writing this miner, I've used it for a few weeks on a linux system and it's fantastic. I tried switching to cgminer on a Windows 7 machine but I'm running into device init problems. The machine has 3x 5970s and cgminer reports 3 GPUs disabled on startup and says it wont be able to start them from the menu either. It is then unable to mine. GUIMiner runs fine on all 6 GPUs. I tried running it with various parameters but with no luck. 11.9 drivers, Win 7 Home x64. Any ideas?
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Bump, nearing the final hour.
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Where is the card located ? Will you ship internationally ?
Pittsburgh, PA, USA. I can ship internationally if you don't mind covering the extra shipping cost. I just shipped a CPU to Finland in a bulk rate box for ~$13 USD but I think this would require the next size box which is closer to $45 to ship. See here for rates: http://ircalc.usps.gov/For international shipping I also need to declare the contents for customs so depending on where you live your country may charge additional tax. If only we had a decentralized p2p courier network...  |
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Didn't daylight savings just end in EST?
Doh! Fixed back, thanks. |
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Got a PM from him, thanks.
Original post updated. Also changed EST to EDT as daylight savings just started!
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 Ok I'll make it interesting. This is my best 5850, hand picked from three that I own. At 1.15v it will do 935mhz and 384Mh/s completely stable, where the other two max out at 900mhz and 920mhz running the same voltage. The card is 5 months old and has about 3 weeks of total mining time on it. It's clean and in excellent condition. BTC only. Highest offer by 9PM EST Monday (Nov 7) takes it. Include shipping in your offers. Winner: 27 BTC - jepajee |
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