Shut your PC down and only plug gpu1 in.
yes. then look at it (assuming it comes up at all) with something like AMDOverdriveCtrl (if using linux), or the CC control panel. |
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1kW PSU seems a bit skinny, but oughtta work.
what have you been doing with the cards? what OS and mining program?
what clocking have you done?
but - most importantly - what temps were they at when they crashed?
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sounds like you messed with the BIOS. did you save the old one? try re-loading it?
doesn't look good though. 950 is pushing it. what voltage were you using? what MemClocks?
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I got scammed by this too, recently I bought one of the cheap ASIC miners on ebay that worked great for a day or two then I got an e-mail it would stop working at block 127225 unless I paid a further $1000 per core for an unlock code. I refused the extortion and guess many others were the same. At 45 Ghash/s for 16 cores it might have been worthwhile but I couldn't be sure I wouldn't be scammed again at some future block count  huh? yes, please elaborate... |
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heh. pretty good.
now all you need is a poll:
1.) i know this song from the TV series.
2.) i know this song from "The Blues Brothers" movie.
3.) i know this song from the Dead Kennedys.
nice to see a proper trailing apostrophe, BTW...
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Everyone's laughing at HorkaBork's post... but I'm actually considering how the methanol-containing-heat-turbine-electric-generator idea could work....
...........................
He may just be a crazy genius!
it's inefficient. and dangerous. look into the Seebeck effect... |
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Pareto principle should apply IMO. This means that 80% of hashing power will be concentrated in hands of 20% of [bitcoin mining] population. It is probably the case already.
Interesting point and probably a weakness in the design. Without some method to enforce dispersal, it won't happen. How serious this turns out to be I guess we may find out. this is not a weakness at all. "Without some method to enforce dispersal..." the method of dispersal is clear - and always has been: there's no point in being a Bitcoin millionaire - or, indeed, a millionaire in any currency at all - if you don't spend it for your own pleasure or on those projects which interest you. of course, once you're spending your Bitcoin, you are... ummm... what's the word i'm looking for? oh yes! you're dispersing them. ...aren't you? |
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I just wish there would be as much computing power going towards cracking the next CSS / Bluray / Console encryption as it surfaces.
Or protein fitting for cancer research.
Or any other scientifically beneficial stuff.
when you get right down to it, there's really nothing quite as scientifically beneficial as money. look what the first and second round internet billionaires are doing... they're going to the freakin' moon, and bankrolling huge scientific projects. gates is trying to destroy diseases like he once destroyed lotus. what will Bitcoin billionaires do? |
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yup. it's down - but the miners i have connected are still good.
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What's the highest hashing speed you've ever seen from one of your connected workers?
Anyone ever seen 500 MH/s?
I'm assuming at the moment the highest single worker would be a watercooled overvolted overclocked 5870?
Or am I totally wrong and everyone is using multiminer to converge all workers into a single external worker thread? Would this be more efficient?
500Mh/s isn't all that much - i have one 800 Mh/s worker (a dual-5870, the biggest of my four), but i'm a little guy. i don't know if pool operators can tell whether a connected worker is running more than one GPU. can they? or do they just see an undifferentiated stream of getworks, submissions, & etc.? |
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No.
300MH/s = .67BTC/day
= $5.70/day
= $171/month
And anyone with that kind of MH/s is probably using no more than 250w of electricity, so 180kwh/month, or about $18 more in electricity per month. Well, if you get decent rates on electricity, anyway.
Mining is far from being unprofitable. When difficulty hits 4M, then we'll talk about it being unprofitable for a good portion of hobbyist miners.
yes. |
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network hashrate wouldnt change srsly because of ppl <300mhash
oh? show your data please. |
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I know i'm done running 250mhash been getting 1btc a day today it cut me in half i will only be able to get 0.48btc a day. Forced out ... good luck guys i feel like once the small guys are forced out a lot of interest will go with it.  a week ago your one BTC exchanged at $6.50. now it's almost $9.00. in another week it'll be over $12.00. why are you thinking in terms of the number of Bitcoin you generate? think about what they will buy. |
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knowing your operating system would be helpful...
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Hi I just got started into mining for Bitcoins a few days ago at btcguild. I've been tweaking my hardware and trying out different miners on my 6950 2GB. Now according to the hardware wiki ( https://en.bitcoin.it/wiki/Mining_hardware_comparison) my 6950 should get between 295-360 Mhash/s. I have my 6950 at 960/700 @1.2V with unlocked shaders. I get about 405-410 Mhash/s. Is this weird? The other 6950's on the wiki are clocked higher than mine and get lower hash rate. I've tried poclbm.exe -w 64 -v phoenix with -q 5 -k poclbm VECTORS BFI_INT FASTLOOP=false AGGRESSION=13 DEVICE=0 WORKSIZE=64 They both give about the same results. I'm thinking about expanding my mining operations and getting another 6950 and maybe 2 5830's. Do you guys think that's a good idea? Thanks, awesome forum btw! you missed the last entry for 6950s: 417 mh/s. running like this: unlocked shaders, +20% overdrive, mem @ 1250, fan @ 77%, temp 64C, -v -w128, gpu core @ 1145mV |
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i note that - for the purpose of paying taxes (always a good idea) - precisely which Bitcoin one declares may have some bearing on the matter: especially as concerns miners.
do you declare that the 10 BTC you just exchanged for USD are the 10 you mined when you were CPUmining and getting five blocks a day? or do you declare the 10 you mined when you were getting one BTC a day at an electricity cost of $6.50 a day?
yet another good reason to continue mining past the theoretical point of unprofitability. think of it as protecting your investment...
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i agree generally with the posts above - that within 45 days or so it will be unprofitable (at current BTC exchange rates, if they matter to you) to mine unless your equipment is paid for and/or you have free electricity.
my equipment is paid off, so i'll be mining at least until the cost of electricity exceeds the Bitcoin i mine. but who knows where the exchange rate will be in 45 days? not i - but uppish, i would think. it could easily take 90 days before electricity costs overrun a more valuable bitcoin, at bitcoin's current rate of growth.
that said, i'll note that - historically - the primary driver of hardware advances in the PC business has always been gaming. bitcoin will likely change that, if it takes off into the mainstream in a big way. like if google payments takes note, and offers some sort of bitcoin exchanger.
in any case, the thing i'm watching right now is the FPGA stuff. i'm pretty sure that's where the future of individual and pooled mining lies.
and 45 - 90 days is quite a while in geektime.
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Site is down Anybody have a copy? Torrent file? check PM... |
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So when was it worth it? I see it's meant to run out with current trends in 2140 after 21 million coins are mined. That's still a lot of coins to be found.
it's still worth it, and always will be. you're right - "That's still a lot of coins to be found." the thing is, you need to calculate your investment pretty carefully. there's quite a few threads on this forum about that, with many formulae for doing so. but, in the final analysis, it all depends on your own, personal assessment of what the future value/exchange rate of Bitcoin will be. if you think - as vladimir (one of our better-known Hero Members) does - that Bitcoin will exchange for USD at 100 to 1 by the end of the year and 1,000 to 1 by the end of 2012, then you'll be willing to mine at a loss. at this point though, the conventional wisdom is that for a newcomer to buy Bitcoin outright for cash is more profitable. that's probably true. but nowhere near as much fun... |
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Before you can use your cell phone to pay at a B&M store we need payments to be processed in less than 30 minutes. It needs to be at least 200 times that fast.
You transfer your coins to your Google account. The store will trust payments from Google so they accept it instantaneously. It would work like a debit card with bitcoin. Problem solved.  ...Google isn't making a currency they're just making a payment system to allow people to pay for things with their phones and Apples been rumored to have been working on one for months. The article nothing to do with bitcoins...
Lol. We are saying that Google could implement bitcoin into this payment system. i'd pay google 1% if they'd take in BTC, store them until 100 confirmations went through, and then spit out any currency on earth from my droid, no matter where i was. hell, i'd even consider 1 1/2%... |
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