If this is a fact, there would be proof/evidence of it. Please cite. AFAIK, bearing life is related to temperature and running a fan higher tends to lower temperatures when you're trying to cool a 150-200W device. I don't know of any presentable evidence but if you ask any GPU farm operator, they will tell you that running fans harder than 75-80% kills them. I don't see why it'd kill them more than, uh, 25% faster than running them at 80% would.. |
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http://codinginmysleep.com/2012/06/57-of-users-admit-to-piracy/Found a BSA study (I know, lapdogs with erroneous data blah blah) and just had to do a writeup on it. Apparently world-wide 57% of PC users are, to one degree or another, pirates - and those are just the ones who would admit it on an anonymous survey. So my question, as has been applied to so many other realms, boils down to: Is it reasonable to criminalize something that more than half of us do? I get the feeling I know which side of the piracy argument most Bitcoiners will fall on, but I'm genuinely curious to see where certain peoples' chips fall... only 57%? sounds like BS |
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i coulda used one of these a month or two ago. no need now, though
there are places (like entropay) where you can get these. more like a gift card, really. order a $50 visa, use up that $50, and it's done.. or at least I thought that's how it functioned. i think it depended on if you got the 'instant' visa or the reloadable mastercard
but, if you're in the USA, thx to the patriot act and UIGEA, you're shit out of luck
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i had problems with getting MtGox verified. for some reason, they just had to have my photo ID on my drivers license, as well as the DL #.
you can get your DL # changed, depending on your state laws. for texas, you have to file a police report, then go to the DPS office
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You're pretty much maxing out the capabilities of the 5970. You could probably push 950-1000 MHz with an increase in voltage to 1.25v or so but your power consumption is going to spike. I personally run mine right now at 800 MHz core, 500MHz memory with stock volts to get the highest MH/w efficiency. I find it more helpful to just run them at conservative clocks, cool temperatures(I'm around 45-50C core temps, 55-60C VRM temps) and let them run forever. I had around 40 days up-time on my watercooled rig before I moved it to another location. Now in a more permanent location I fully expect 4-6 months up-time before I sell the cards off. Note: I found a 120mm fan cooling the back of the card by the PCIe connector helps to cool the PCB and VRM for that core. I have 3 cards per rig and just plop the fan on top of the cards to blow down on all three. Otherwise just let the cards grind away  I run my 5970's at 815/150 @ 1.010v during the day (sdk 2.1), about 750mhash. Occasionally at night time I'll boost them to the highest stable I've found at 1.050v (ranges from 820-850 for various gpus) |
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Hello everyone!
I have some thoughts on making mining cases for people's rigs and was just wondering on what the community had to say. I'm pretty open to any ideas so I'll take any advice you have. I have experience in carpentry and machining, so I was thinking about making some cases to be sold in the community. I was just wondering what materials people would be interested in, as well as size. I've made a few for myself that have been used for mining, out of wood mainly, but was just wondering what others would like. Is there actually any interest in purchasing pre-made mining cases. Also, I would most probably ship them disassembled and include assembly instructions. Lastly, how much would consumers actually pay for a product like this and would the demand be high? If you have any thoughts or concerns, or would be interested in a case, please reply.
Regards,
Nick
maybe. why not post some screenshots of the ones you said you already made? |
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why is everyone talking about how much watts such and such pulls? that isn't most efficient
most efficient is what makes you the most money
sometimes i get the feeling that at least a good quarter of the people here get x amt of dollars a month and think theyre making a profit, even though their electricity costs + equipment depreciation is 2x
Because as a GUIDELINE, 10MHs/W will be more profitable than 1MHs/W. I'm sure you know this, so please stop nitpicking. what? 90% or more of the posts in this thread are listing better efficiency by lowering overall output where is this guideline you speak of? |
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why is everyone talking about how much watts such and such pulls? that isn't most efficient
most efficient is what makes you the most money
sometimes i get the feeling that at least a good quarter of the people here get x amt of dollars a month and think theyre making a profit, even though their electricity costs + equipment depreciation is 2x
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why would you run a 7970 with such settings?
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i turn them into USD and remove from mtgox/dwolla ASAP
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for the record, the fans I ordered came from: http://www.ebay.com/itm/280800583937Ordered two on Saturday, got them on Tuesday (!!)... I know at least the one is working (already replaced the "mostly-busted" fan). I assume the second will, too... probably will order another 4 or 5 from that guy. Most of the other ppl ship from China. wow thanks for the link. Thats damn cheap and fast shipping. yeah, i went ahead and bought 2 more, at 3 am yesterday (friday)... and he shipped em out that same day. probably get them on monday, w/ usps working on saturday i guess with all these fans, maybe i'll just run them at 100% for a while |
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for the record, the fans I ordered came from: http://www.ebay.com/itm/280800583937Ordered two on Saturday, got them on Tuesday (!!)... I know at least the one is working (already replaced the "mostly-busted" fan). I assume the second will, too... probably will order another 4 or 5 from that guy. Most of the other ppl ship from China. |
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sure, I have 8 blocks solved in about 2 months @ 5ghash
Serious?!?! yah, it's https://www.maxbtc.com/top-minerszevus on there and i had never mined on there until about 2 months ago. so, near current difficulty level aahh lol that is a pool bro, I mean solo mining!!! Not using a pool. so what? it still shows my shares and blocks solved did you just buy this 25ghash off of someone recently or something? wtf |
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I've got less than 50 invalids in ~7million shares. 30 of those were from one card in a 6hr period because it was failing (100+oC).
systems that used to use poclbm but use phoenix (with phatk2) now:
3425484 shares
14880 stales
0.4325123736906909%
systems that have always used phoenix:
3269499 shares
3344 stales
0.1021741647857841%
total:
6694983 shares
18224 stales
0.2714648900294598%
current round:
9950 shares
11 stales
0.1104306796506375%
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sure, I have 8 blocks solved in about 2 months @ 5ghash
Serious?!?! yah, it's https://www.maxbtc.com/top-minerszevus on there and i had never mined on there until about 2 months ago. so, near current difficulty level |
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sure, I have 8 blocks solved in about 2 months @ 5ghash
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one of my 5970 fans "died" (it was still moving a little bit, it reported 800rpm or something) while I was asleep & when I went in to check on it, GPU #1 was getting about 70mhash/s (and got 30 "invalids", of which I'd had zero in like the month prior), gpu #2 was getting around 150mhash/s (no invalids). gpu #1 was ~103-104oC, gpu #2 was ~101-102oC.
i used to adjust the fans up and down (day/night) but I've gotten lazy recently so I just leave them at 80% 24/7. during the day w/ 90-95o temps and heat index 100o+, they max out at around 72-74oC (running at 810/150 @ 1.010v). i guess room ambient temp is probably around 95o also.
anyway.... yeah, i was shocked to see it still 'running' at >100oC. tbh, I thought they shut down/crashed between 85-90oC. I don't think I've ever seen a temp >80oC until then..
ah, well. i took the card apart, blasted the fan with the kitchen sink spray hose, let it dry, and now it's running again, about 200rpm less than the other 5970 in the same system.... and making those noises that one would associate with a fan that's dying, haha. i'm leaving it going though, cause my replacement isn't due here until thursday =p
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Sigh. Thanks to Gox's new Dwolla requirements, I'll be joining the crowd of people who need to get MtGoxUSD from Dwolla on Tuesday. Damn verification requirements...
shrug, I completed their verification requirements and i'm still waiting on a withdrawal from the 25th |
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Lots of invalid blocks lately. It's starting to hurt.
the pool, i guess... my donation total is about 50% of what i've gotten from invalid blocks though even if you threw out the invalids, the luck is about 2x what it should be it's more blocks solved than eclipsemc over the last 4 days, w/ about 1/5th the hash rate |
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I had seven 5830's that I bought for $110 each..... but also got a steam key for Shogun 2 download... which sold for $10-$15... So, about 95-$100 for each 5830. A year later, I've sold all but one of those... total depreciation? Well, nothing.. That won't keep happening if block-reward halves like expected (or that BFL ASIC miner hits). You had better sell them before that point. 7970 a year from now will be worth much less. Nonsense, a year from now, 7970s will still be worth at least $350 even in a gaming market without miners. 20 nm isn't expected until H2 2013 so there wont be any revolutionary changes in GPU performance. I think most people just choose to ignore their equipment depreciating in value when figuring profit.. And people buying 58xx choose to ignore risk. Who? What? Did you read anything? In essence, your position is that nobody should buy anything for bitcoins, due to the fact that rewards for new blocks will be halved and there will be no price appreciation. OK. Oh, sweet. So the 7970 will only drop in price about $150 in a year? Since when are we looking at percentages? Looks like you just lost a whole 5870. |
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