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1341  Bitcoin / Mining / Re: Pix of one of the largest Bitcoin mines on: November 20, 2014, 06:58:41 PM
The Chinese people who paid for that farm are fools.  The time for profitably mining bitcoin is so over with.  39 billion difficulty is insane.

DAMN do I wish I knew in December 2008 what I know now about bitcoin and mining and the spikes and dips in its price over time and all that!  I'd be a BILLIONAIRE now!

Dammit dammit dammit!!!!! Angry

In 2-3 years from now you'll look back and say "why didnt i invest in mining equipment when the difficulty was so low and before the price hit $10,000?"



another rocket guy here $10k LOL. its like you need the NY stock exchange to accept BTC in order to achieve that dream of yours.

I'm not saying rocket, I'm saying that bitcoin is growing in acceptance and recognition. Its gone from a few cypher punks to early adoption phase.

I'm not saying $10,000 will happen, but i think that in the next 3 years bitcoin will either be under $200 or over $10,000 depending if it actually continues to grow and gain utility
1342  Economy / Securities / Re: [PicoStocks] 100TH/s bitcoin mine [100th] on: November 20, 2014, 06:53:48 PM
Are there any further plans with this project? Further expansion of the hashingpower? Any news or prospectives?  Huh

There has not been any expansion in over a year - and there wont be any more expansion.

Can Leszek or buzzdave confirm this?!  Roll Eyes

What do you need confirmed? Read the last few pages of the thread. There's no incentive for them to add hashrate much of a year after the mine was increased to the present 500th
1343  Bitcoin / Mining support / Re: BITMAIN Antminer S1 support and OverClocking thread on: November 18, 2014, 05:23:31 PM
You're either navigating to the wrong directory or you didn't change it.

Type:
cd /etc/config

Hit Enter + Type:
vi asic-freq

It'll come up.

That's the long way around. 'vi /etc/config/asic-freq' works without browsing directories
1344  Bitcoin / Hardware / Re: Liquid Cooled Miner C1 Discussion and Support Thread on: November 18, 2014, 02:16:09 AM
Newly designed fan wiring harness,could be plugged in board directly from outside,and you needn't to remove top cover fo C1.Also 3*3pin for fans and 1*4pin for pump.

Im still a bit cautious that you have a fairly significant power load (3x2A fans and a 2A pump) using only a single wire pair - thats around 90W load and it appears to only be 18awg wire.

The PCIe connector is a good idea, but you should make use of the fact it has room for 3 wire pairs, and better distribute the load so more wire harnesses dont get hot or burn through
Not as you say,3*0.4A for fans,1*0.5A for pump,totally no more than 2A,the single wiring harness could work well.Our wiring harness could bear less than 3A,we never heard it get hot or burn out.Possible reason might be user plugged it wrongly with previous wiring harness,but with new wiring,this situation couldn't happen any more.

oh, not sure where/why i got the impression each fan was 2A, and the pump was similar - that makes the issues i raised more of a non-issue. (though at a glance the S1 fans are 1.0A each so i assumed the rad fans would be a similar draw
1345  Bitcoin / Hardware / Re: Liquid Cooled Miner C1 Discussion and Support Thread on: November 18, 2014, 01:06:36 AM

Considering this miner can take 8 PCIe they should have looked at problem before throwing a PCIe connector on it.   Who has 9 PCIe unless you use a server PSU or adapters?

But not surprising considering all the dead pumps, and harness of death the first batch got.   They should have looked at good old molex connection.  Maybe even split it where not all on one cheap wire.

I'm still waiting for their manager to ok compensation... wonder what it means that they never got back to me......

It's a male PCI-E power connector, it would go in one of the unused ports on the miner to pull power back out to run the fans/pump.
I'm running my C1 with just four PCI-E connectors and they don't really get warm (~180W each)

If it has a male PCI-E end on it can't you then just plug it into your modular power supply itself?

Also, this bit about DUST and cleaning the pump before use. Syscooling is suggesting we take apart the pump completely and clean it out with some water because it was tested before it shipped without any liquid in it. Doesn't running these kind of pumps without any liquid grind the pieces down?

its a male connector, with the presumption that you could connect it to one PCIe connector on a blade, and the other connector would be the power supply cable. IMO, this is a bad idea because if the fan/pump load is >70w (Im guessing it could peak as high as 90W if all 4 devices are running full power) that plus the ~200W of a blade puts a pretty big power load on the single cable to PSU - around 275W which could easily burn out cheap cabling (A >1000W and/or GOLD-rated supply should be fine for this, but cheaper supplies with 18awg or thinner wiring could fail and start fires as even 16awg wiring starts getting warm over 300W)
*you could also connect it to the PSU directly as you mention, but not all PSUs have modular cabling sockets, particularly that are the same pinout as a PCIe socket*

shameless self-plug: I sell good quality 18awg Y-splitters - If you think you should take some precautions against putting 275W on a single PCIe connector, you could split the syscooling load across two seperate blades in the C1 - thus balancing the power across 2 PCIe cables from the power supply at ~240W (15% lower). See my signature link for details - i have lots available now
And dry-running a pump is terrible. Anyone will tell you that. Either test it properly or ship it untested. 2-3 seconds of testing could create the conditions that lead to early failure or leaks when a coolant is actually added.
1346  Bitcoin / Hardware / Re: ANTMINER S4 Discussion and Support Thread on: November 18, 2014, 12:55:17 AM
OK so my PM inbox has been flooded with requests for free S4 coupons, and everyone who has requested one up until this point either has or will receive one. BITMAIN sent out TONS of coupons to everyone who has ever purchased a product from there. At this point, it's becoming a little time consuming to send out these coupons for free, so if you would like a coupon, I would like to request atleast a .005  BTC donation (currently less than $2 USD, a lot less than the $125 that the other guy was asking Wink)to my BTC address for my time. Keep this in mind if you PM me from this point forward.

Donation address: 13PbqvqdcEF1NZ4SYqMri3GbW8UFz2kXCF

Heh, Ill offer the same deal myself, or 10/0.02BTC. I imagine there are thousands of these coupons distributed in total.

1BbHagepK1xcCRpKMt1sarAPqzxJmkGqR3
1347  Bitcoin / Hardware / Re: [DIY] - Reward $100 | Antminer S1/S3 Blade on Raspberry Pi on: November 17, 2014, 07:53:04 PM
is there a short and sweet recap someone can make? I think it seems pretty straight forwards:
1) buy a USB cp2102 for each blade (2 per antminer) and some powered USB hubs
2) hook hubs to RPI and wire the CP2102 to the antminer (GND, TX, RX) - no power connection needed
3) cownload the custom cgminer for the rpi
4) win?

yep thats about it :-)

just remember, if not undervolted, it needs heatsinks on the backside and fans, if undervolted (below 1 volt per chip) put some fans in pull/push, and your done (or heatsinks)

pins like this:
.      .     .      .      .      .      .      .
            TX GND RX
              ON USB
              CP2102

Thanks. And basically any cp2102 will work? I assume power isn't connected so 3.3v/5v versions would be identical?   I have 7 s1 units sitting here to be undervolt ed, and i just ordered 6 cp2102 units from different ebay vendors 3x2 different styles)

Does the pwm fan on the antminer still adjust it's speed without the controller, or just run at full speed 12v? Hoping to downsize 7 antminers into something that's cooled by 2-3 fans
1348  Other / Archival / Re: Pictures of your mining rigs! on: November 17, 2014, 07:44:09 PM
anyone built an outdoor mining cabinet? I want to put some S1 or S3 units outdoors for the winter, but am afraid that wayward snow/slush/debris on my balcony (its an apartment) might get sucked in or otherwise contact the equipment.

The solution in my mind is a 4-walled box (bottom,top,sides) with 1-2 fabric filters over the inlet/exhaust sides of the box (mostly the inlet). Main concerns are the inlet fabric icing over (if heat removal is too effective) or being the target of pigeon intrusion (yeah these guys are a messy problem - and a huge source of dust and debris on the balcony)

pfft, nobody reads a 323 page thread before posting? (I used the search feature to save time.)

I don't intend to make a copy of that outdoor setup, as it's likely inadequate for my use, largely due to the high risk of pidgin intrusion. I don't doubt that a warm enclosed area would become infested with sky rats on my balcony, and as such a more per meant design is preferred.

Imo, might buy some plywood and furnace filters to build something. The furnace filters leave lots of room for airflow, and are fairly thick so icing over is unlikely.
1349  Other / Archival / Re: Pictures of your mining rigs! on: November 17, 2014, 11:30:11 AM
anyone built an outdoor mining cabinet? I want to put some S1 or S3 units outdoors for the winter, but am afraid that wayward snow/slush/debris on my balcony (its an apartment) might get sucked in or otherwise contact the equipment.

The solution in my mind is a 4-walled box (bottom,top,sides) with 1-2 fabric filters over the inlet/exhaust sides of the box (mostly the inlet). Main concerns are the inlet fabric icing over (if heat removal is too effective) or being the target of pigeon intrusion (yeah these guys are a messy problem - and a huge source of dust and debris on the balcony)

you can plumb it to a universal car intake (cone) filter and if need be some have optional shielding or do some DIY.

Edit: something similar to this:
http://i.ebayimg.com/00/s/NjUwWDY1MA==/z/O4EAAOxyn~pR227c/$T2eC16JHJHUFFfhDpWd3BR227cLk-g~~60_35.JPG

I feel like that sort of filter may be insufficient for the 1000-1200cfm airflow im expecting (if running 6-8 antminers), and may not solve my concerns over any moisture freezing up on the intake if temperatures there hover around zero (assuming its -5C outside but some heat from the mining keeps the area of the intake close to 0C)
1350  Bitcoin / Hardware / Re: Liquid Cooled Miner C1 Discussion and Support Thread on: November 17, 2014, 11:26:40 AM
Newly designed fan wiring harness,could be plugged in board directly from outside,and you needn't to remove top cover fo C1.Also 3*3pin for fans and 1*4pin for pump.

Im still a bit cautious that you have a fairly significant power load (3x2A fans and a 2A pump) using only a single wire pair - thats around 90W load and it appears to only be 18awg wire.

The PCIe connector is a good idea, but you should make use of the fact it has room for 3 wire pairs, and better distribute the load so more wire harnesses dont get hot or burn through
1351  Bitcoin / Hardware / Re: [DIY] - Reward $100 | Antminer S1/S3 Blade on Raspberry Pi on: November 17, 2014, 11:19:43 AM
is there a short and sweet recap someone can make? I think it seems pretty straight forwards:
1) buy a USB cp2102 for each blade (2 per antminer) and some powered USB hubs
2) hook hubs to RPI and wire the CP2102 to the antminer (GND, TX, RX) - no power connection needed
3) cownload the custom cgminer for the rpi
4) win?
1352  Bitcoin / Hardware / Re: Older hardware laying around? I'll mine it on free electricity on: November 17, 2014, 11:13:07 AM
"free" power is almost always "utilities included" rental units, and oftentimes the way these units are wired up, the landlord has no way to tell how much power each individual unit draws.

but theres still a limit on available outputs: 3-5 15A circuits are common in most 1bdrm units, plus a 220V stove outlet. Might make the place a hell to live in thouh with noise and heat
1353  Bitcoin / Hardware / Re: Announcement: Bitmain launches AntMiner solution, 0.68 J/GH on chip on: November 17, 2014, 04:20:59 AM
I couldn't even give my S4 coupon away, gave up after a couple of weeks.......
Maybe this time you'll be able to sell it for 50$ each? ))

i have a 100 of them, ill give them to you for $5 each and you can make a killing on the resale
1354  Economy / Computer hardware / Re: [WTS] antminer S3 =>470GH with bonus on: November 17, 2014, 04:16:03 AM
I have a great batch 5 antminer S3 performing stably at above 470GH, selling for $200 in BTC (current value ~0.515 BTC), compared with Bitmain $280 or $230 w/coupon for only 453GH guaranteed. Shipping to continental US only, please do not give me lowball offers, price is fixed and could change very little and only if you want to pay for shipping.
As a bonus, I will give the purchaser four $50 coupons to buy more S3+ (total coupon value=$200), so miner that you buy from me is essentially free.
https://bitmaintech.com/productDetail.htm?pid=00020141015100808946Nj1LM03y0650

bitmain is charging only $210 per antminer plus shipping currently not $280

yes, but you have to pay shipping, don't you?
With shipping it is $280 to US without coupon or $230 with coupon from Bitmain
what exactly is your point? geez

even then, youll likely be hit with tax and UPS fees of another $20-35/unit.
1355  Other / Archival / Re: Pictures of your mining rigs! on: November 17, 2014, 03:59:06 AM
anyone built an outdoor mining cabinet? I want to put some S1 or S3 units outdoors for the winter, but am afraid that wayward snow/slush/debris on my balcony (its an apartment) might get sucked in or otherwise contact the equipment.

The solution in my mind is a 4-walled box (bottom,top,sides) with 1-2 fabric filters over the inlet/exhaust sides of the box (mostly the inlet). Main concerns are the inlet fabric icing over (if heat removal is too effective) or being the target of pigeon intrusion (yeah these guys are a messy problem - and a huge source of dust and debris on the balcony)
1356  Bitcoin / Hardware / Re: Liquid Cooled Miner C1 Discussion and Support Thread on: November 17, 2014, 03:52:15 AM
Hmm tempting, what came to mind was these miners and a small beer fridge cleverly crafted with radiators.

I wonder if the heat sinks would condensate or not?

Still interesting though...
I dont understand - theres two obvious issues:
1) hot surfaces dont get condensation. thats not an issue unless the ambient humidity is like 95%+
2) if you mean to put the radiators inside a fridge, fridges are not designed to remove that much heat, and it would effectively dump the heat (plus ~40% additional cooling losses) out the backside of the fridge.
1357  Bitcoin / Hardware / Re: Liquid Cooled Miner C1 Discussion and Support Thread on: November 17, 2014, 03:49:53 AM

Mr.notlist3d sent us pictures,and we have shipped new pumps and wiring harness for him.As for your pump,we will check the picture,if it stopped working because of quality problems,we surely will send you new ones for free.And for email,three addresses are available:  watercooling@ysun.net   mk@ysun.net    and      ysun@ysun.net   ,if send an emai to one of those but receive no response,you could send to the other two,anyone see it will reply.

You can look at this picture of my pump  http://perearstike.ee/avatar/TupsuC1.pump.JPG

Could you please email us,we couldn't see what reason cause this problem.  mk@ysun.net  or   watercooling@ysun.net  .And my Skype ID: syscooling_rma  , or you could contact us by that.

you have to be kidding him right? Why would you use multiple emails and skype for RMA - its a pain in the ass, and surely a waste of time on your end to be reading duplicate emails on two addresses.

secondly, his pump broke - doesn't sound like he knows or can see the reason why so a photo likely wont help at all.

 It seems like there is a substancial failure rate in the first 2 weeks of operation for these pumps - who knows if the radiator will hold up much better over time? I think a $100 system using a higher quality pump and >3kW rad (not unlike the offering you have, but with a better pump/resevoir) would be prudent. Having a week or two of downtime and headaches filing an RMA on a cooling system isnt worth saving $10 on a cheap pump and thin fan cables that are somehow expected to handle up to 8A from a single board connector
1358  Bitcoin / Hardware / Re: Block Erupter Prisma (>=1.4 T/device, 0.75-0.78 W/G, <1 BTC/T, October Shipping) on: November 17, 2014, 01:15:21 AM
I'm willing to sell my Prisma at a discount if anyone wants one with a missing capacitor that I couldn't get to hash more than one board at a time...  It has the USB dongle and not the controller...

I would take a chance on it for .6 btc

I think that's a bit low.

photos? 1BTC would be fair if theres a chance of fixing it or at least running 3/4 boards
1359  Bitcoin / Hardware / Re: Home mining makes a comeback: check out Spondoolies new offer, the Jackson SP20 on: November 17, 2014, 01:10:06 AM
i suppose what it really boils down to is personal preference.
some people are willing to trust their funds in the hands of others with IPO's and what-not and some just enjoy to mine.
I think you are right, amhash is not a real mining operation - it's a smoke and mirrors way of Am getting suckers to invest (again)

i've been away a while so forgive my ignorance, but... have AM yet paid out their shareholders from their last 'IPO' ?

personally, I like buying hardware because it holds resale value - I have resold several times the amount of hardware i can run at a time in my collection, usually for a premium locally over the cost of new hardware.  An S1 might be unprofitable to pay for cloud maintenance, but still has a resale value of $50-80 on a local market, which is significant
1360  Bitcoin / Hardware / Re: Home mining makes a comeback: check out Spondoolies new offer, the Jackson SP20 on: November 16, 2014, 03:42:17 PM
These things are WAY over priced.  $1100 $795.  3 S3s will give you similar hash rate and just slightly less efficient W/Ghs wise at just above half the price.  Its a no brainer.  And of course there is also the C1 which isn't as efficient but the price is right.

^FTFY. if you think $795 for 1.7TH/s is 'WAY overpriced' you should really find another hobby  Kiss

the equation is this;

Your belief in Bitcoin vs price of hardware vs your electricity costs.
nowhere in this equation is the efficacy of the miner, as you fail to mention the efficacy of the miner in your own statement.
you're welcome.  Grin

Its overpriced, 1 TH/s market price is less then 1 BTC right now...

Can you show the less then 1 btc?

I'm curious to see it's efficiency on electricity.

the prisma mostly, but i think thats pre-shipping.

benefits of the SP20 over S3+ units:
-fewer machines to configure (1.7TH/unit vs 0.5TH/unit)
-Spondoolies allows software undervolting for efficiency in 3-6 months from now or as needed
-smaller size

disadvantage:
-slightly higher BTC/TH price (shipping is cheaper though due to smaller size/weight)
-NOISY. 212cfm-capable fan means a lot of fan noise coming from this box
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