How to set up bitcoin mining farm
So far the Chinese government has let cryptocurrency mining carry on without interference. Mr Guo acknowledges the authoritarian government could suddenly decide to stamp out Bitcoin mining as well.
The New Daily tracked down one of these small-scale miners, a Phillippines-based IT worker in his twenties, who began mining with a friend earlier this year — just before the boom started. Once the Bitcoin price began to surge in June, more partners came on board. Now there are 18 people mining together, and sharing the proceeds.
Closer to home, on a solar farm in Singleton, New South Wales, former electrical fitter Andrew Thaler is pushing the Bitcoin mining business in a truly innovative direction.
Unsatisfied with the price he was getting selling solar-generated electricity back to the grid, Mr Thaler began looking around for other ways of monetising the electricity his farm was generating.
So he trawled through eBay and Gumtree, tracked down some mining machines, and within a couple of hours of mining, he had hit his first block. He has already purchased a refrigerated shipping container for the purpose, and is teaching his five kids how to mine, in the hope of turning it into a family business. Like China, the Australian government has so far made no effort to regulate Bitcoin mining, and Mr Thaler is adamant this is a good thing.
Whenever you try to regulate it, a way around the regulations emerges. Subscribe Get The New Daily free every morning and evening. A bitcoin mining farm in Sichouan, China. Search real estate for sale or rent anywhere in Australia from licensed estate agents on simply type in any suburb in the search bar below. Steve Smith gets huge Cricket Australia endorsement on captaincy.
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First the top cover of the power supply is removed, these were designed to have air pushed through from one end to the other. Unless you plan on creating a custom modular bay for them or cutting up part of a PowerEdge chassis this is the way to go. Here you also see the modular power connector these use, by using the appropriate mating connector we achieve a swappable power system where if a power supply dies it can be swapped out for 4 cards in less than 20 seconds.
A fan assembly is then constructed that suspends 8x 92mm fans above the power supplies pushing a tsunami of air down onto the heatsinks and other components in the opened power supplies. A total of 5 power supplies will fit under one length of 4 fans stacked side-by-side, 5 power supplies will provide enough power for 4 mining rigs worth of graphics cards or 20 cards total over 5 power supplies.
The slightly difficult bit of patching into the pins on the power supply is made much easier by using the mating connector. These can either be salvaged from servers that used these power supplies such as the Dell PowerEdge series. The pinout is somewhat complex however the pins we are interested in are easy to find and once connected together will turn on the power supply and instruct it to output its full power.
You can either use a switch between the two wires shown in the pictures below or connect them permanently. You can then connect several units on a power strip and use the power switch on that to turn the units on and off. At one point I had setup a circuit to switch the units on with the host pc being used however the distribution of my power meant I had 3 server power supplies at a max of 12 graphics cards powering 2 host computers running 5 cards apiece.
Switching the units on manually before the host PC power is perfectly safe and by not using any additional components here helps keep overall costs down. At this point your main power leads to the graphics cards can be soldered to your mating connector with respect to the output pins. The 12v and ground pins are grouped in sets of 3 with a total of 8 pins representing each contact.
Wires can be soldered in between the two by four sets of pins to ensure even electrical contact and also make things easier to wire up. Double and then triple check the orientation of the voltage on your wires before connecting the other ends to the actual graphics card otherwise the result could be catastrophic. A quick google search results in quite a few sources of this particular component. Reducing cable mess and simplifying connections is a goal of mine for any project.
The molex ends of the adapter plugs are cut off and the wires stripped and connected together in groups of 4 plugs or 8 wires in each bunch. It seems like a lot of wires to just twist together but an important factor to keep in mind here is that the specifications for providing power to most graphics cards provides far more than is necessary.
Please do your homework, this setup works great for my Radeon HD series graphics cards, likely cards in the Radeon HD X79X series will require the connectors be soldered in no more than 2 adapters per power lead or 4 wires total.
Here is a completed set of power plugs which is enough for two cards, in groups of two these are soldered to the modular connectors that plug into the server power supplies. One additional set not pictured is created that only has two plugs or enough for the one extra card in each rig, these could also be used for cards that draw more power. Speaking from experience no motherboard despite them being designed this way will support the full power requirements of multiple graphics cards.
The result is that you will end up burning up the ATX power socket or worse burning a trace or other component on your motherboard. Overcoming this issue is simple and involves a simple modification to the PCI-Express riser cables.