[ANN] Bitfury is looking for alpha-testers of first chips! FREE MONEY HERE!

[kano]

No, it can mine to three pools if you want it to.  It's not a great piece of software, but it does work.

Hmm then why was this problem reported?
https://asktom.cf/index.php?topic=49417.msg3153384#msg3153384
A user mistake?

it's load balanced, not failover.

Ah OK - my mistake then - it's not as bad as I thought.

[papamoi]

Of course, you're not just paying for a piece of silicon wafer, but also for the months of design work, the cost of the mask set, as well as a risk premium.

Isn't ghash.io running 170TH/s of Bitfury? That sale alone would have paid for the mask and design work.

while people who have paid in advance(and who have financed the mask and all) in the 100 th project are struggling to get their devices online,
ghash.io is having already 20% of the network?

isnt that cool?

[Anduck]

Of course, you're not just paying for a piece of silicon wafer, but also for the months of design work, the cost of the mask set, as well as a risk premium.

Isn't ghash.io running 170TH/s of Bitfury? That sale alone would have paid for the mask and design work.

while people who have paid in advance(and who have financed the mask and all) in the 100 th project are stuggling to get their devices online,
ghash.io is having already 20% of the network?

isnt that cool?

So what? Ghash.io is not 100th or BFSB or MegaBigPower.

[papamoi]

Of course, you're not just paying for a piece of silicon wafer, but also for the months of design work, the cost of the mask set, as well as a risk premium.

Isn't ghash.io running 170TH/s of Bitfury? That sale alone would have paid for the mask and design work.

while people who have paid in advance(and who have financed the mask and all) in the 100 th project are stuggling to get their devices online,
ghash.io is having already 20% of the network?

isnt that cool?

So what? Ghash.io is not 100th or BFSB or MegaBigPower.

well if you are happy to finance all the set up and get your devices while other s have their s online already ,then there is no issue

[juhakall]

No, it can mine to three pools if you want it to.  It's not a great piece of software, but it does work.

Hmm then why was this problem reported?
https://asktom.cf/index.php?topic=49417.msg3153384#msg3153384
A user mistake?

It can mine to three pool simultaneously. A backup pool strategy is not supported, it's load balancing if you set multiple pools.

I was still on the previous page

Doesn't seem useful to run multiple proxies on the same pool. I was just running one and had the rest disabled, to make monitoring the effective hashrate easier.

I'm thinking of a crude shell script to restart the stratum proxy in case a pool goes down, but I've yet to figure out how to detect when a pool comes back up.

[goodney]

Here is my FuryBug BitFury development board.

I just sent this board off to OSHPark to get fabbed. So I should have them back in 10 days or so.

Features:

On board 1.8V and 3.3V voltage regulators.

3.3V I/O with level shifters.

On board 5.5A adjustable Vcore.

BitFury ASIC mounted on the bottom to allow for up to a 40x40mm heat-sink on top.

Thoughts and feedback appreciated.

Now, at this time I do not have any BitFury ASICs, however I will offer one of these boards fully populated in trade. PM me if interested. Of course I'm willing to share the design files once I know it works.

[itod]

Now, at this time I do not have any BitFury ASICs, however I will offer one of these boards fully populated in trade. PM me if interested. Of course I'm willing to share the design files once I know it works.

Nice concept with space for heatsink and nice board! Looking forward for test results.

[vulgartrendkill]

First prototype of Bitfury S-HASH board is hashing:


Features:

• 16 Bitfury ASIC capacity
• Adjustable (through 0805 SMT resistor) voltage regulator between 0.7 and 0.9V
• Core voltage regulator has 50A capacity, so chips can be overclocked.
• On-board ARM Cortex M3 processor with standard RJ-45 100 Mbps Ethernet port.
• Built-in mining software can operate stand-alone. No PC or Raspberry PI needed, just an internet connection.
• TCP/IP stack with DHCP and DNS support. Just fill in pool server name, port number, username and password.
• Support for Stratum and backup mining pools.
• Built-in small webserver for chip status/speed reports.
• PCB temperature sensor, could be used for automatic shutdown when temperature gets too high.

If you don't have the budget for a large number of chips, overclocking is the best option, as it will get you 40GH/sec out of a card (probably more with better cooling), instead of 25GH for a standard H-CARD for the same 16 chips. At 40GH/sec, the card uses about 35 Watts, running off a standard 12V DC supply.

Just a quick question, when you say 12v dc supply, does that mean I can power using a pc psu? and if some what connectors would I use?

just bought 2 from technobit....

Thanks

[cscape]

Just a quick question, when you say 12v dc supply, does that mean I can power using a pc psu? and if some what connectors would I use?

just bought 2 from technobit....

Thanks

The latest version has a barrel jack for power instead of the 2 pin molex in the picture. Nicest solution is a compact brick with a barrel jack. You need about 4A if you don't go wild with overclocking. A PC PSU will work too, but needs an cable adapter.

[vulgartrendkill]

Just a quick question, when you say 12v dc supply, does that mean I can power using a pc psu? and if some what connectors would I use?

just bought 2 from technobit....

Thanks

The latest version has a barrel jack for power instead of the 2 pin molex in the picture. Nicest solution is a compact brick with a barrel jack. You need about 4A if you don't go wild with overclocking. A PC PSU will work too, but needs an cable adapter.

Similar to the ones cablez makes and sells? http://imgur.com/a/Hm3Ua   If so I already have one!

Nice.

Thanks for the clarification!!

[cscape]

Similar to the ones cablez makes and sells? http://imgur.com/a/Hm3Ua   If so I already have one!

The + needs to be in the center, and the - on the outside ring. This is the most common configuration, but of course there are some exceptions, so watch out.

[erk]

Of course, you're not just paying for a piece of silicon wafer, but also for the months of design work, the cost of the mask set, as well as a risk premium.

Trust me, most of us are comfortable with that.  I'm more uncomfortable with the fact that the prices are staying set right at the ragged edge of profitability, and they're higher than they were originally announced to be.

There is no headroom in the chip pricing, all sorts of unknowns creep in when you are trying to make boards, then you add the fact that the ROI mostly governed by the price of one component, and you enter a high risk scenario.

I think the future of ASIC is small home rigs with no aircon and other overheads, exactly where many of the independent board designs are focused. I may be wrong, but it looks like how BTC difficulty works, it leaves no room for the cost of aircon, data center rental, and staff all of which the small home rig avoids by subsidy of normal living. I don't see the big farms at Bitfury's future clients unless they intend to wind up chip production and retire when the farms eventually become unprofitable.

[vulgartrendkill]

Similar to the ones cablez makes and sells? http://imgur.com/a/Hm3Ua   If so I already have one!

The + needs to be in the center, and the - on the outside ring. This is the most common configuration, but of course there are some exceptions, so watch out.

Thanks for the heads up!  I'll check with Cablez...

[klondike_bar]

Of course, you're not just paying for a piece of silicon wafer, but also for the months of design work, the cost of the mask set, as well as a risk premium.

Trust me, most of us are comfortable with that.  I'm more uncomfortable with the fact that the prices are staying set right at the ragged edge of profitability, and they're higher than they were originally announced to be.

There is no headroom in the chip pricing, all sorts of unknowns creep in when you are trying to make boards, then you add the fact that the ROI mostly governed by the price of one component, and you enter a high risk scenario.

I think the future of ASIC is small home rigs with no aircon and other overheads, exactly where many of the independent board designs are focused. I may be wrong, but it looks like how BTC difficulty works, it leaves no room for the cost of aircon, data center rental, and staff all of which the small home rig avoids by subsidy of normal living. I don't see the big farms at Bitfury's future clients unless they intend to wind up chip production and retire when the farms eventually become unprofitable.

you seem to be completely dicounting power usage and price. A 'home rig' may cost $0.09-0.19/kWh  while a hosted rig at a data center will cost $0.03-0.09/kWh. a few dollars a day per rig, plus shared AC costs, means that hosting a 100 units on cheap power provides enough savings for all your above gripes (rental, techguy, etc)

I know that by paying less than 10c/kWh where I am, that it gives me a decent leg up over much of the USA's home miners, because the power usage will become more important than the hashrate very soon

[erk]

you seem to be completely dicounting power usage and price. A 'home rig' may cost $0.09-0.19/kWh  while a hosted rig at a data center will cost $0.03-0.09/kWh. a few dollars a day per rig, plus shared AC costs, means that hosting a 100 units on cheap power provides enough savings for all your above gripes (rental, techguy, etc)

I know that by paying less than 10c/kWh where I am, that it gives me a decent leg up over much of the USA's home miners, because the power usage will become more important than the hashrate very soon

Have you ever operated a commercial data center?  I have, they cost a lot to run, and it varies from location to location, you can't generalize and say data center electricity is $0.03-0.09/kWh. for every watt of mining power, you use a watt of aircon/lights etc. Data center racks are some of the most expensive real estate on the planet per sq. ft.


http://www.electronics-cooling.com/2007/02/in-the-data-center-power-and-cooling-costs-more-than-the-it-equipment-it-supports/

[Micky25]

and add all the centers that will be shut down by governments/law enforcement in the not so far future.

[giorgiomassa]

and add all the centers that will be shut down by governments/law enforcement in the not so far future.

Yeah, with the US and the EU being the most risky places in the world to see this happening.

[mjgraham]

I wish I had gotten in on this months ago, I have to say I am impressed by the work done and the fact people can get boards make so quickly! I thought I was doing good getting my BEs running at 730Mh/s , all the time and work in doing that could have done a lot more with so much less. Seeing the design there is not much to change really I have tried to read every post on this, are there any major design changes that I might have missed? May lay out basically a single test board like I have seen, didn't see and design files laying around so I guess I'll lay one out. Good job to everyone involved pretty amazing!

[goodney]

I wish I had gotten in on this months ago, I have to say I am impressed by the work done and the fact people can get boards make so quickly! I thought I was doing good getting my BEs running at 730Mh/s , all the time and work in doing that could have done a lot more with so much less. Seeing the design there is not much to change really I have tried to read every post on this, are there any major design changes that I might have missed? May lay out basically a single test board like I have seen, didn't see and design files laying around so I guess I'll lay one out. Good job to everyone involved pretty amazing!

I can send you my design files and BOM if you'd like. I haven't built the board yet as it's not back from the fab, but if you want to get some made yourself, let me know.

[itod]

I can send you my design files and BOM if you'd like. I haven't built the board yet as it's not back from the fab, but if you want to get some made yourself, let me know.

Would you consider, once you verify your board is working, to organize kits for interested buyers? If you order PCBs in some quantity you can get a discount not available if everyone orders PCB for himself. You can call a vote to see how many are interested, collect the money and order collective buy of components (everything except BF chips), with appropriate fee for you efforts.