High Efficiency FPGA & ASIC Bitcoin Mining Devices https://BTCFPGA.com

[DiabloD3]

https://bitcointalk.org/index.php?topic=77469.msg887606#msg887606

Not sure if everyone has seen the profit evaluation I did on FPGAs yet.

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[matthewh3]

https://bitcointalk.org/index.php?topic=77469.msg887606#msg887606

Not sure if everyone has seen the profit evaluation I did on FPGAs yet.

BFL-Singles may even be using second-hand used chips explaining there six month only warranty.  Also I've thought about green electricity for Red Star Mining.  I can get 100% green sourced renewable electricity supplied for around £0.134kWh.

[DiabloD3]

https://bitcointalk.org/index.php?topic=77469.msg887606#msg887606

Not sure if everyone has seen the profit evaluation I did on FPGAs yet.

BFL-Singles may even be using second-hand used chips explaining there six month only warranty.  Also I've thought about green electricity for Red Star Mining.  I can get 100% green sourced renewable electricity supplied for around £0.134kWh.

a) Holy shit, thats 0.2166 USD kwh. You are getting raped over there.
b) Thats not quite the same as generating your own power and selling the excess to make your investors more money.

[matthewh3]

https://bitcointalk.org/index.php?topic=77469.msg887606#msg887606

Not sure if everyone has seen the profit evaluation I did on FPGAs yet.

BFL-Singles may even be using second-hand used chips explaining there six month only warranty.  Also I've thought about green electricity for Red Star Mining.  I can get 100% green sourced renewable electricity supplied for around £0.134kWh.

a) Holy shit, thats 0.2166 USD kwh. You are getting raped over there.
b) Thats not quite the same as generating your own power and selling the excess to make your investors more money.

No that price is for 100% green sourced renewable electricity.  I'm currently paying £0.11125 kWh (and yes there is cheaper suppliers) and yes electricity in the UK is generally dearer than the US tho cheaper then many places in Europe and elsewhere.  In running the Modminer development board I currently have I get at least >3.6BTC a week that costs me £0.76 for the ModMiner development board I'm currently using.

[stcupp]

https://bitcointalk.org/index.php?topic=77469.msg887606#msg887606

Not sure if everyone has seen the profit evaluation I did on FPGAs yet.

Just wondering.... why didn't you include the X6500 in this?
also Lancelot isnt released yet as far as I know so nobody knows what mh/s per watt its going to be. nzghang himself says their goal is over 500 mh/s but he doesnt know yet...

Btw eldentyrell said something about releasing his new bitstream near the end of the month which would boost performance of all Spartan 6 boards that can handle the extra power and cooling requirements....

[DiabloD3]

https://bitcointalk.org/index.php?topic=77469.msg887606#msg887606

Not sure if everyone has seen the profit evaluation I did on FPGAs yet.

Just wondering.... why didn't you include the X6500 in this?
also Lancelot isnt released yet as far as I know so nobody knows what mh/s per watt its going to be. nzghang himself says their goal is over 500 mh/s but he doesnt know yet...

Btw eldentyrell said something about releasing his new bitstream near the end of the month which would boost performance of all Spartan 6 boards that can handle the extra power and cooling requirements....

Whats the $, mh, and w for the X6500? I'd like to add it.

[stcupp]

Whats the $, mh, and w for the X6500? I'd like to add it.

http://fpgamining.com/documentation/hardware/power-measurements
http://fpgamining.com/products/x6500-rev3

[DiabloD3]

Whats the $, mh, and w for the X6500? I'd like to add it.

http://fpgamining.com/documentation/hardware/power-measurements
http://fpgamining.com/products/x6500-rev3

Added it.

[eldentyrell]

Which pin are you using for a clock input?

[mem]

wish list

• 8x, 16x & 32x motheboards
• souce code used for your arm chip
• rj45 lan port connected to the arm cortex
• more screenshots
• lower price (not complaining just wishing)

The arm chip you are using may be powerful enough to run a rtos, even if not Im sure there are plenty of people (myself included) that would love to attempt adding a webui, the miner/ a miner and a TCP/IP stack to the code so these devices could become stand alone network devices configured via web interface removing the need for a pc entirely.

Just me thinking out loud, absolutely love the design.

[GenTarkin]

So, are these things ready for purchase right now? or there a long waiting list even if you order?

[PatrickHarnett]

So, are these things ready for purchase right now? or there a long waiting list even if you order?

They are available for purchase. 

I have put in place finance for a buyer for five units (1000 coins) and the delivery guarantee penalty they have cuts severely into margins, so they have a strong incentive to get them to users once ordered.

[GenTarkin]

nice, how soon would cgminer be able to mine using one of these?
Also, is the individual parts ready for purchase as well?
IE: might be interested in starting w/ just the backplane & 1 fpga and growing it over time.

[stcupp]

Which pin are you using for a clock input?

Which clock input? the main clock for the FPGA? the jtag clock inputs? or the ARM clock input?

wish list

• 8x, 16x & 32x motheboards
• souce code used for your arm chip
• rj45 lan port connected to the arm cortex
• more screenshots
• lower price (not complaining just wishing)

The arm chip you are using may be powerful enough to run a rtos, even if not Im sure there are plenty of people (myself included) that would love to attempt adding a webui, the miner/ a miner and a TCP/IP stack to the code so these devices could become stand alone network devices configured via web interface removing the need for a pc entirely.

Just me thinking out loud, absolutely love the design.

Bigger backplanes will be coming =]

I will probably open source the arm chip code however IDK if I can release the whole thing.... I'm using the USB CDC stack from Keil for now which is open source but I think it has some stupid licensing that doesn't let anyone but Keil distribute the source I have to look into it....

Sorry, but no rj45 for this board =[ I'm using the LPC1343 on this board and it doesn't include ethernet. However, I planned on using a beefier 100 pin 120MHz LPC1769 that includes ethernet and all the goodies on the bigger backplanes =]

More pictures in a couple days!!! (Sorry I've been really busy working on firmware.)

nice, how soon would cgminer be able to mine using one of these?
Also, is the individual parts ready for purchase as well?
IE: might be interested in starting w/ just the backplane & 1 fpga and growing it over time.

I'd say we should have cgminer mining on this board in a couple weeks 1 month max.

Yes you can get the board with 0-4 fpga cards. Check this page out:

http://www.btcfpga.com/index.php?route=product/product&product_id=54

[filharvey]

I Like the fact that you are now offering it so that you can upgrade the board and purchase with less on. But where is the option on your web site to purchase the the cards individually once you have bought the back board?

Phil

[stcupp]

I Like the fact that you are now offering it so that you can upgrade the board and purchase with less on. But where is the option on your web site to purchase the the cards individually once you have bought the back board?

Phil

Not yet I was going to add that today whenever I got the time....

[GenTarkin]

So, Im curious will the fpga's themselves come w/ the heatsink pictured? Will this be suffecient enough cooling to perform @ 200mh/s / fpga?
Or will I need to go find HSF's for them as well?

[TheSeven]

nice, how soon would cgminer be able to mine using one of these?
Also, is the individual parts ready for purchase as well?
IE: might be interested in starting w/ just the backplane & 1 fpga and growing it over time.

I'd say we should have cgminer mining on this board in a couple weeks 1 month max.

What do you base that information on? Are you piggybacking on nelisky's x6500 cgminer porting effort? Or who's gonna port that?

[stcupp]

So, Im curious will the fpga's themselves come w/ the heatsink pictured? Will this be suffecient enough cooling to perform @ 200mh/s / fpga?
Or will I need to go find HSF's for them as well?

No, We've updated the boards to allow for bigger northbridge /  older GPU heatsinks, the new design also includes 4 fan headers. We plan on putting a heatsink/fan combo on each fpga that will dissipate around 25 watts of heat which is more than enough cooling for these FPGA's. Heres some examples:
http://www.newegg.com/Product/Product.aspx?Item=N82E16835119079
http://www.vantecusa.com/en/product/view_detail/93

What do you base that information on? Are you piggybacking on nelisky's x6500 cgminer porting effort? Or who's gonna port that?

The interface is similar to Icarus and BFL, as long I have time I will code it myself... but I may find someone else that already knows cgminers source very well to do it, I'm not sure yet.

[TheSeven]

Ah, right, forgot that you moved away from that FTDI in the meantime