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Topic: FPGA Miners? - page 2. (Read 12872 times)

legendary
Activity: 1022
Merit: 1000
BitMinter
February 05, 2012, 09:51:45 AM
#2
It's a small board with a special (FPGA) chip on it. You connect it via USB to your PC and feed it with 12 Volts. The bitstream is loaded to the FPGA via USB. Ztex has an easy to use software ready. The main advantage a FPGA board has over a graphics card is that i uses a lot less power. About 30W (3 ztex boards) compared to 200+W for the newest GPU for around 600 MH/s. You can make about 20 to 30$ per month with 250MH/s without power cost ! Most boards won't run that fast with one chip.

For questions about FPGA itself you should ask people like ztex, rph, eldentyrell or artforz.
jr. member
Activity: 36
Merit: 1
February 05, 2012, 08:51:36 AM
#1
Hi Bitcoin Folks!

I've got a few questions about FPGA Mining

What exactly is an FPGA Miner? I've seen links to buy FPGA Board/Cards, but how do they work?
Are they PCI type cards for a PC? If not, how do you configure one to Mine / Pool Mine? (Can they pool mine at all?)

What's the profitability of one too? I'm guessing one running at about 250MH will use the same power as something like a Sky box, which is normally switched on in a house 24/7 so electricity usage wouldnt change much!
How many BTC/Month would this bring @ 250MH?

I'm thinking of buying one. But I want to know everything about how they work first.

I've seen them with ports such as audio and usb etc, but just how would I configure and use it if I Bought one??
I want to buy one, but only after knowing all the ins and outs of it. Electricity costs, cooling, how to configure. Etc

Can anyone shed some light on them?
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