Thank you so much for taking the time to read, answer and help me. You are very kind
http://beagleboard.org/black
http://www.amazon.com/Beagleboard-BEAGLBONE_BLACK_SELF-BeagleBone-Rev-C/dp/B00K7EEX2U/ref=sr_1_1?ie=UTF8&qid=1444072778&sr=8-1&keywords=beaglebone+black
Thank you, it kinds of tranquilize me to think that I can get a sparepart kind of fast, how ever even when the 56 $ hurts a lot, what hurts more is not having the guarantee that it will work (imagine that 60$ spent on something that wont help me + more days of down miner) so it will be amazing if other forums members could shine us some light about this). Im still have to things left to do: using a cross over cable to connect directly to the miner, and trying to reimaging it using a tutorial As dimke_yu has written