https://litecointalk.org/index.php?topic=27370.0 I run my MAT/Alcheminer a few days a week and eth mine everyday , I'm what you would call a hobby miner , and it is a hobby for me with a kind of reward . i flashed my boards using that guide, if you flashed your boards and need to fix a bricked one ask jstefanop he may be able to help you, if you want to flash the boards with that firmware , bfg is free the firmware it self may not be ask jstefanop he may give it to you or ask for a few bucks for it, he wrote it.