As Bitcoins have become more valuable, they've also become much harder to accumulate using the mathematical process known as "mining." This air of futility hasn't fazed ASRock, however, as the company has revealed two new motherboards that promise to help DIY-ers to "join the gold rush now!" The H61 Pro BTC and H81 Pro BTC are both Intel socket boards, with the latter being Haswell compatible, and their main party trick is to carry extra PCIe slots and power connect