I got myself into a polarity snafu. Not entirely sure how, though I'm guessing what appeared to be a PCI-e was actually a CPU input, which I believe crossover. Or the yellow was actually the negative and the black the positive. It is what it is.
My Gridseed popped when I plugged it in. I dismantled it, and saw one of the fan wires had blown off, so I soldered it back on and the fan runs fine now.
However, I don't know whether further irreparable damage has been done. I don't have my horde of USB cables in yet nor have I configured my Raspberry Pi yet so I can't test the miner just yet. But I have a picture and I'm hoping someone can take a stab at where I stand.
http://i57.tinypic.com/2u619hz.jpg