https://www.youtube.com/watch?v=d2DL5iGFskIIt says you can still mine in full (~28 Mhs) with a 4Gb card Ethereum (ETH) if you insert it into the x16 slot on the Mobo. I guess only on the first slot.... DAG is loaded into the RAM? What do you guys think?
It works. But yeah, need a board with the bandwidth. And you need to use lolminer.