Sorry , just checked mine, Yeah it's running at ver 1.1 on yours, I would have thought it should be 2.0, I don't think it will be so much the bandwidth issue but it does look like the two are not quite as they should be.
Might be worth trying a couple of games now you have the latest drivers and bios before we look further.
Might be worth trying a couple of games now you have the latest drivers and bios before we look further.