Thanks for links.

You bet..
If you get a second, i posted a while back about an issue I'm having in 0017 where one card runs at 66% capacity while the others are at 100%. I'm just wondering if that's something you've seen before, and if there might be a straight forward solution to it. If not, I'll probably just wait until I swap boards in a few days to mess with it since otherwise it's running solid as a rock with all 6 gpus.
Is the hashrate lower with the GPU running at 66%?
yeah by about 100 sol/sec or so
EDIT: actually by about 130 sol/sec, and the power going to the card is only 2/3 most of the time... 145-150w for other cards, and only 85-110w for that one.