Yeah, rc12 didn't make mine work either.

I just gave it a try, same as it ever was. The lights on the NIC claim link, Windows disagrees.

Dang.

I just created a support request today asking if there was a newer rc firmware for this issue. :|

My Windows desktop with X520 did not see connectivity w/ the stock firmware, nor w/ rc25 or even rc12. On stock and rc25, it says it isn't connected even though link lights and the switch ui at the other end claim otherwise. On rc12, it seems to *link*, but then cannot dhcp.

I suspect these problems may be hardware related. If the problems could be fixed by software, I would think that they would have resolved them already. Not being able to access management on SFP+. How hard could that possibly be to fix? Have you tried any of the RC firmware? They've already fixed t...