Here is a link from Intel with an errata list.

http://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/7-series-chipset-pch-spec-update.pdf

Sad but they do not plan to fix these issues. Looks like we are on our own to compensate for this great native USB 3.0 support by Chipset with a 3rd party controller so we can use USB 3.0 + other ports for our devices.