Had some time to do some more digging and found out some lovely things about x99 chipset boards. I've included links to my research for those who may experience any similar issues:   An Intel document that mentions TLP timeouts http://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/core-i7-lga2011-3-spec-update.pdf   Another Intel document on the x99/c610 chipsets with information about TLP stuff http://www.intel.nl/content/dam/www/public/us/en/documents/spec