X99 Issue after update

[Gruntos]

Just a question, As I am using Mac Pro 6,1 would this issue have anything to do with apple capping the max frequency in IOPlatformPluginFamily.kext ?

 

[Edhawk]

No, as the MacPro6,1's max turbo boost is 3.9 GHz according to EveryMac:

MacPro 6,1 CPU (Ivy Bridge-E) information