Thought I'd add my successes with this motherboard as well.
Install went perfectly on my blank SSD drive from USB boot drive. However, could not boot into OSX right after installation. Running -v got the cpupower error. Ran into safe mode, booted. Was super stoked which led to user error and I installed everything in multibeast which ended up in other errors.
What worked:
Did another clean install USB boot.
Boot into safe mode first after initial installation -x
Installed easybeast, trim, universal codec (voodoo). Intel ethernet. Works great now. Some minor graphical errors but they come and go and a restart is sometimes required from cold boot. But again all minor.
Cheers! Part of the hackintosh community. Hope this helps someone.