This Guide is for the "Asus P8Z77-V Premium" Board, Yosemite works with all the basics, just to give you an Idea of what to expect, glitchy sound, graphics, usb 2.0 + glitchy usb 3.0, disk drive + HHD/SSD, the basics as I said, Will work, but don't expect all system chips to be seen, or...