Hi everyone,
So I installed Yosemite on my machine with pretty much the perfect scenario, installer booted, installed, booted into the OS via the USB drive and ran Multibeast. After I installed the DSDT for my motherboard (yes I confirmed I am running version F8) I could not boot or get the loading bar to move when I boot without loading from the USB drive. Here's the result when I boot using verbose:
http://i.imgur.com/fplNvRi.jpg
I even tried installing without a DSDT to see if that would help, but no dice. Thanks in advance for the help.
EDIT: Solved it thanks to jarotte's help. To those of you searching for the answer for this fix, just check the ACPI Rollback for 5/6-series boards in MultiBeast.