Currently in contact with Gigabyte engineer via PR.

Issues:
- Full unlock of X2 to X4 gives instant freeze at load
- Voltage issues

New BIOS:
https://rapidshare.com/files/841281666/99FXAUD7.F4g

Fixed: Nothing

See for yourself.

PS: I'm not sure if I'm allowed to post these BIOSes, so as long as I don't hear otherwise I'll keep 'm coming. Please do report back!