[HELP] HP Z4 G4 C422 + W2150B

Hi guys
My platform is HP Z4 G4 C422 + W2150B


OC struck at
6181582177944_.pic_hd.jpg
BIOS is 2.40
My friends told me that I need downgrade BIOS to 1.xx but which couldn't be found.

Clover install successed,but lost Turbo Boost.
Is there some way out?

Author: walktewy