REQ Unlock Dell Precison T5500

Dell Precision T5500 Workstation
OS: Arch Linux
Bios: A16
Dell Bios Link:
http://www.dell.com/support/home/us/en/1...egoryId=BI
Download link is on that page but is javascript link so could not link directly.

Thank you.
My goal is to be able to set the Front Side Bus so that I can overclock the cpu from bios.