Overclock BIOSTAR H55 A+ v6.3 + Xeon X3440 2.5 @ 3.8 GHz

[Hav4k]

Hi.

I have a BIOSTAR H55 A+ v6.3 motherboard, Xeon X3440 CPU and 8 GB of RAM. My specs are:

http://imgur.com/a/1IR83

How to OC this CPU to 3.8 GHz? Thanks for reply. Like this:

https://www.youtube.com/watch?v=UK9KAGd_g-s

https://www.youtube.com/watch?v=-5swkXbAw0A

Bye.