List all the specs of your rig. Mobo (bad choice an open box IMO), CPU (1090T), RAM, CPU, case, cooler, PSU.... all that info is necessary know before start to overclock.
The basic things that you need disable in your BIOS are this:
1- C1E support
2- Turbo core
After that, and the rig's specs list, read this guide: http://www.tomshardware.com/forum/258573-29-black-edition-overclock-raising-multiplier-guide
If you have any further question, let me know.