HP-dv6 2138-CA(sp-48953)/ unlock advanced bios setup -> advanced chipset features

[YagoDDS]

Hello Everyone, i have a hp pavillion dv6 and i'm trying to improve the amount of memory dedicated for my onboard video card, so i need to acess the advanced menu/advanced chipset features to do this.
Could anyone help me with this situation?
Bios(sp48953) Download:Link:http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?cc=us&lc=en&dlc=en&tmp_geoLoc=true&softwareitem=ob-85682-1

I have already downloaded the file: http://dl.dropbox.com/u/45117524/bios-mo...miloml.exe , but it didnt solve my problem.

Thanks for the atention.