Read Instructions Carefully
These are the kexts and DSDT for the asus k53sv, Everything works except: nVidia GT50M (Graphics card) due to the nVidia Optimus switching technology and the Intel wireless card. If you want the wireless to work you can buy an atheros AR5B95 on ebay/amazone. The kext's work in Mountain Lion/Mavericks.
Buy at your OWN RISK.
You can always mail me if there are questions