RGH (Reset Glitch Hack) allows you to do the following with you XBOX 360 console.
-Run custom dashboard (xexmenu, aurora, etc)
-Play backups from usb drive
-Use any size or unoffical hdd (1tb+)
-Play emulators and homebrew
-Play modded / hacked games
-Much more
Chip costs $25 but will install for another $25 (a total of $50)
Please include MFR date located by serial number when inquiring to see if your is compatible.