Introduction iScroll2 is a modified trackpad driver that adds two-finger scrolling capabilities to supported pre-2005 PowerBooks and iBooks on OS X 10.3 and up. Supported models include most aluminum PowerBooks introduced from 2003 to 2004 as well as most G4 iBooks. Note: Models that have two-finger scrolling already built-in are not supported! These use a completely different, USB-based trackpad,