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iScroll2 is a modified trackpad driver written by Daniel Becker to allow two-finger scrolling on iBook and PowerBook models released before January 31, 2005, when the feature was introduced by Apple Computer for its new USB-based trackpads.


iScroll2 adds two-finger functionality to earlier ADB-based trackpads used in iBook G4 and Aluminum PowerBook G4 models released from 2003 to 2004. It does not support older PowerPC G3 notebooks and the first 12-inch Aluminum PowerBook G4 (867 MHz).[1][2] Developed from openly available Darwin source code, iScroll2 was initially released on February 7, 2005.[3]

Software conflicts[]

iScroll2 may interfere with the functionality of other trackpad drivers, such as FingaMIDI or SideTrack.[3]


  1. Secrets of Mac trackpad, from iBook to MacBook Air by Ryan Faas, Macworld. 2008-07-08.
  2. iScroll - two finger scrolling for older G4 Powerbooks/iBooks by Syonyk, Ars Technica OpenForum. 2007-04-17.
  3. 3.0 3.1 iScroll2: Two-Finger-Scrolling with pre-2005 PowerBooks and iBooks by Daniel Becker, SourceForge. Archived 2005-04-21.

See also[]

External links[]

  • iScroll2 by Daniel Becker at SourceForge
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