Changelog for iwl6000-firmware-9.221.4.1-1.el6.noarch.rpm :

* Mon Jun 21 2010 John W. Linville - 9.221.4.1-1- Update for upstream version 9.221.4.1
* Wed Feb 24 2010 John W. Linville - 9.193.4.1-1- Update for upstream version 9.193.4.1
* Tue Nov 10 2009 John W. Linville - 9.176.4.1-2- Add Requires for udev
* Mon Nov 09 2009 John W. Linville - 9.176.4.1-1- Initial import