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Using Time Machine on an Unsupported NAS - MacMod
http://news.google.com/news/url?sa=T&ct=us/8-0&fd=R&url=http://www.macmod.com/news/112-taskbasedbundles/1771-timemachinenassetup&cid=0&ei=D-6LSe-3KIaqNrL5ka8K&usg=AFQjCNGWheBxBfvz1vcUx9l0qZIpl_hTIQ