- I don't know exactly. My wife bought it for college in 2002 and it still works, so we use it. The "about this mac section" says I am running Mac OS X v10.4.11, with a 600MHz PowerPC G3. Almost anything is better than hand punching coordinates into the GPS. Matt **************************************** For List Info or To make _ANY_ changes, including unsubscribing from this list, click -----> //www.freelists.org/list/geocaching Missouri Caches Scheduled to be Archived http://tinyurl.com/87cqw