...the ARM web release may be misleading, if not inaccurate... says Rick Goerner, CEO PTSC
IMO non-infringement was on claim 29 of the '584 only, since at that time all other patents were under reexamination at the USPTO.
http://www.hawkassociates.com/clients/press/full_news_as_pdf.cfm?client_id=12&news_id=1398