“Close inspection of the [Apple iPod shuffle’s] USB plug reveals that there is something going on here… A normal USB plug has 4 contacts (5 counting the shield), but this one seems to have 5 extra,” Chipmunk International reports on a page they have posted that shows an iPod shuffle’s dissection. “There seems so be a secret extra something built into the iPod shuffle that can interface via the extra contacts hidden in the USB plug… This iPod shuffle is brand new and has not been plugged into anything since leaving the factory. Yet the middle of the 5 extra contacts has clearly been used. So whatever it is, the manufacturer is using the middle pin in the factory.”
Full article, with images here.
MacDailyNews Take: Calling all USB experts plug design experts! Any ideas and/or explanations?