I found these 3 files below that might be useful. They are all pretty large, between 2-6MB. They were on this page: http://www.usb.org/developers/docs.html ftp://ftp.compaq.com/pub/supportinformation/papers/hcir1_0a.pdf ftp://download.intel.com/design/usb/UHCI11D.PDF http://www.usb.org/developers/data/usb_20.zip
