This article relates to Cisco TelePresence PrecisionHD USB Camera.
Q. What happens if I plug the PrecisionHD USB camera into a USB 1.0 port?
A. When the PrecisionHD USB camera is connected to a USB 1.0 port, Windows displays the message; "The device can perform faster. This USB device can perform faster if you connect it to a Hi-Speed USB 2.0 port ..."
The PrecisionHD USB Camera is enumerated and will connect but will fail to stream video and audio.
(Enumeration is the technical term for the camera device to be discovered by the PC with proper USB communication established.)