User Manual
Page 11
.... USB supports hot-swapping of devices so that paper, books, clothing, cables, or other objects do not block any of the air vents or else overheating may occur. 3 USB Port (2.0/1.1) The USB (Universal Serial Bus) port is compatible with some peripherals acting as keyboards, pointing devices, cameras, hard disk drives, printers...
.... USB supports hot-swapping of devices so that paper, books, clothing, cables, or other objects do not block any of the air vents or else overheating may occur. 3 USB Port (2.0/1.1) The USB (Universal Serial Bus) port is compatible with some peripherals acting as keyboards, pointing devices, cameras, hard disk drives, printers...