Controller /dev/usb0: addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), VIA(0x0000), rev 1.00 port 1 powered port 2 addr 2: full speed, power 100 mA, config 1, Hub in Apple USB Keyboard(0x1001), Alps Electric(0x05ac), rev 2.10 port 1 addr 3: low speed, power 50 mA, config 1, Apple USB Keyboard(0x0203), Alps Electric(0x05ac), rev 1.02 port 2 powered port 3 powered Controller /dev/usb1: addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), VIA(0x0000), rev 1.00 port 1 powered port 2 powered Controller /dev/usb2: addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), VIA(0x0000), rev 1.00 port 1 powered port 2 powered Controller /dev/usb3: addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), VIA(0x0000), rev 1.00 port 1 powered port 2 powered