dmesg ukbd0: Chicony PFU-68 USB Keyboard, rev 1.10/1.00, addr 3, iclass 3/1 kbd1 at ukbd0 usbdev -v Controller /dev/usb0: addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), Intel(0x0000), rev 1.00 port 1 addr 2: full speed, power 90 mA, config 1, Generic USB Hub(0x0068), Chicony(0x0472), rev 1.00 port 1 addr 3: full speed, self powered, config 1, PFU-68 USB Keyboard(0x0068), Chicony(0x0472), rev 1.00 port 2 powered port 3 addr 4: low speed, power 100 mA, config 1, mouse(0x0001), Cypress Semiconductor(0x04b4), rev 0.00 port 2 powered