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lsusb
Bus 001 Device 001: ID 0000:0000
Bus 004 Device 001: ID 0000:0000
Bus 003 Device 002: ID 04f3:0216 Elan Microelectronics Corp.
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 002: ID 0915:0005 GlobeSpan, Inc. LAN Modem
Bus 002 Device 001: ID 0000:0000
dmesg |grep -i usb
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
usbmon: debugfs is not available
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1
ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver
USB Universal Host Controller Interface driver v3.0
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
usb usb3: configuration #1 chosen from 1 choice
hub 3-0:1.0: USB hub found
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
Initializing USB Mass Storage driver...
usb 2-2: new full speed USB device using uhci_hcd and address 2
usb 2-2: configuration #1 chosen from 1 choice
usb 3-1: new low speed USB device using uhci_hcd and address 2
usb 3-1: configuration #1 chosen from 1 choice
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usbcore: registered new interface driver hiddev
input: USB Mouse as /devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.0/input/input1
input,hidraw0: USB HID v1.11 Mouse [USB Mouse] on usb-0000:00:1d.1-1
usbcore: registered new interface driver usbhid
drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver