Display USB device configuration
You must be root to run this utility. |
usb [-b busno -d devno -N name] [-t] [-V] [-v]
Neutrino
The usb utility displays USB device configuration. As you repeat the number of -v (verbose) options, you'll get more levels of detail.
Here's some sample output from the command usb -vvv. Note that two USB devices (an Ethernet card and a printer) are installed in this case.
USB (UHCI) v1.10, v1.00 DDK Control, Interrupt, Bulk, Isoch, Low, High Device Address : 1 Vendor : 0x0506 (3COM) Product : 0x03e8 (3COM USB Network Interface (3C19250)) Device Release : r0.02 USB Spec Release : v1.00 Serial Number : 009004BB78F9 Class : 0x00 (Independent per interface) Max PacketSize0 : 8 Languages : 0x0409 (English) Configurations : 1 Configuration : 1 Attributes : 0x80 (Bus-powered) Max Power : 110 mA Interfaces : 1 Interface : 0 / 0 Class : 0x00 (Unknown) Subclass : 0x00 Protocol : 0x00 Endpoints : 3 + Control Endpoint : 0 Attributes : Control Max Packet Size: 8 Endpoint : 1 Attributes : Bulk/IN Max Packet Size: 64 Endpoint : 2 Attributes : Bulk/OUT Max Packet Size: 64 Endpoint : 3 Attributes : Interrupt/IN Max Packet Size: 8 Interval : 1 ms Device Address : 2 Vendor : 0x04a9 (Canon) Product : 0x1055 (BJC-85) Device Release : r0.70 USB Spec Release : v1.10 Serial Number : 44OFBr Class : 0x00 (Independent per interface) Max PacketSize0 : 8 Languages : 0x0409 (English) Configurations : 1 Configuration : 1 Attributes : 0x40 (Self-powered) Max Power : 2 mA Interfaces : 1 Interface : 0 / 0 Class : 0x07 (Printer) Subclass : 0x01 Protocol : 0x02 Endpoints : 2 + Control Endpoint : 0 Attributes : Control Max Packet Size: 8 Endpoint : 1 Attributes : Bulk/OUT Max Packet Size: 64 Endpoint : 2 Attributes : Bulk/IN Max Packet Size: 64
devu-ehci.so, devu-ohci.so, devu-uhci.so, io-usb
Connecting Hardware in the Neutrino User's Guide