System information

External Devices
Hardware Guide 8–3
Connecting a USB Device
USB (Universal Serial Bus) is a hardware interface that can be
used to connect external devices, such as a USB keyboard,
mouse, drive, printer, scanner, or hub to the notebook or an
optional Port Replicator.
USB hubs can be connected to a USB connector on the notebook
or a Port Replicator or to other USB devices. Hubs support
varying numbers of USB devices and are used to increase the
number of USB devices in the system:
■ Powered hubs must be connected to external power.
■ Unpowered hubs must be connected either to a USB
connector on the notebook or to a port on a powered hub.
Some USB devices may require additional support software,
which is usually included with the device. For more information
and software installation instructions, refer to the documentation
included with the device.
Identifying the 2 USB connectors on the notebook
279360-002.book Page 3 Friday, December 13, 2002 2:11 PM