External Devices
Hardware Guide 7–3
Using a USB Device
Universal serial bus (USB) 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. The
notebook has a standard USB connector 1 and a self-powered
USB connector 2 that connects an optional external MultiBay.
The USB connectors support USB 2.0 and USB 1.1 devices.
USB hubs can be connected to a USB connector on the notebook
or on an optional 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.
A USB device functions in the same way as a comparable
non-USB device, with one exception. By default, USB devices
do not function unless an operating system that supports USB
is installed in the notebook.
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.
333644-001.book Page 3 Thursday, July 10, 2003 2:56 PM
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