Chapter 3. Using external devices
Your computer has many built-in features and connection capabilities.
CAUTION
Do not connect or disconnect any external device cables other than USB and 1394 cables
while the computer power is on; otherwise, you might damage your computer. To avoid
possible damage to attached devices, wait at least five seconds after the computer is shut
down to disconnect external devices.
Connecting a Universal Serial Bus (USB) device
Your computer comes with two Universal Serial Bus compatible with USB 2.0 or USB
1.1 devices such as a keyboard, mouse, camera, hard disk drive, printer, and scanner.
USB allows devices to be connected and disconnected without rebooting the
computer (hot swapping), and allows specific classes of hardware to be used without
requiring individual device drivers to be installed.
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