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34 Chapter 3 Using Your Computer
Universal Serial Bus (USB)
Your PowerBook comes with two USB 2.0 ports (d), also referred to as Hi-Speed USB,
which you can use to connect many types of external devices, including printers,
scanners, digital cameras, game pads, joysticks, keyboards, and floppy disk drives. Your
USB 2.0 ports are compatible with earlier USB devices. In most cases you can connect
and disconnect a USB device while the computer is running. Once you connect the
device, it is ready to use. You don’t need to restart or reconfigure your computer.
Using USB Devices
To use a USB device with your computer, simply connect the device to the computer.
Your computer automatically loads the correct software whenever you connect a new
device.
Note: Apple has already included software to work with many USB devices. If your
PowerBook cannot find the correct software when you connect a USB device, you can
either install the software that came with the device or follow the onscreen prompts to
use the Internet to locate, download, and install the correct software.
USB Devices and Battery Power
USB devices, such as joysticks and keyboards, that get power from the USB connection
instead of a separate power adapter can be used with your PowerBook. However, these
types of USB devices can cause your PowerBook battery to become depleted faster.
If you are using the device for an extended period, it is a good idea to connect the
PowerBook power adapter.
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LL3092.book Page 34 Friday, February 4, 2005 6:02 PM