Apple Ibook G4 Getting Started - Page 33

USB Devices and Battery Power, Using Multiple USB Devices at the Same Time

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USB Devices and Battery Power You can use USB devices, such as joysticks and keyboards, that get power from the USB connection instead of a separate power adapter with your iBook G4. However, these types of USB devices can cause your iBook G4 battery to become depleted faster. If you are using the device for an extended period, it is a good idea to connect the iBook G4 power adapter. Using Multiple USB Devices at the Same Time You can purchase a USB hub to connect multiple USB devices to your computer. The USB hub connects to an open USB port on your computer and provides additional USB ports (usually four or seven). Hi-Speed hubs can support USB 2.0 Hi-Speed devices as well as USB 1.1 compatible devices. USB 1.1 hubs don't allow Hi-Speed USB devices to operate at their maximum data speed. Most USB hubs have a power adapter and should be plugged into an outlet. ® USB hub For More Information on USB Additional information on USB is available in Mac OS Help. Choose Help > Mac Help in the menu bar and search for "USB." You can also find information on the Apple USB website at www.apple.com/usb. For information on USB devices available for your computer, check the Macintosh Products Guide at www.apple.com/guide. Chapter 3 Using Your Computer 33

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Chapter 3
Using Your Computer
33
USB Devices and Battery Power
You can use USB devices, such as joysticks and keyboards, that get power from the USB
connection instead of a separate power adapter with your iBook G4. However, these
types of USB devices can cause your iBook G4 battery to become depleted faster. If you
are using the device for an extended period, it is a good idea to connect the iBook G4
power adapter.
Using Multiple USB Devices at the Same Time
You can purchase a USB hub to connect multiple USB devices to your computer. The
USB hub connects to an open USB port on your computer and provides additional USB
ports (usually four or seven). Hi-Speed hubs can support USB 2.0 Hi-Speed devices as
well as USB 1.1 compatible devices. USB 1.1 hubs don’t allow Hi-Speed USB devices to
operate at their maximum data speed. Most USB hubs have a power adapter and
should be plugged into an outlet.
For More Information on USB
Additional information on USB is available in Mac OS Help. Choose Help > Mac Help in
the menu bar and search for “USB.” You can also find information on the Apple USB
website at www.apple.com/usb.
For information on USB devices available for your computer, check the Macintosh
Products Guide at www.apple.com/guide.
®
USB hub