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Using Your Computer 41
FireWire Devices and Battery Power
FireWire devices, such as certain external hard disks, that get power from the FireWire
connection instead of a separate power adapter can be used with your PowerBook. However,
these types of FireWire devices can cause your PowerBook battery to become depleted faster. If
a device will be connected for an extended period, it is a good idea to plug in the power adapter.
FireWire Target Disk Mode
If you want to transfer files or have a problem that prevents your computer from starting up,
you can use FireWire to connect your PowerBook to another computer so that your
PowerBook will appear as an external hard disk on the other computer.
To connect your PowerBook in FireWire target disk mode, follow these steps:
1 Make sure that your PowerBook is shut down.
2 Use a FireWire cable with a standard 6-pin connector on each end to connect your
PowerBook to another FireWire-equipped computer.
3 Start up your PowerBook and immediately hold down the T key.
Your PowerBook display shows the FireWire logo, and the PowerBook internal hard disk icon
appears on the desktop of the other computer.
4 When you are finished transferring files, drag the PowerBook hard disk icon to the Trash.
5 Press the Power button on the PowerBook to shut it down and then disconnect the
FireWire cable.
For More Information on FireWire
Additional information on FireWire, including setting up a network of FireWire devices, is
available in Mac Help (see page 36). Choose Mac Help from the Help menu and search for
“FireWire.” You can also find information on Apple’s FireWire Web site at
www.apple.com/firewire. For information on the FireWire devices available for your
computer, check out the Macintosh Products Guide at www.apple.com/guide
Important The computer you connect your PowerBook to must have FireWire version 2.3.3
or later installed. Use Apple System Profiler, available in the Apple menu, to check the version
of FireWire installed. If you have an older version, check the Apple FireWire Web site at
www.apple.com/firewire