Peripheral Devices
In addition to the devices that are included with the computer, several peripheral devices are available separately:
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The AirPort Card wireless LAN module is available separately as a user-installable option.
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The battery is available separately as an additional or replacement battery.
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The power adapter, which comes with the computer, is also available separately. The adapter can recharge the internal battery in six hours while the computer is running or in three and a half hours while the computer is shut down or in sleep mode.
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A power cable for use on airliners is also available. The voltage provided by the airliner is not high enough to charge the computer's battery, so the power cable includes a sense resistor. When the computer detects the sense resistor, its power manager does not attempt to charge the battery. See also Power Control IC.
Copyright © 2001 Apple Computer, Inc. (Last Updated May 8, 2001)
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