Replacing the Battery
Your computer has a special type of memory that maintains the date, time, and the
settings for built-in features, such as serial- and parallel-port assignments
(configuration). A battery keeps this information active when you turn off the
computer.
The battery requires no charging or maintenance throughout its life; however, no
battery lasts forever. If the battery fails, the date, time, and configuration
information (including passwords) are lost. An error message is displayed when
you turn on the computer.
Refer to “Lithium Battery Notice” on page vii of this publication and Installing
Options in Your Personal Computer for information about replacing the battery.
If you replace the original lithium battery with a heavy-metal battery or a battery
with heavy-metal components, be aware of the following environmental
consideration: batteries and accumulators that contain heavy metals must not be
disposed of with normal domestic waste. They will be taken back free of charge by
the manufacturer, distributor, or representative to be recycled or disposed of in a
proper manner. For further information on battery disposal, call IBM at
1-800-IBM-4333 (1-800-426-4333) in the U.S. For information outside of the U.S.,
contact your IBM reseller or marketing representative.
Chapter 4. Taking Care of Your Computer 37
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