IBM Aptiva Series Hardware Maintenance page 49

Loading the Setup default settings
There are times when you will have to load the Setup default settings of your
computer. In the following instances, you must load the Setup defaults:
•
when you replace the system battery
•
when you customize your system configuration settings, and some
resource assignments conflict, causing the computer to hang.
At certain times, you have to load the default settings to optimize system
performance.
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