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Maintenance and Service Guide 1–7
4. Replace the RTC battery and reassemble the computer.
5. Connect AC power to the computer. Do not reinsert any
battery packs at this time.
6. Turn on the computer.
All passwords and all CMOS settings are clear.
1.3 Power Management
The computer comes with a collection of power management
features that extend battery operating time and conserve power.
The computer supports the following power management
features:
Standby
Hibernation
Smart battery that provides an accurate battery power gauge
Battery calibration
Lid switch suspend/resume
Power button
Advanced Configuration and Power Management (ACP)
compliant