Power Management - Compaq 800 Series Maintenance And Service Manual

2. Remove the real time clock (RTC) battery (refer to Section
5.16, "RTC Battery").
3. Wait approximately five minutes.
4. Replace the RTC battery and reassemble the notebook.
5. Connect AC power to the notebook. Do not reinsert any
battery packs at this time.
6. Turn on the notebook.
All passwords and all CMOS settings have been cleared.

1.4 Power Management

The notebook comes with power management features that
extend battery operating time and conserve power. The notebook
supports the following power management features:
■
Standby
■
Hibernation
■
Setting customization by the user
■
Hotkeys for setting level of performance
■
Battery calibration
■
Lid switch Standby/resume
■
Power/Standby button
■
Advanced Configuration and Power Management (ACP)
compliance
Maintenance and Service Guide
Product Description
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