The power management modes and warnings include the following:
•LCD standby mode
•Hard disk/CD-ROM standby mode
•System standby/suspend mode
•Battery-low warning
•Standby/suspend upon battery low
4.2.9.2 AC Adapter
The notebook uses an AC adapter with built in over voltage and short circ uit
protection.
The adapter can with stand a continuous short-circuit to DC output without
damage to the notebook logic components and resets to the normal power
mode after the fault condition is removed.
4.2.9.3 Primary Battery Pack
The Extensa 57x Series Notebooks use a Nickel Metal Hydride batter y as the
primary battery pack. Specifications for the primary battery pack are
provided in Table 4-4.
Table 4-4 Primary Battery Pack Specifications
Function Specifications
Battery type NiMH (Nicke l Metal-Hydride)
Cell Type A
Nominal voltage 8.4 V
Cell energy capacity 4200 mAH
Nominal rated
capacity 27 Watt-hours
Charge and discharge
cycles 500 (minimum)
Theory of Operation 4-9