Texas Instruments 51X - Manual (Page 46)

4.2.7.1 Power Management
The notebook is equipped with a power management function that
minimizes battery usage for prolonged battery operation and automatically
recharges the batteries when the notebook is used with an AC adapter.
The power management modes and warnings include the following:
•
LCD standby mode
•
Hard disk standby mode
•
System standby/suspend mode
•
Battery-low warning
•
Standby/suspend upon battery low
4.2.7.2 AC Adapter
The notebook uses an AC adapter with built in over voltage and short circuit
protection.
The adapter can withstand a continuous short-circuit to DC output without
damage to the notebook logic components. The adapter operates in Shut-
down mode shorting Vo trail and resets to the normal Power mode after the
fault condition is removed.
4.2.7.3 Primary Battery Pack
The Extensa Series Notebooks use the Duracell DR35 as the primary battery
pack. Specifications for the Primary Battery Pack are provided in Table 4-4.
Theory of Operation 4-7