dynabook dynaEdge DE200 Series, Руководство по обслуживанию

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1 Hardware Overview
dynaEdge DE200 Series Maintenance Manual (960-947) [CONFIDENTIAL]
1-9
1. The battery becomes fully charged.
2. The AC adaptor or main battery is removed.
3. Output voltage from main battery or AC adapter is abnormal.
4. Charging current is abnormal.
 Data preservation time (main battery)
When turning off the power in being charged fully, the data preservation time is as follows.
Table 1-4 Data preservation time
Type of battery
Preservation time
Sleep
(computer only)
Sleep
(with USB Type-C
adaptor)
Shutdown/Hibernation
Main battery
(2Cell
，
29Wh)
About 4 days About 0.5 day About 50 days
1.4.3 RTC Battery
The RTC battery maintains the date, time and other system information in the memory while
the computer’s power is off.
The RTC battery provides power to keep the current date, time and other setup information
in memory while the computer is turned off. The following Tables show the charging time
and data preservation period of the RTC battery.
Table 1-5 RTC battery Time required for charges
Battery type Power off Power on
RTC battery Doesn’t charge Doesn’t charge
Table 1-6 RTC battery Data preservation time
Battery type Sleep Mode Shut Down Mode
RTC battery about 8 years about 8 years