Toshiba Satellite Z930, Maintenance Manual

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1 Hardware Overview
1-24 [CONFIDENTIAL] PORTÉGÉ Z930/Satellite Z930Series Maintenance Manual (960-887)
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Data preservation time
When turning off the power in being charged fully, the preservation time is as
following Table 1-11.
Table 1-7 Data preservation time
Condition preservation time
Standby About 4 days (8Cell 47Wh)
Shutdown About 90 days(8Cell 47Wh )
1.8.3 RTC battery
The RTC battery provides power to keep the current date, time and other setup information
in memory while the computer is turned off. Table 1-12 lists the charging time and data
preservation period of the RTC battery.
Table 1-8 RTC battery charging/data preservation time
Status Time
Charging Time (power on) 10 hours
Data preservation period (full charge) 30 days