Table 1-11 Data Preservation Time; Table 1-12 Rtc Battery Charging/Data Preservation Time - Toshiba TECRA A8 series Maintenance Manual
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- Maintenance manual (428 pages) ,
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1.7 Batteries
Charge is stopped in the following cases.
Data preservation time
When turning off the power in being charged fully, the preservation time is as following
Table 1-11.
Main battery (3,600 mAh)
Main battery (4,700 mAh)
1.7.2 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.
TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)
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1. The main battery is fully charged.
2. The main battery is removed.
3. Main battery or AC adapter voltage is abnormal.
4. Charging current is abnormal.
Table 1-11 Data preservation time
Battery type
Table 1-12 RTC battery charging/data preservation time
Status
Charging Time (power on)
Data preservation period (full charge)
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Standby mode
5 days
6 days
Time
8 hours
30 days
[CONFIDENTIAL]
1 Hardware Overview
Boot mode
65 days
80 days
1-29
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- Figure 1-1 Front of the Computer
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