Toshiba Portege M200 Maintenance Manual page 31
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Also See for Portege M200:
- User manual (252 pages) ,
- Resource manual (76 pages) ,
- Characteristics (7 pages)
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1.6 Batteries
q Quick Battery Charge
When the AC adapter is connected, normal charging is used while the system is
turned on and quick charge is used while the system is turned off or in suspend mode.
(See Table 1-7)
Table 1-7 Time required for charges of main battery
Quick battery charge is stopped in the following cases.
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
q Trickle charge
When the main battery is fully charged and the AC adapter is plugged in, the power
supply microcontroller automatically switches from quick charge to trickle charge.
1.6.3 RTC Battery
The RTC battery provides the power supply to maintain the date, time, and other system
information in memory. Table 1-8 lists the battery charging time and data preservation times.
Table 1-8 RTC battery charging/data preservation time
Charging
AC adapter or main battery in use
time
(Power ON)
Data preservation time (when fully charged)
Portege M200 Maintenance Manual (960-457)
Normal charge
About 3 to 10 hours or longer
Quick charge
Charging Time
About 2.5 hours
8 hours (approx.)
1 month
1 Hardware Overview
Time
1-17
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- Rtc Battery
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