Toshiba dynabook v1 v2 satellite p300 Instruction De Maintenance

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Chapter 1 Hardware Overview  
 
 
Satellite P300 and Satellite Pro P300 Maintenance Manual (960-Q02)                                                                                                
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1.8.2  Battery Charging Control 
Battery charging is controlled by a power supply microprocessor. The power supply 
microprocessor controls power supply and detects a full charge when the AC adaptor and 
battery are connected to the computer. 
θ  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. Refer to the 
following Table 1-12. 
Table 1-12 Time required for charges of main battery 
Condition Charging 
Time 
Power On Charge 
About 12 hours- 
Power Off Charge 
About 4 hours 
 
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 
θ  Data preservation time  
When turning off the power in being charged fully, the preservation time is as 
following Table 1-13. 
Table 1-13   Data preservation time 
Condition preservation 
time 
6 cell 
Approximately 2  days(sleep mode) 
Battery 
Pack 
9 cell 
Approximately 3  days(sleep mode) 
6 cell 
Approximately 20 days(Hibernate mode) 
Battery 
Pack 
9 cell 
Approximately 30 days(Hibernate mode) 
6 cell 
Approximately 20 days(Shut Douwn mode) 
Battery 
Pack 
9 cell 
Approximately 30 days(Shut Douwn mode)