Toshiba M30-35 Manual Do Utilizador

Página de 338
1.11 Batteries 
1  Hardware Overview 
1.11.2 
Battery Charging Control 
Battery charging is controlled by a power supply microprocessor. The microprocessor 
controls whether the charge is on or off and detects a full charge when the AC adaptor and 
battery are attached to the computer.  The system charges the battery using quick charge. 
Quick Battery Charge 
When the AC adaptor is attached, there are two types of quick charge: quick charge 1 when 
the system is powered off and quick charge 2 when the system is powered on. 
Table 1-10  Time required for quick charges 
Status Charging 
time 
12 cell 
About 3.4 hours 
Quick charge 1 
(Power off) 
6 cell 
About 2.7 hours 
12 cell 
About 8.0 to 20.0 or longer 
Quick charge 2 
(Power on) 
6 cell 
About 4.0 to 10.0 or longer 
 
NOTE: The time required for quick charge 2 is affected by the amount of power the system 
is consuming.  Use of the fluorescent lamp and frequent disk access diverts power and 
lengthens the charge time. 
If any of the following occurs, the battery quick charge process stops.  
1.  The battery becomes fully charged.  
2.  The AC adaptor or battery is removed.  
3.  The battery or output voltage is abnormal.  
 Detection of full charge 
A full charge is detected only when the battery is charging at quick charge. A full charge is 
detected under any of the following conditions:  
1.  The current in the battery charging circuit drops under the predetermined limit. 
2.  The charging time exceeds the fixed limit. 
Satellite M30-35 Maintenance Manual (960-455) 
 
1-31