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Toshiba S2 Manuel D’Utilisation

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1  Hardware Overview 
1.5  Power Supply 
1-20 
Tecra A3/S2 Series Maintenance Manual 
6.  Power ON/OFF sequence 
When power is turned on or off, the EC starts the power on or off sequence. 
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  SQ0-4  = power ON sequence 
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  SQ5-B  = power OFF sequence 
 
7.  Battery charging control 
The EC controls the following. 
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  The quick charging ON/OFF 
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  The detection of full charge 
 
8.  Detection of the low battery 
The EC
 
detects the low battery point by the gas gauge. 
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  LB10M= The system will be driven by the battery for 12 more minutes. 
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  LB0 
= The battery won't be able to drive the system after 3 minutes. 
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  LB1 
= The battery can drive the system only during the suspend process. 
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  LB2 
= The battery cannot drive the system. 
 
9.  New battery installation 
When a new battery is installed, the EC communicates with the E
2
PROM in the battery to 
read information of the newly installed battery. 
10. Battery capacity calculation 
The EC reads battery remaining and percentage capacity from the battery through SMBus.