Toshiba S2 Manual Do Utilizador

1  Hardware Overview 

The power supply supplies seven different voltages to the system board and performs the 
following functions: 
 

1.  A/D conversion 

The EC uses 8-bit sampling for A/D conversion to determine the following values: 

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  AC adaptor current 

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  Battery and temperature 

 

2.  AC adaptor and battery check 

The EC checks the following by A/D converted values: 

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  Battery installed 

 

The EC checks the following by GPIO values: 

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  AC adaptor connected  

 

3.  Abnormal check 

The EC determines whether the condition is abnormal, and if so, stores an error code into 
the error register. 

4.  Input port management 

The EC monitors the following input signal status: 

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  System power ON/OFF status 

 

5.  Beep and LED control 

Beep is caused by the low battery status. 

The EC controls the following two kinds of LED 

DC IN LED (one color:  Blue or Green(by sku)) 

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  Green = indicates AC adaptor is connected 

 

Battery LED (two colors:  Green & Orange ?  Blue & Orange ) 

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  Blue or Green solid = The battery is fully charged. 

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  Orange = The computer is quick-charging the battery / The battery is low.