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1.8 Power Supply 1 Hardware Overview
Satellite Pro M10 Series Maintenance Manual (960-431) 1-21
6. Power ON/OFF sequence
When power is turned on or off, the PSC starts the power on or off sequence.
• SQ0-4 = power ON sequence
• SQ5-B = power OFF sequence
7. Battery charging control
The PSC controls the following.
• The quick charge ON/OFF
• The trickle charge ON/OFF
• The detection of full charge
8. Detection of the low battery
The PSC detects the low battery point by the battery voltage, current and temperature.
• LB10M = The system will be driven by the battery for 10 more minutes.
• LB0 = The battery won't be able to drive the system after a few more
minutes.
• LB1 = The battery can drive the system only during the suspend process.
• LB2 = The battery cannot drive the system.
9. New battery installation
When a new battery is installed, the PSC communicates with the E
2
PROM in the
battery to read information of the newly installed battery.
10. Battery capacity calculation
The PSC updates the battery capacity counter. And, the PSC converts it into
remaining time and percentage of capacity.
11. Command data sending
The PSC sends power commands to the EC.