Toshiba SATELLITE A200 - Manual (Page 25)

1.5 Power Supply 1 Hardware Overview
Minnesota 10M/10MG Series Maintenance Manual 1-11
‰ Battery charging control
• The EC controls the following.
– The quick charging ON/OFF
– The detection of full charge
‰ Detection of the low battery
• The EC
detects the low battery point by the gas gauge.
– LB10M: The system will be driven by the battery for 12 more minutes.
– LB0: The battery won’t be able to drive the system after 3 minutes.
– LB1: The battery can drive the system only during the suspend process.
– LB2: The battery cannot drive the system.
‰ 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.
‰ Battery capacity calculation
• The EC reads battery remaining and percentage capacity from the battery
through SMBus.