FIC A360 Reference and, Справочное и сервисное руководство, Страница: 93 / 187

Software Functional Overview
3-36 FIC A360 Service Manual
3.5.19 AC Adapters and Power Source Objects
The Power Source objects describe the power source used to run the system.
Object Description
_PSR Returns present power source device
_PCL List of pointers to powered devices.
_PSR
Returns the current power source devices. Used for the AC adapter and is located under the
AC adapter object in name space. Used to determine if system is running off the AC adapter.
Arguments:
None
Results code : 0x00000000 = Off-line; 0x00000001 = On-line
_PCL
This object evaluates to a list of pointers, each pointing to a device or a bus powered by the
power source device. Pointing a bus means that all devices under the bus is powered by it
power source device.
3.6 Battery Management
The A360 supports both Li-Ion and Ni-MH Battery Pack. There is only one battery pack
activating at one time. The special designed Bridge Battery module can backup the system
under Suspend To RAM mode for a short period of time.
3.6.1 Battery Sub-system
•
The charger will stop charge the battery when the following condition is detected.
−
The temperature of the system is too high
−
The remaining capacity is 95% and more.
•
Battery Life 2.5 to 3 Hours.
•
Battery reading methodology is through PMU07 SMBus.
L
Note that the battery life is dependent on different configuration running. E.g.
with CD-ROM battery life is shorter, document keyin only battery life is longer,
PMU disable battery life is short, PMU enable battery life is longer.
3.6.2 Battery Low Warning
When the battery capacity remains 8%, the PMU07 will generate a battery warning
SMI. The system will do the following action.
−
The Power LED Indicator will continually blinking with 1 Hz.
−
The system issues a warning beep (3 beeps at once).
3.6.3 Battery Low
When the battery capacity remains 3%, the system will generate a battery low SMI. The
system will do the following action.
−
The system will enter Suspend To Disk mode even the power management is