FIC a440 Servicehandbuch
Hardware Functional Overview
FIC A440 Series Service Manual 4-29
4.7 Battery Management
The A440 supports both Li-Ion and Ni-MH Battery Pack. There is only one battery pack activating at one
time.
time.
4.7.1
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 battery voltage is too high.
Battery Life is around 2.5 Hours.
Note that the battery life depends on different configuration running. (E.g. the battery life is shorter with CDROM
running, the battery life is longer with document keyin only; battery life is short while PMU disabled, battery life
is longer while PMU enabled.)
running, the battery life is longer with document keyin only; battery life is short while PMU disabled, battery life
is longer while PMU enabled.)
Battery reading methodology is through M38867 SMBus.
4.7.2
Battery Warning
When the battery capacity remains 8%*, the M38867 will generate a battery warning SMI. The system will do the
following action.
following action.
- The system issues a warning beep (3 beeps at once).
Note: *Under Win 98: It will depend on the setting of O/S. (Default is 10%)
4.7.3
Battery Low
When the battery capacity remains 3%*, the system will generate a battery low SMI. The system will do the
following action.
- The Power LED will become amber.
following action.
- The Power LED will become amber.
- The system will enter Suspend To Disk mode even the power management is disabled.
- The function of power-on or Resume will be inhibited until the battery low condition is removed.
Note: *Under Win 98: It will depend on the setting of O/S. (Default is 3%)
4.7.4
AC Adapter
When plug in the AC adapter, the system will do the following action:
- The charger will charge the Battery.
- The Battery Charging Indicator will turn on if the battery is in changing mode.
- The power management function will be disabled, if the Setup item of “Power Management Mode” is set to
- The power management function will be disabled, if the Setup item of “Power Management Mode” is set to
“Battery Only”.
- The “Battery Warning” and “Battery Low” condition will be removed.