Battery Charge Level And Power Management; Table 6-5 Low Battery Modes - Fujitsu stylistic lt Reference Manual

Battery Charge Level and Power Management

The pen tablet monitors the voltage of the battery pack. When the voltage drops to low levels, the system
is forced into Idle or Suspend mode to increase battery life and prevent data loss. Table 6-5 describes
system operation for different battery charge levels.
Normal mode:
Battery charge 12% to 100% or
system connected to external power.
Low battery mode:
Battery charge below 12%
Critically low battery mode:
Battery charge below critical
threshold.
6-10 System Power

Table 6-5 Low Battery Modes

Mode
Power management features operate normally.
CPU speed is reduced to the speed selected for
Low Battery CPU Speed BIOS option.
The Power icon turns red when the charge is
below 12%. The low battery alarm (periodic
audible "beep") is sounded if the Audio BIOS
option is enabled.
The system is forced to suspend using
Suspend-to-RAM mode. The system will not
resume until a sufficiently charged battery pack
is installed or external power is connected.
The power icon flashes red, indicating that the
system is in Suspend mode.
Note:
• In the event of a critically low battery, the
• The percent of full battery charge cannot be
Description
system is forced into Suspend-to-RAM
mode regardless of the Suspend Mode
setting in BIOS Setup.
determined for the critically low battery level
because the circuit that detects the critically
low voltage level monitors the battery
voltage independent of the PMU.
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