FIC a440 Service Manual
Software Functional Overview
3-18
FIC A440 Series Service Manual
3.4.4 Power Management Mode Transition Flow Chart
Full-On Mode:
CPU in full speed
All devices are working
Doze Mode:
CPU slows down
All other devices are working
Standby Mode:
CPU clock stops
All other devices in low powe state
Select
STR or STD
STR Mode:
(Suspend-to-RAM mode)
STD/Soff Mode:
(Suspend-to-Disk /
Soft-Off mode)
uP check
Is Battery OK?
Moff Mode:
(Mechanical Off Mode)
LID Switch
LID Switch
LID Switch
IRQ [0~15]
IRQ [0~15]
Ring In
Idle time expire
Idle time expire
STD
STR
Battery low
to STD
to STD
Ring In
Sleep Button
RTC Alarm
Sleep Button
RTC Alarm
Plug in AC adapter
or battery and press
power button
or battery and press
power button
Remove AC adapter and
battery pack
battery pack
Ring In
Power Button
RTC Alarm
Power Button
RTC Alarm
Press power button
to Soff or Suspend
hotkey to STD
to Soff or Suspend
hotkey to STD
Battery OK
Battery Low
* Idle time expire
Activity monitor:
Keyboard, VGA, Audio, Mouse,
Printer port, COM port
Activity monitor:
Keyboard, VGA, Audio, Mouse,
Printer port, COM port
Press Suspend
hotkey to STR
hotkey to STR