FIC a440 Manual Do Serviço
Hardware Functional Overview
FIC A440 Series Service Manual 4-19
4.5.4
PMU mode transition flow
Lid switch
Lid switch
Lid switch
Battery OK
P
ress po
w
er but
to
n t
o So
ff
o So
ff
Ring in
Power button
RTC alarm
Plug in AC adapter or
battery and press
power button
Ring in
Sleep Button
RTC alarm
Battery low
to STD
to STD
Select
STR
STR
Select
STD
STD
Remove AC
adapter and all
battery
Battery low
IRQ [1~15]
Full On
Doze
Select
STR or STD
STR
STD/Soff
Moff
uP Check
Battery is
OK?
* Idle time expire
Activity monitor:
Keyboard, VGA, Audio,
Mouse, Parallel port,
COM port
Mouse, Parallel port,
COM port
Idle time expire
Suspend time expire