FIC A360 - Manual (Page 80)

Software Functional Overview
FIC A360 Service Manual
3-23
3.5.6 Power Management Mode Transition Flow Chart
From a user-visible level, the system can be thought of as being one of the states in the
following diagram:
SLP_TYPx=S1
and
SLP_EN
S1
Sleeping
S2
Sleeping
S3
Sleeping
SLP_TYPx=S5
and
SLP_EN
or
PWRBTN_OR
Wake
Event
S4
Sleeping
ACPI
Boot
(SCI_EN=1)
G2 (S5) -
Soft Off
SLP_TYPx=S2
and
SLP_EN
SLP_TYPx=S3
and
SLP_EN
SLP_TYPx=S4
and
SLP_EN
G0 (S0) -
Working
G1
S4BIOS_REQ
to
SMI_CMD
OEM S4 BIOS
Handler
SLP_TYPx=S4
and
SLP_EN
3.5.7 Power States transition event
The following table summarizes the entry events and wake-up events of each power:
Power State Entry Event Wake up Event
S1 OSPM control,
Sleep Button,
Lid Close
Sleep button
Ring Indicator
PME Event
LAN Wake Up
Lid Open
Schedule Alarm
S4 OSPM control,
Power Button
Lid Close
Battery Low - Low
Power Button
Schedule Alarm
S5 Power Button
Execute Windows
shutdown
command
Power Button
L
OSPM: OS-directed Power Management