User Guide

Software Functional Overview
3-14 FIC MD02 Service Manual
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
3.4.3 Power States transition event
The following table summarizes the entry events and wake-up events of each power:
The following table summarize the entry events and wake-up events of each power state
Power State Entry Event Wake up Event
S3 OSPM control
Lid Close
Power Button
Sleep Button
Battery Low
Power Button
Ring Wake up
RTC Alarm
LAN Wake Up
Lid open
S4 OSPM control,
Power button
Sleep button
Lid Close
Battery Low
Power Button
RTC Alarm
S5 Power Button
Battery Low
OSPM control
Power Button
x OSPM: OS-directed Power Management
Device Power Control Methodology
Power state of local devices table
This section illustrates the power control status of each key device/component of the
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