MSI 785GTM-E45 User Guide - Page 49

ACPI Standby State

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Page 49 highlights

Power Management Setup MS-7549 Important S3-related functions described in this section are available only when your BIOS supports S3 sleep mode. ▶ ACPI Function This item is to activate the ACPI (Advanced Configuration and Power Management Interface) Function. If your operating system is ACPI-aware, such as Windows 2000/XP, select [Enabled]. ▶ ACPI Standby State This item specifies the power saving modes for ACPI function. If your operating system supports ACPI, such as Windows 2000/ XP , you can choose to enter the Standby mode in S1(POS) or S3(STR) fashion through the setting of this field. Settings are: [S1] The S1 sleep mode is a low power state. In this state, no system context is lost (CPU or chipset) and hardware maintains all system context. [S3] The S3 sleep mode is a lower power state where the in formation of system configuration and open applications/files is saved to main memory that remains powered while most other hardware compo- nents turn off to save energy. The information stored in memory will be used to restore the system when a "wake up" event occurs. ▶ Power Button Function This feature sets the function of the power button. Settings are: [Power Off] The power button functions as normal power off button. [Suspend] When you press the power button, the computer enters the sus- 3-13

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3-13
MS-7549
p
ower
M
anageMent
S
etup
Important
S3-related funct±ons descr±bed ±n th±s sect±on are ava±lable only when your BIOS sup-
ports S3 sleep mode.
ACPI Funct±on
Th±s ±tem ±s to act±vate the ACPI (Advanced Configurat±on and Power Management In-
terface) Funct±on. If your operat±ng system ±s ACPI-aware, such as W±ndows 2000/XP,
select [Enabled].
ACPI Standby State
Th±s ±tem spec±fies the power sav±ng modes for ACPI funct±on. If your operat±ng system
supports ACPI, such as W±ndows 2000/ XP , you can choose to enter the Standby mode
±n S1(POS) or S3(STR) fash±on through the sett±ng of th±s field.
Sett±ngs are:
[S1]
The S1 sleep mode ±s a low power state. In th±s state, no system
context ±s lost (CPU or ch±pset) and hardware ma±nta±ns all system
context.
[S3]
The S3 sleep mode ±s a lower power state where the ±n format±on of
system configurat±on and open appl±cat±ons/files ±s saved to ma±n
memory that rema±ns powered wh±le most other hardware compo-
nents turn off to save energy. The ±nformat±on stored ±n memory w±ll
be used to restore the system when a “wake up” event occurs.
Power Button Funct±on
Th±s feature sets the funct±on of the power button. Sett±ngs are:
[Power Off]
The power button funct±ons as normal power off button.
[Suspend]
When you press the power button, the computer enters the sus-
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