MSI G52-M6570XA-G22 - Manual (Page 76)

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BIOS Setup
Power Management Setup
IPCA Function
This item is to activate the ACPI (Advanced Configuration and Power Man-
agement Interface) function. If your operating system is ACPI-aware, such as
Windows 98SE/2000/ME, select Enabled. Available options: Enabled,
Disabled.
Sleep State
This item specifies the power saving modes for ACPI function. If your oper-
ating system supports ACPI, such as Windows 98SE, Windows ME and Win-
dows 2000, you can choose to enter the Standby mode in S1(POS) or S3
(STR) fashion through the setting of this field. Options are:
S1/POS 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/STR 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
MSI Reminds You...
S3-related functions described in this section are available only
when your BIOS supports S3 sleep mode.