Via EPIA-CN10000EG User Manual - Page 52

ACPI Function, ACPI Suspend Type

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Chapter 3 POWER MANAGEMENT SETUP Phoenix - AwardBIOS CMOS Setup Utility Power Management Setup ACPI function ACPI Suspend Type HDD Power Down Power Management Timer Video Off Option Power Off by PWRBTN Run VGABIOS if S3 Resume AC Loss Auto Restart Peripherals Activities IRQs Activities [Enabled] [S1(POS)] [Disabled] [Disabled] [Suspend -> Off] [Instant-Off] [Auto] [Off] [Press Enter] [Press Enter] Item Help Menu Level ACPI is required in Windows 98SE, ME, 2000 & XP for better power management integrity : Move Enter: Select F5: Previous Values +/-/PU/PD: Value F10: Save F6: Fail-Safe Defaults ESC: Exit F1: General F7: Optimized Defaults Help ACPI Function Enables the ACPI (Advanced Configuration and Power Management Interface) functionality. Settings: [Enabled, Disabled] NOTE: ACPI is a power management specification that makes hardware status information available to the operating system. ACPI enables a PC to turn its peripherals on and off for improved power management. It also allows the PC to be turned on and off by external devices, so that mouse or keyboard activity wakes up the computer. ACPI Suspend Type Setting S1(POS) S3(STR) S1 & S3 Description S1/Power On Suspend (POS) is a low power state. In this state, no system context (CPU or chipset) is lost and hardware maintains all system contexts. S3/Suspend To RAM (STR) is a power-down state. In this state, power is supplied only to essential components such as main memory and wakeup-capable devices. The system context is saved to main memory, and context is restored from the memory when a "wakeup" event occurs. Depends on the OS to select S1 or S3. 44

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Chapter 3
44
P
OWER
M
ANAGEMENT
S
ETUP
: Move
F5: Previous Values
F6: Fail-Safe Defaults
F7: Optimized Defaults
Enter: Select
+/-/PU/PD: Value
F10: Save
ESC: Exit
F1: General
Help
Menu Level
ACPI is required in
Windows 98SE, ME, 2000
& XP for better power
Item Help
ACPI Suspend Type
[S1(POS)]
HDD Power Down
[Disabled]
Video Off Option
[Suspend -> Off]
Power Off by PWRBTN
[Instant-Off]
Run VGABIOS if S3 Resume
[Auto]
AC Loss Auto Restart
[Off]
Peripherals Activities
[Press Enter]
IRQs Activities
[Press Enter]
Power Management Timer
[Disabled]
Power Management Setup
Phoenix - AwardBIOS CMOS Setup Utility
ACPI function
[Enabled]
management integrity
ACPI Function
Enables the ACPI (Advanced Configuration and Power Management Interface)
functionality.
Settings: [Enabled, Disabled]
NOTE:
ACPI is a power management specification that makes
hardware status information available to the operating system.
ACPI
enables a PC to turn its peripherals on and off for improved power
management.
It also allows the PC to be turned on and off by external
devices, so that mouse or keyboard activity wakes up the computer.
ACPI Suspend Type
Setting
Description
S1(POS)
S1/Power On Suspend (POS) is a low power state.
In this state,
no system context (CPU or chipset) is lost and hardware
maintains all system contexts.
S3(STR)
S3/Suspend To RAM (STR) is a power-down state.
In this state,
power is supplied only to essential components such as main
memory and wakeup-capable devices.
The system context is
saved to main memory, and context is restored from the
memory when a "wakeup" event occurs.
S1 & S3
Depends on the OS to select S1 or S3.