VIA Technologies VB8004, User Manual

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6.5.5. ACPI Configuration
ACPI grants the operating system direct control over system power
management. The ACPI Configuration screen can be used to set a number of
power management related functions.
Figure Figure Figure Figure 59 59 59 59: Illustration of ACPI Configuration screen : Illustration of ACPI Configuration screen : Illustration of ACPI Configuration screen : Illustration of ACPI Configuration screen
6.5.5.1. 6.5.5.1. 6.5.5.1. 6.5.5.1. Suspend Mode Suspend Mode Suspend Mode Suspend Mode
The Suspend Mode field has three selectable options.
S1
S1 S1
S1 (POS)
(POS) (POS)
(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
S3 S3
S3 (STR)
(STR) (STR)
(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.
Auto Auto Auto Auto
When the Suspend Mode is set to Auto, the operating system will control the
power state.