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6 power management for acpi mode – chiliGREEN CBL21 User Manual

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4.6 Power Management for ACPI mode

4.6.1Introduction

The notebook supports ACPI. The system will dynamically switch to ACPI mode for

configuration and power management when an ACPI OS is loaded.

When ACPI is not loaded and enabled, the power management function will be

disabled.

4.6.2 System Time-outs

If the system is running in ACPI mode, system Time-outs is handled by the operating

system. BIOS time-outs are disabled. System time-outs are set using the control

panel power applet.

4.6.3 System Power Management

The overall system can be in one of the system power states as described below:

ACPI mode

Power Management

Mech. Off (G3)

All devices in the system are turned off

completely.

Soft Off (G2/S5)

OS initiated shutdown. All devices in the system

are turned off completely.

Working (G0/S0)

Individual devices such as the CPU and hard

disk may be power managed in this state.

S3 Sleeping State

CPU set power down

VGA Suspend

New Card Suspend

Audio Suspend

Hard Disk Power Down

ODD Power Down

Super I/O Power Down

S4 Sleeping State

System Saves all system states and data onto

disk prior to power off the whole system.

4.6.4 Device Power Management