Acer 4150, 4650 manual System Power Management, Legacy Acpi mode Power Management Mode

System Power Management

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

Legacy	ACPI mode	Power Management
Mode
	Mech. Off (G3)	All devices in the system are turned off completely.
Off
	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
		PCMCIA Suspend
On		Audio Power Down
		Hard Disk Power Down
		CD-ROM Power Down
		Super I/O Low Power mode
	S4 Sleepting State	Also called Hibernate state. System Saves all
		system states and data onto disk prior to power off
		the whole system.

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