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Chapter 1 45
System Power Management
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 disc may be power
managed in this state.
Suspend to RAM (S3) CPU set power down
VGA Suspend
PCMCIA Suspend
Audio Power Down
Hard Disk Power Down
CD-ROM Power Down
Super I/O Low Power mode
Save to Disk (S4) Also called Hibernation Mode. System saves all system states and
data onto the disc prior to power off the whole system.