Acer Aspire 7720 Service Manual page 43

System Power Management
ACPI mode
Working (G0/S0)
Suspend to RAM (S3)
Save to Disk (S4)
Chapter 1
Power Management
Individual devices such as the CPU and hard disc may be power
managed in this state.
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
Also called Hibernation Mode. System saves all system states and
data onto the disc prior to power off the whole system.
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