Acer Aspire 9920G Service Manual page 46

System Power Management
ACPI mode
Suspend to RAM (S3)
Save to Disk (S4)
System Fan True Value Table
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Power Management
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.
Chapter 1