Acer Aspire M1620 Service Manual page 42

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The following table describes the parameters found in this menu.
Parameter
ACPI Function
ACPI Suspend
Type
HDD Power
Down
HDD Down In
Suspend
Description
This item allows you to enable or disable
the ACPI function
This item specifies the power saving modes
for ACPI function. S1 (POSP: The S1 sleep
mode is a low power state.. In this state, no
system context (SPU or chipset) is lost and
hardware maintains all system context/ S3
(STR): The S3 sleep mode is s power-down
state in which power is supplied only to
essential components such as main
memory and wake-capable devices and all
system context is saved to main memory.
The information stored in memory will be
used to restore the PC to the previous state
when an wake-up event occurs.
The setting controls how long a hard disk
drive must be left idle before it spins
downs.
Enables or Disables the functionality of
HDD down in suspend
Options
[Enabled], [Disabled]
[S1 (POS)]: Set ACPI
suspend type to
S1/POS (Power On
Suspend).
[S3 (STR)]: Set ACPI
suspend type to
S3/STR
[Disabled], [Standby],
[Suspend]
[Enabled], [Disabled]
42

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