ACPI standby mode
When you select the ACPI BIOS IRQ, you can also select which power level
(S1 or S3) your system goes to when it enters standby mode.
Standby Mode S1
When Your computer enters S1 Standby Mode, power is maintained to all
devices but microprocessor activity is halted.
Standby Mode S3
When the computer enters S3 mode, power is maintained only for main
memory. Some computers do not support Standby Mode S3. If the
Standby Mode setting in the Configuration/Setup utility program does not
allow you to select S3, your computer only supports Standby Mode S1. If
the Standby Mode setting in the Configuration/Setup utility program
allows you to select S3, be sure to read the following important information.
Important
Some adapters might not wake up properly from standby mode S3. If
your computer appears to have stopped and will not wake up from
standby, press and hold the power switch for 5 seconds. Your
computer will exit standby mode and turn off. Press the power switch
to turn the computer back on.
If you encounter a problem with Standby Mode S3, set this option to S1
and check to see if updated device drivers that support Standby Mode
S3 are available for your adapters.
Setting power-management features
With power management, the computer and monitor (if the monitor
supports DPMS) can be set to go into a reduced power state if they are
inactive for a specified length of time.
Time to Low Power:
When you enable Automatic Hardware Power
Management
, you can use this option to specify the amount of time
that the computer must be inactive before power-management features
are activated.
System Power:
You can select ON if you want the computer to remain
on or OFF if you want the computer to shut down.
Display:
You can use this option to select one of the following
reduced-power states:
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