Dell OptiPlex 3020M Owner's Manual page 44

Option
Deep Sleep Control
Fan Control Override
USB Wake Support from
Standby (S3)/Hibernation
(S4)
Wake on LAN/WAN
Block Sleep
Table 8. POST Behavior
Option
Adapter Warnings
Numlock LED
44
Description
NOTE: This feature does not work if you turn off your computer using
the switch on a power strip or surge protector or if Auto Power is set
to disabled.
Allows you to define the controls when Deep Sleep is enabled.
• Disabled
• Enabled in S5 only
• Enabled in S4 and S5 - This option is enabled by default.
Controls the speed of the system fan. This option is disabled by default.
NOTE: When enabled, the fan runs at full speed.
This option allows you to enable USB devices (keyboard or mouse) to wake
the computer from standby (S3) or hibernation (S4). For waking up the
computer from hibernation, you must connect USB device to a specific
rear USB port(next to RJ45 connector).
• USB Wake Support From Standby is enabled by default.
• USB Wake Support From Hibernation is disabled by default.
This option allows the computer to power up from the off state when
triggered by a special LAN signal. Wake-up from the Standby state is
unaffected by this setting and must be enabled in the operating system.
This feature only works when the computer is connected to AC power
supply. The options differ based on the form factor.
• Disabled - Does not allow the system to power on by special LAN
signals when it receives a wake-up signal from the LAN or wireless LAN.
• LAN Only - Allows the system to be powered on by special LAN signals.
• WLAN Only- Allows the system to be powered on by special WLAN
signals.
• LAN or WLAN- Allows the system to be powered on by special LAN
signals or special WLAN signals.
• LAN with PXE Boot - Allows the system to be powered on by special
LAN signals. After waking the system, do a PXE boot.
This option is Disabled by default.
This option lets you block entering to sleep (S3 state) in operating system
environment.
• Block Sleep (S3 state) - This option is disabled by default.
Description
Allows you to enable or disable the system setup (BIOS) warning messages
when you use certain power adapters.
• Enable Adapter Warnings
This option is enabled by default.
Specifies if the NumLock function can be enabled when the system boots.
This option is enabled by default.