Dell PowerEdge T20 Owner's Manual page 21

Option
Deep Sleep Control
Fan Control Override
USB Wake Support
Wake on LAN
Block Sleep
Table 7. POST Behavior
Option
Numlock LED
Keyboard Errors
MEBx Hotkeys
Description
NOTE: This feature does not work if you turn off your system 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 disabled 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 to wake the system from standby.
• Enable USB Wake Support — This option is disabled by default.
This option allows the system to power up from the off state when triggered by a
special LAN signal. Wakeup from the Standby state is unaffected by this setting and
must be enabled in the operating system. This feature only works when the system 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 wakeup signal from the LAN or wireless LAN.
• LAN Only — Allows the system to be powered on by special LAN signals.
• LAN with PXE Boot — Allows the system to be powered on by special LAN or PXE
bootsignals.
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
Specifies if the NumLock function can be enabled when the system boots. This option
is enabled by default.
Specifies whether keyboard related errors are reported when it boots. This option is
enabled by default.
Specifies whether the MEBx Hotkey function should be enabled when the system
boots.
• Enable MEBx Hotkey — This option is enabled by default.
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