Dell 3550 instruction

Option	Description

USB Wake Support	Allows you to enable USB devices to wake the system from Standby.
		NOTE: This feature is only functional when the AC power adapter is
		connected. If the AC power adapter is removed during Standby, the
		system setup will remove power from all of the USB ports to
		conserve battery power.
	• Enable USB Wake Support
	Default Setting: The option is disabled.
Wireless Radio Control	Allows you to enable or disable the feature that automatically switches
	from wired or wireless networks without depending on the physical
	connection.
	•	Control WLAN Radio
	Default Setting: The option is disabled.
Wake on LAN/WLAN	Allows you to enable or disable the feature that powers on the computer
	from the Off state when triggered by a LAN signal.
	• Disabled: This option is enabled by default
	•	LAN Only
	•	WLAN Only
	•	LAN or WLAN
	• LAN with PXE Boot
Block Sleep	This option lets you block entering to sleep (S3 state) in Operating
	System environment.
	Block Sleep (S3 state) - This option is disabled by default.
Peak Shift	This option enables you to minimize the AC power consumption during
	the peak power times of day. After you enable this option, your system
	runs only in battery even if the AC is attached.
Advanced Battery Charge	This option enables you to maximize the battery health. By enabling this
Configuration	option, your system uses the standard charging algorithm and other
	techniques, during the non-work hours to improve the battery health.
	Disabled (default)

Primary Battery Charge Configuration

Allows you to select the charging mode for the battery. The options are:

•Adaptive (Latitude E5250)

•Standard - Fully charges your battery at a standard rate.

•ExpressCharge - The battery charges over a shorter period of time using Dell’s fast charging technology. This option is enabled by default.

•Primarily AC use (Latitude E5250)

•Custom (Latitude E5250)

If Custom Charge is selected, you can also configure Custom Charge Start and Custom Charge Stop.