Dell P51G Owner's Manual page 48

Option
USB Wake Support
Wireless Radio Control
Wake on LAN/WLAN
Block Sleep
Peak Shift
Advanced Battery Charge
Configuration
Primary Battery Charge
Configuration
48
Description
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.
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.
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
This option lets you block entering to sleep (S3 state) in Operating
System environment.
Block Sleep (S3 state) - This option is disabled by default.
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.
This option enables you to maximize the battery health. By enabling this
option, your system uses the standard charging algorithm and other
techniques, during the non-work hours to improve the battery health.
Disabled (default)
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.