Power Management - Dell LATITUDE E6400 XFR Service Manual

Power Management

Option
AC Behavior
Auto On Time
USB Wake Support
Wireless Radio Control
Wake on LAN/WLAN
ExpressCharge
POST Behavior
Option
Adapter Warnings
Keypad (Embedded)
Mouse/Touchpad
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Dell Latitude™ E6420 XFR Service Manual
Description
Allows you to enable or disable the computer from turning on automatically when an
AC adapter is connected.
Default Setting: Wake on AC is not selected.
Allows you to set the time at which the computer must turn on automatically. The
options are:
• Disabled
• Every Day
• Weekdays
Default Setting: Disabled
Allows you to enable USB devices to wake the system from Standby.
Default Setting: Disabled
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.
Allows you to enable or disable the feature that automatically switches from wired or
wireless networks without depending on the physical connection.
Default Setting: The options Control WLAN radio and Control WWAN radio are
selected.
This field allows the computer to power up from the off state when triggered by a
special LAN signal or from Hibernate state when triggered by a special wireless 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.
• Disabled — Does not allow the system to power on 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.
• 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 or wireless LAN
signals.
Default Setting: Disabled
Allows you to enable or disable the
ExpressCharge feature. The options are:
• Standard
• ExpressCharge
Default Setting: ExpressCharge
Description
Allows you to enable or disable the system setup (BIOS) warning messages when you
use certain power adapters.
Default Setting: Enable Adapter Warnings is selected.
Allows you to choose one or two methods to enable the keypad that is embedded in
the internal keyboard.
• Fn Key Only
• By Num Lk
Default Setting: Fn Key Only
Allows you to define how the system handles mouse and touchpad input. The options
are:
• Serial Mouse
• PS2 Mouse