Dell Latitude E5420 (Early 2011) - Manual (Page 154)

Performance
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Default Setting: All
Intel® SpeedStep™ Allows you to enable or disable the Intel SpeedStep feature.
Default Setting: Enable Intel SpeedStep
C States Control Allows you to enable or disable the additional processor sleep states.
Default Setting: The options C states, C3, C6, Enhanced C-states, and C7 options are
enabled.
Limit CPUID Allows you to limit the maximum value the processor Standard CPUID Function will
support.
Default Setting: Enable CPUID
Intel® TurboBoost™ Allows you to enable or disable the Intel TurboBoost mode of the processor.
Default Setting: Enable Intel TurboBoost
Hyper-Thread Control Allows you to enable or disable the HyperThreading in the processor.
Default Setting: Enabled
Power Management
AC Behavior 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.
Auto On Time Allows you to set the time at which the computer must turn on automatically. The
options are:
• Disabled
• Every Day
• Weekdays
Default Setting: Disabled
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.
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.
Default Setting: Disabled
Wake on LAN Allows you to enable or disable the feature that powers on the computer from the
Off state when triggered by a LAN signal.
Default Setting: Disabled
ExpressCharge Allows you to enable or disable the ExpressCharge feature. The options are:
• Standard
• ExpressCharge
Default Setting: Standard
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