Dell Alienware M17x R3 (Early 2011) - Manual (Page 103)

System Setup 103
Advanced Menu
Intel SpeedStep
Allows you to enable or disable the Intel
SpeedStep technology. Disabling this
feature may improve performance, but
will greatly reduce battery life.
Virtualization
Allows you to enable or disable the Intel
Virtualization technology.
USB Emulation
Allows you to enable or disable the USB
emulation feature. This feature defines
how the BIOS, in the absence of a
USB-aware operating system, handles
USB devices. USB emulation is always
enabled during POST.
NOTE: You cannot boot any type of USB
device (floppy, hard drive, or memory key)
when this option is off.
USB Wake Support
Allows you to enable USB devices to wake
the computer from standby or to disable
the USB wake support feature.
NOTE: If USB Powershare is enabled, a
device connected to the USB Powershare
connector may not wake the computer.
USB Power Share
Allows you to charge USB devices when
the computer is turned off or in standby
mode.
• AC Only: Charge USB devices when
connected to AC adapter only.
• AC and Battery: Charge USB devices
when connected to AC adapter and
when the computer is running on
battery.
• Disabled: Disables USB PowerShare.