Dell Alienware 15 (Early 2015) - Manual (Page 141)

Main
System Memory Displays the system memory.
Extended Memory Displays the extended memory.
Memory Speed Displays the memory speed.
Advanced
Intel(R) SpeedStep (TM) Allows you to disable or enable Intel (R)
SpeedStep Technology.
Default: Enabled
NOTE: If enabled, the processor
clock speed and core voltage are
adjusted dynamically based on the
processor load.
Virtualization Allows you to disable or enable the Intel
Virtualization technology.
Default: Enabled
VT for Direct I/O Allows you to disable or enable a Virtual
Machine Monitor (VMM) to use the
additional hardware capabilities
provided by Intel(R) Virtualization
Technology for Direct I/O.
Default: Enabled
Integrated NIC Allows you to disable or enable the on-
board LAN controller.
Default: Enabled
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.
Default: Enabled
NOTE: You cannot boot any type of
USB device (floppy, hard drive, or
memory key) when this option is
disabled.
USB PowerShare Allows you to charge USB devices when
the computer is turned off or in standby
mode.
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