Dell Alienware Area 51 R2 (Late 2014) - Manual (Page 124)

Advanced
Intel(R) SpeedStep Technology Allows you to enable or disable Intel (R)
Speedstep Technology. Default:
Enabled.
NOTE: If enabled, the processor
clock speed and core voltage are
adjusted dynamically based on
the processor load.
CPU C states Allows you to enable or disable CPU C
states. Default: Enabled.
Active Processor Cores Allows you to enable the number of
cores in each processor. Options: one
to five cores.
Integrated Devices
USB Controller Allows you to enable or disable the
integrated USB controller. Default:
Enabled.
HD Audio Allows you to enable or disable the
integrated audio controller. Default:
Enabled.
Onboard LAN Controller Allows you to enable or disable the
onboard LAN controller. Default:
Enabled.
Pxe Option Allows you to enable or disable the
boot option for legacy network devices.
Default: Disabled.
Launch PXE OpROM Allows you to enable or disable the PXE
OpROM. Default: Disabled.
UEFI PXE Driver Allows you to enable or disable the
UEFI PXE Driver. Default: Disabled.
PCIE GEN3 Allows you to enable or disable the
PCIE GEN3. Default: Enabled.
Power Management Setup
AC Recovery Sets what action the computer takes
when power is restored. Default: Last
State.
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