Dell 720H2C appendix Security, Power Management

	system parameters to tune system
	performance. These applications are not
	installed or supported by Dell. The default is
	Off.
	NOTE: To enable overclocking of other system
	components, you first need to enable the
	Performance Application Support option in BIOS and
	then download an application like NVIDIA nTune
	version 5.0 or higher.
	NOTE: Pressing <Alt><F> returns your system to the
	factory defaults including RAID settings.
SpeedStep	Specifies whether Enhanced Intel SpeedStep®
	technology is enabled for all supported processors in
(Off default)	the system.
	• Off — Disable Enhanced SpeedStep
	technology
	• On — Enable Enhanced SpeedStep technology
Virtualization	Specifies whether a virtual machine monitor (VMM)
	can utilize the additional hardware capabilities
(Off default)	provided by Intel Virtualization Technology
	• Off — Disable Virtualization Technology
	• On — Enable Virtualization Technology
HDD Acoustic Mode	Determines the acoustic mode at which the hard
	drive operates.
(Bypass default)	• Bypass — Do nothing (needed for older
	drives).
	• Quiet — The hard drive operates at a slower,
	but quieter speed.
	• Suggested — Allow the hard drive
	manufacturer to select the mode.
	• Performance — The hard drive operates at a
	faster, but possibly noisier speed.
	NOTE: Switching to performance mode may cause an
	increase in noise produced by the drive, but does not
	affect the drive's performance.
	NOTE: Changing the acoustics setting does not alter
	your hard drive image.
Security
Admin Password	Used to prohibit an unauthorized user from changing
	any configuration settings in the system setup.
(Not Set default)
System Password	Used to prohibit an unauthorized user from booting
	to the operating system.
(Not Set default)
Password Changes	This option locks the system password field with the
	administrator (admin) password.
(Unlocked default)
	NOTE: When the system password field is locked,
	you can no longer disable password security by
	pressing <Ctrl><Enter> when the computer starts.
Execute Disable	Enables or disables Execute Disable Memory
	Protection technology.
(On default)	• Off — Execute Disable Memory Protection
	technology is disabled.
	• On — Execute Disable Memory Protection
	technology is enabled.
Power Management
AC Recovery	Specifies how the computer will behave when AC