Dell 720H2C Personal Computer User Manual


 
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
(Off default)
Specifies whether Enhanced Intel SpeedStep®
technology is enabled for all supported processors in
the system.
l Off Disable Enhanced SpeedStep
technology
l On Enable Enhanced SpeedStep technology
Virtualization
(Off default)
Specifies whether a virtual machine monitor (VMM)
can utilize the additional hardware capabilities
provided by Intel Virtualization Technology
l Off Disable Virtualization Technology
l On Enable Virtualization Technology
HDD Acoustic Mode
(Bypass default)
Determines the acoustic mode at which the hard
drive operates.
l Bypass Do nothing (needed for older
drives).
l Quiet The hard drive operates at a slower,
but quieter speed.
l Suggested Allow the hard drive
manufacturer to select the mode.
l 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
(Not Set default)
Used to prohibit an unauthorized user from changing
any configuration settings in the system setup.
System Password
(Not Set default)
Used to prohibit an unauthorized user from booting
to the operating system.
Password Changes
(Unlocked default)
This option locks the system password field with the
administrator (admin) password.
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
(On default)
Enables or disables Execute Disable Memory
Protection technology.
l Off Execute Disable Memory Protection
technology is disabled.
l On Execute Disable Memory Protection
technology is enabled.
Power Management
AC Recovery
Specifies how the computer will behave when AC