Dell XPS 720 Black Owner's Manual - Page 170
Specifies whether Enhanced Intel SpeedStep, Enhanced SpeedStep technology
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Advanced SpeedStep (Off default) Virtualization (Off default) HDD Acoustic Mode (Bypass default) Security Admin Password (Not Set default) System Password (Not Set default) Displays processor type and current BIOS settings for processor clock speed, processor multiplier, front side bus (FSB) clock, and CPU core voltage. These settings may have been set by performance tuning applications or may change depending on settings in performance applications that you have installed. For systems with Intel Extreme processors, the following fields are adjustable through the BIOS: • Processor Clock Speed: Adjusts the multiplier of the processor. For processors that cannot be overclocked, this field reports the current settings and cannot be changed. • Performance Application Support: Enables software applications to display and modify key 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 returns your system to the factory defaults including RAID settings. Specifies whether Enhanced Intel SpeedStep® technology is enabled for all supported processors in the system. • Off - Disable Enhanced SpeedStep technology • On - Enable Enhanced SpeedStep technology Specifies whether a virtual machine monitor (VMM) can utilize the additional hardware capabilities provided by Intel Virtualization Technology • Off - Disable Virtualization Technology • On - Enable Virtualization Technology Determines the acoustic mode at which the hard drive operates. • 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. Used to prohibit an unauthorized user from changing any configuration settings in the system setup. Used to prohibit an unauthorized user from booting to the operating system. 170 Appendix