Dell XPS 420 owner manual 183

book.book Page 183 Tuesday, November 27, 2007 10:29 AM

SpeedStep	Specifies whether Enhanced Intel SpeedStep® technology is
(Off default)	enabled for all supported processors in the system.
	• Off — Disable Enhanced SpeedStep technology
	• On — Enable Enhanced SpeedStep technology
HDD Acoustic Mode	Determines the acoustic mode at which the hard drive
(Bypass default)	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.
Security
Admin Password	Used to prohibit an unauthorized user from changing any
(Not Set default)	configuration settings in the system setup.
System Password	Used to prohibit an unauthorized user from booting to the
(Not Set default)	operating system.
Password Changes	This option locks the system password field with the
(Unlocked default)	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.

Appendix

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