136 Appendix
CPU Clock Speed Provides limited capability to adjust the CPU clock speed so that the CPU
operates at a different frequency than that designated in the manufacturer’s
design specifications.
NOTICE: Dell does not recommend operating the CPU at a frequency that
is greater than the manufacturer’s design specifications (also referred to
as over-clocking). Operating the CPU in this manner may cause your
system to shut down unexpectedly, may result in a loss of data, and may
reduce the operational life of the processor. If the system shuts down
unexpectedly or is unstable, select a lower CPU operating frequency.
NOTE: Press <Alt><F> to return the processor back to the default setting.
HDD Acoustic Mode
(
Bypass
default)
Determines the acoustic mode at which the hard drive operates.
•
Bypass
— Do nothing (needed for older drives).
•
Quiet
— The hard drive operates at its most quiet setting.
•
Suggested
— Allow the hard drive manufacturer to select the mode.
•
Performance
—
T
he hard drive operates at its maximum 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.
•
Off
—
Execute Disable Memory Protection technology
is disabled.
•
On
—
Execute Disable Memory Protection technology
is enabled.
Power Management
AC Recovery
(
Off
default)
Specifies how the computer will behave when AC power is restored after an
AC power loss.
•
Off
— The system stays off after AC power is restored.
•
On
— The system powers on after AC power is restored.
•
Last
— The system returns to the previous state after AC power is restored.
book.book Page 136 Thursday, July 20, 2006 11:10 AM
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