Dell Dimension U7021 Owner's Manual page 122

LPT Port Mode
LPT Port Address
LPT Port DMA
Serial Port #1
Video
Primary Video
Performance
HyperThreading
Performance
Security
Admin Password
System Password
Password Status
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Appendix
Identifies and defines the parallel port settings. You can set the parallel port
to Off, AT, PS/2, EPP , or ECP .
Identifies the address for the parallel port.
Identifies and defines the parallel port DMA settings. You can set the
parallel port DMA to Off, DMA1, or DMA3.
Identifies and defines the serial port settings. Auto, the default setting,
automatically configures a connector to a particular designation (COM1 or
COM3).
This setting specifies which video controller is primary when two video
controllers are present on the computer.
If your computer's processor supports Hyper-Threading, this option appears
in the Options List.
• Bypass — Your computer does not test or change the current acoustics
mode setting.
• Quiet (default) — The hard drive operates at its most quiet setting.
• Suggested — The hard drive operates at the level suggested by the drive
manufacturer.
• Performance — The hard drive operates at its maximum speed.
NOTE:
Switching to performance mode may cause the drive to be noisier, but
its performance is not affected.
NOTE:
Changing the acoustics setting does not alter your hard drive image.
This section displays available system security options.
This option provides restricted access to the computer's system setup
program in the same way that access to the system can be restricted with the
System Password option.
Displays the current status of the system's password security feature and
allows a new system password to be assigned and verified.
This option locks the system password field with the setup password. When
the field is locked, you can no longer disable password security by pressing
<Ctrl><Enter> when the computer starts.