Dell Dimension YH242 Owner's Manual page 130

Integrated Audio
USB Controller
USB for FlexBay
Rear Quad USB
Real Dual USB
Front USB
PS/2 mouse port
Video
Primary Video
Performance
Multiple CPU Core
Virtualization
SpeedStep
HyperThreading
HDD Acoustic Mode
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Appendix
Enables or disables the onboard audio controller.
Set to On (default) so that USB devices will be detected and supported in the
operating system.
This field enables and disables the internal USB for FlexBay.
• Off — Internal USB for FlexBay is disabled.
• On — Internal USB for FlexBay is enabled.
• No Boot — Internal USB for FlexBay is enabled but not bootable.
The factory default setting is No Boot.
NOTE:
This USB option appears only if a FlexBay device is installed.
Enables or disables the 4-stack of USB ports on the back of the computer.
Enables or disables the 2-stack of USB ports on the back of the computer.
Enables or disables the 2-stack of USB ports on the front of the computer.
If your computer has the optional PS/2 mouse port, then this option is listed.
This setting specifies which video controller is primary when two video
controllers are present on the computer.
If your computer processor supports more than one core, this option appears
in the Options List.
If your computer processor supports virtual technology, this option appears in
the Options List.
If your computer processor supports Intel
option is listed and it allows you to enable or disable support for this feature.
If your computer processor supports Hyper-Threading, this option appears in
the Options List.
• Bypass (default) — Your computer does not test or change the current
acoustics mode setting.
• Quiet — 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 will cause the drive heads to move
faster, causing the hard drive to be noisier. However, some drives may not see an
increase in data transfer rates.
NOTE:
Changing the acoustics setting does not alter your hard drive image.
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SpeedStep technology, then this