Dell Latitude 3470 Owner's Manual page 32

Option Description
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Drives Allows you to configure the SATA drives on board. All drives are enabled by default.
The options are:
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SMART Reporting This field controls whether hard drive errors for integrated drives are reported
during system startup. This technology is part of the SMART (Self Monitoring
Analysis and Reporting Technology) specification. This option is disabled by default.
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USB Configuration This field configures the integrated USB controller. If Boot Support is enabled, the
system is allowed to boot any type of USB Mass Storage Devices (HDD, memory
key, floppy).
If USB port is enabled, device attached to this port is enabled and available for OS.
If USB port is disabled, the OS cannot see any device attached to this port.
The options are:
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Audio This field enables or disables the integrated audio controller. By default, the Enable
Audio option is selected. The options are:
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Keyboard This field lets you choose the operating mode of the keyboard illumination feature.
Illumination The keyboard brightness level can be set from 0% to 100%. The options are:
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Keyboard The Keyboard Backlight with AC option does not affect the main keyboard
Backlight with AC illumination feature. Keyboard Illumination will continue to support the various
illumination levels. This field has an effect when the backlight is enabled.
Unobtrusive Mode This option, when enabled, pressing Fn+F7 turns off all light and sound emissions
in the system. To resume normal operation, press Fn+F7 again. This option is
disabled by default.
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Disabled
AHCI
:This option is enabled by default.
SATA-0
Enable SMART Reporting
Enable USB Boot Support (by default enable)
Enable External USB Port (by default enable)
Enable Microphone (by default enable)
Enable Internal Speaker (by default enable)
Disabled
Dim
Bright (enabled by default)