Dell Precision 7520 Owner's Manual page 67

Option Description
● Enable SMART Reporting
USB
This is an optional feature.
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:
● Enable Boot support (by default enable)
● Enable Thunderbolt ports (by default enable)
● Always Allow dell docks
● Enable external USB ports
Others:
● Enable Thubderbolt Boot Support
● Enable Thunderbolt (and PCIE behind TBT) Pre-boot
● Security level-no security
● Security level-user configuration (selected by default)
● Security level-secure connect
● Security level- Display port only
USB PowerShare This field configures the USB PowerShare feature behavior. This option allows you to charge external
devices using the stored system battery power through the USB PowerShare port (disabled by default)..
This field enables or disables the integrated audio controller. By default, the Enable Audio option is
Audio
selected. The options are:
● Enable Microphone (by default enable)
● Enable Internal Speaker (by default enable)
This field lets you choose the operating mode of the keyboard illumination feature. The keyboard
Keyboard
brightness level can be set from 0% to 100%. The options are:
Illumination
● Disabled (selected by default)
● Dim
● Bright
The Keyboard Backlight with AC option does not affect the main keyboard illumination feature. Keyboard
Keyboard
Illumination will continue to support the various illumination levels. This field has an effect when the
Backlight with
backlight is enabled (selected by default).
AC
The Keyboard Backlight Time-out dims out with AC option. The main keyboard illumination feature is not
Keyboard
affected. Keyboard Illumination will continue to support the various illumination levels. This field has an
Backlight
effect when the backlight is enabled.
Timeout on AC
● 5 sec
● 10 sec (selected by default)
● 15 sec
● 30 sec
● 1 min
● 5 min
● 15 min
● never
Controls whether the touch screen is enabled or disabled (enabled by default).
Touchscreen
The Keyboard Backlight Time-out dims out with Battery option. The main keyboard illumination feature is
Keyboard
not affected. Keyboard Illumination will continue to support the various illumination levels. This field has
Backlight
an effect when the backlight is enabled.
Timeout on
● 5 sec
Battery
USB keyboard and mouse always work in the BIOS setup irrespective of these settings.
NOTE:
BIOS setup 67