Dell Latitude 9510, Setup And Specifications Manual

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Table 23. System Configuration(continued)
Option Description
Thunderbolt™ Auto Switch
This option configures the method used by the Thunderbolt
controller to perform PCIe device enumeration.
• Auto Switch : The BIOS will automatically switch between
BIOS Assist and Native Thunderbolt PC device enumeration
modes to get all benefits of the installed OS
• Native Enumeration : The BIOS will program the Thunderbolt
controller to Native mode ( Auto Switching is disabled)
• BIOS Assist Enumeration : The BIOS will program the
Thunderbolt controller to BIOS Assist mode ( Auto Switching is
disabled)
NOTE: A reboot is required for these changes to take
effect.
USB PowerShare
This option enables/disables the USB PowerShare feature
behavior.
This option is disabled by default.
Audio
Allows you to enable or disable the integrated audio controller. By
default, the
Enable Audio option is selected.
The options are:
• Enable Microphone
• Enable Internal Speaker
This option is set by default.
Keyboard Illumination
This field lets you choose the operating mode of the keyboard
illumination feature.
• Disabled : The Keyboard illumination will always be off or 0%.
• Dim : Enable the keyboard illumination feature at 50%
brightness.
• Bright : Enable the keyboard illumination feature at 100%
brightness level.
Keyboard Backlight Timeout on AC
This feature defines the timeout value for the keyboard backlight
when an AC adapter is plugged into the system.
Options are:
• 5 seconds
• 10 seconds (Default)
• 15 seconds
• 30 seconds
• 1 minute
• 5 minutes
• 15 minutes
• Never
Keyboard Backlight Timeout on Battery
This feature defines the timeout value for the keyboard backlight
when the system is running only on battery power.
Options are:
• 5 seconds
• 10 seconds (Default)
• 15 seconds
• 30 seconds
28 System setup