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Latitude 7490 Owner's Manual

PDF

System Configuration screen options

Option
Description
Integrated NIC
Allows you to configure the integrated network controller. The options are:
  • Disabled
  • Enabled
  • Enable UEFI network stack: This option is enabled by default.
  • Enabled w/PXE
SATA Operation
Allows you to configure the internal SATA hard-drive controller. The options are:
  • Disabled
  • AHCI
  • RAID On: This option is enabled by default.
Drives
Allows you to configure the SATA drives on board. All drives are enabled by default. The options are:
  • SATA-2
  • M.2 PCI-e SSD-0
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.
  • Enable SMART Reporting
USB Configuration

This is an optional feature.

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 USB Boot Support—enabled by default
  • Enable External USB Port—enabled by default
NOTE USB keyboard and mouse always work in the BIOS setup irrespective of these settings.
Dell Type-C Dock Configuration
Always Allow Dell Docs.This option is enabled by default.
Thunderbolt Adaptor Configuration
  • Enable Thunderbolt Technology Support.This option is enabled by default.
  • Enable Thunderbolt Adaptor Boot Support
  • Enable Thunderbolt Adaptor Pre-boot Modules
  • Security level—No Security
  • Security level—User Authorization.This option is enabled 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. This option is disabled by default
Audio
This field enables or disables the integrated audio controller. By default, the Enable Audio option is selected. The options are:
  • Enable Microphone—by default enable
  • Enable Internal Speaker—by default enable
Keyboard Illumination
This field lets you choose the operating mode of the keyboard illumination feature. The keyboard brightness level can be set from 0% to 100%. The options are:
  • Disabled
  • Dim
  • Bright—enabled by default
Keyboard Backlight with AC
The Keyboard Backlight with AC option does not affect the main keyboard illumination feature. Keyboard Illumination will continue to support the various illumination levels. This field has an effect when the backlight is enabled. This option is enabled by default.
Keyboard Backlight Timeout on AC
The Keyboard Backlight Timeout dims out with AC option. The main keyboard illumination feature is not affected. Keyboard Illumination will continue to support the various illumination levels. This field has an effect when the backlight is enabled. The options are:
  • 5 sec
  • 10 sec—enabled by default
  • 15 sec
  • 30 sec
  • 1 min
  • 5 min
  • 15 min
  • Never
Keyboard Backlight Timeout on Battery
The Keyboard Backlight Timeout dims out with the Battery option. The main keyboard illumination feature is not affected. Keyboard Illumination will continue to support the various illumination levels. This field has an effect when the backlight is enabled. The options are:
  • 5 sec
  • 10 sec—enabled by default
  • 15 sec
  • 30 sec
  • 1 min
  • 5 min
  • 15 min
  • Never
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.
Miscellaneous Devices
Allows you to enable or disable the following devices:
  • Enable Camera—enabled by default
  • Secure Digital (SD) card—enabled by default
  • Secure Digital (SD) card boot
  • Secure Digital (SD) card read-only-mode

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