Dell Latitude 5480 Owner's Manual page 76

Option Description
● Disabled
● COM1: This option is enabled by default.
● COM2
● COM3
● COM4
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-0
● SATA-2
● SATA-4
● M.2 PCI-e SSD-0
SMART This field controls whether hard drive errors for integrated drives are reported during system startup. This
Reporting technology is part of the SMART (Self Monitoring Analysis and Reporting Technology) specification. This
option is disabled by default.
● 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 USB Boot Support: This option is enabled by default.
● Enable External USB Port: This option is enabled by default.
USB Thunderbolt 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: This option is enabled by default.
● Enable External USB Port: This option is enabled by default.
● Enable Thunderbolt Port: This option is enabled by default.
● Enable Thunderbolt Boot Support. This is an optional feature.
● Always Allows Dell Docks. This is an optional feature.
● Enables Thunderbolt (and PCIe behind TBT) Pre-boot
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.
Unobtrusive This option, when enabled, pressing Fn+F7 turns off all light and sound emissions in the system. To
Mode resume normal operation, press Fn+F7 again. This option is disabled by default.
Miscellaneous Allows you to enable or disable the following devices:
Devices
● Enable Camera: This option is enabled by default.
● Enable Hard Drive Free Fall Protection: This option is enabled by default.
● Enable Secure Digital (SD) Card: This option is enabled by default.
● Secure Digital (SD) Card Boot
76 System setup options
NOTE: USB keyboard and mouse always work in the BIOS setup irrespective of these settings.