Gigabyte GA-J1900N-D3V User Manual page 23

& Other PCI devices
Allows you to select whether to enable the UEFI or Legacy option ROM for the PCI device controller other
than the LAN, storage device, and graphics controllers.
UEFI First Enables UEFI option ROM first. (Default)
Legacy only Enables legacy option ROM only.
This item is configurable only when CSM Support is set to Enabled.
` USB Configuration
& Legacy USB Support
Allows USB keyboard/mouse to be used in MS-DOS. (Default: Enabled)
& USB3.0 Support
Enables or disables the USB 3.0 controller. (Default: Enabled)
& XHCI Hand-off
Determines whether to enable XHCI Hand-off feature for an operating system without XHCI Hand-off
support. (Default: Enabled)
& EHCI Hand-off
Determines whether to enable EHCI Hand-off feature for an operating system without EHCI Hand-off
support. (Default: Disabled)
& USB Mass Storage Driver Support
Enables or disables support for USB storage devices. (Default: Enabled)
& Mass Storage Devices
Displays a list of connected USB mass storage devices. This item appears only when a USB storage device
is installed.
` Realtek PCIe GBE Family Controller
This sub-menu provides information on LAN configuration and related configuration options.
` Realtek PCIe GBE Family Controller
This sub-menu provides information on LAN configuration and related configuration options.
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