Gigabyte Z790 AORUS ELITE X BIOS Setup Guide - Page 21

&& Reserved PMemory Allows you to set the reserved prefetchable memory for this root bridge. && PMemory Alignment Allows you to set prefetchable memory alignment. && Reserved I/O Allows you to set reserved I/O for DTBT Controller 0. ƒƒ USB Configuration && Legacy USB Support Allows USB keyboard/mouse to be used in MS-DOS. && XHCI Hand-off Determines whether to enable XHCI Hand-off feature for an operating system without XHCI Hand-off support. && USB Mass Storage Driver Support Enables or disables support for USB storage devices. && Port 60/64 Emulation Enables or disables support for USB storage devices. && Mass Storage Devices Displays a list of connected USB mass storage devices. This item appears only when a USB storage device is installed. ƒƒ Network Stack Configuration && Network Stack Disables or enables booting from the network to install a GPT format OS, such as installing the OS from the Windows Deployment Services server. && IPv4 PXE Support Enables or disables IPv4 PXE Support. This item is configurable only when Network Stack is enabled. && IPv4 HTTP Support Enables or disables HTTP boot support for IPv4. This item is configurable only when Network Stack is enabled. && IPv6 PXE Support Enables or disables IPv6 PXE Support. This item is configurable only when Network Stack is enabled. && IPv6 HTTP Support Enables or disables HTTP boot support for IPv6. This item is configurable only when Network Stack is enabled. && PXE boot wait time Allows you to configure how long to wait before you can press to abort the PXE boot. This item is configurable only when Network Stack is enabled. && Media detect count Allows you to set the number of times to check the presence of media. This item is configurable only when Network Stack is enabled. ƒƒ NVMe Configuration Displays information on your M.2 NVME PCIe SSD if installed. - 21 -