Asus ROG MAXIMUS Z790 FORMULA ROG Z790 Series BIOS Manual English - Page 81

Network Stack Configuration, XHCI Hand-off, Mass Storage Devices, USB Single Port Control

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Page 81 highlights

XHCI Hand-off This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change should be claimed by XHCI driver. [Disabled] Support XHCI by XHCI drivers for operating systems with XHCI support. [Enabled] Support XHCI by BIOS for operating systems without XHCI support. Mass Storage Devices: Allows you to select the mass storage device emulation type for devices connected. [Auto] enumerates devices according to their media format. Optical drives are emulated as [CDROM], drives with no media will be emulated according to a drive type. Configuration options: [Auto] [Floppy] [Forced FDD] [Hard Disk] [CD-ROM] USB Single Port Control Allows you to enable or disable the individual USB ports. Refer to section Motherboard layout and Rear I/O connection in your motherboard's user manual for the location of the USB ports. 6.13 Network Stack Configuration The items in this menu allow you to change the Network Stack Configuration. Network stack Allows you to disable or enable the UEFI network stack. Configuration options: [Disabled] [Enabled] The following items appear only when Network Stack is set to [Enabled]. Ipv4/Ipv6 PXE Support Allows you to enable or disable the Ipv4/Ipv6 PXE boot support. Configuration options: [Disabled] [Enabled] ROG Z790 Series (Intel® 14th) BIOS Manual 81

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ROG Z790 Series (Intel
®
14
th
) BIOS Manual
81
XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
[Disabled]
Support XHCI by XHCI drivers for operating systems with XHCI support.
[Enabled]
Support XHCI by BIOS for operating systems without XHCI support.
Mass Storage Devices:
Allows you to select the mass storage device emulation type for devices connected.
[Auto]
enumerates devices according to their media format. Optical drives are emulated as
[CD-
ROM]
, drives with no media will be emulated according to a drive type.
Configuration options: [Auto] [Floppy] [Forced FDD] [Hard Disk] [CD-ROM]
USB Single Port Control
Allows you to enable or disable the individual USB ports.
Refer to section
Motherboard layout
and
Rear I/O connection
in your motherboard’s
user manual for the location of the USB ports.
6.13
Network Stack Configuration
The items in this menu allow you to change the Network Stack Configuration.
Network stack
Allows you to disable or enable the UEFI network stack.
Configuration options: [Disabled] [Enabled]
The following items appear only when
Network Stack
is set to
[Enabled]
.
Ipv4/Ipv6 PXE Support
Allows you to enable or disable the Ipv4/Ipv6 PXE boot support.
Configuration options: [Disabled] [Enabled]