Gigabyte X570S UD User Manual page 32

& HD Audio Controller
Enables or disables the onboard audio function. (Default: Enabled)
If you wish to install a 3rd party add-in audio card instead of using the onboard audio, set this item to
Disabled.
& PCIEX16 Bifurcation
Allows you to determine how the bandwidth of the PCIEX16 slot is divided. Options: Auto, PCIE 2x8,
PCIE 1x8/2x4, PCIE 2x4/1x8
& Above 4G Decoding
Enables or disables 64-bit capable devices to be decoded in above 4 GB address space (only if your system
supports 64-bit PCI decoding). Set to Enabled if more than one advanced graphics card are installed and
their drivers are not able to be launched when entering the operating system (because of the limited 4 GB
memory address space). (Default: Disabled)
& Re-Size BAR Support
Enables or disables support for Resizable BAR. (Default: Disabled)
& F_U32C Gen Speed
Allows you to set the operation mode of the F_U32C header to Gen 1 or Gen 2
is subject to the hardware specificatio of each header. (Default: Auto)
& Onboard LAN Controller
Enables or disables the onboard LAN function. (Default: Enabled)
If you wish to install a 3rd party add-in network card instead of using the onboard LAN, set this item to
Disabled.
ƒ APP Center Download & Install Configuration
& APP Center Download & Install
Allows you to determine whether to automatically download and install GIGABYTE APP Center after entering
the operating system. Before installing APP Center, make sure the system is connected to the Internet.
(Default: Enabled)
ƒ USB Configuration
& Legacy USB Support
Allows USB keyboard/mouse to be used in MS-DOS. (Default: Enabled)
& XHCI Hand-off
Determines whether to enable XHCI Hand-off feature for an operating system without XHCI Hand-off
support. (Default: Enabled)
& USB Mass Storage Driver Support
Enables or disables support for USB storage devices. (Default: Enabled)
& Port 60/64 Emulation
Enables or disables emulation of I/O ports 64h and 60h. This should be enabled for full legacy support
for USB keyboards/mice in MS-DOS or in operating system that does not natively support USB devices.
(Default: Disabled)
& Mass Storage Devices
Displays a list of connected USB mass storage devices. This item appears only when a USB storage device
is installed.
ƒ NVMe Configuration
Displays information on your M.2 NVME PCIe SSD if installed.
(Note) This item is present only when you install a CPU that supports this feature.
, PCIE 4x4 . (Default: Auto)
(Note) (Note)
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. Actual operation mode
(Note)