Gigabyte Z390 UD V2 User Manual

& DVMTTotalGfxMem
 AllowsyoutoallocatetheDVMTmemorysizeoftheonboardgraphics.Optionsare:128M,256M,MAX.
(Default: 256M)
& Aperture Size
Allows you to set the maximum amount of system memory that can be allocated to the graphics card.
Options are: 128MB, 256MB, 512MB, 1024MB, and 2048MB. (Default: 256MB)
& PCIEBifurcationSupport
Allows you to determine how the bandwidth of the PCIEX16 slot is divided. Options: PCIE x16, PCIE x8/x8,
PCIE x8/x4/x4. (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.
& 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.
& 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)
& IOAPIC24-119Entries
Enables or disables this function. (Default: Enabled)
 SuperIOConguration
& Serial Port
Enables or disables the onboard serial port. (Default: Enabled)
 USBConguration
& 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: Disabled)
& 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.
- 30 -

Gigabyte Z390 UD V2 Specifications

General

Brand	Gigabyte
Model	Z390 UD V2
Category	Motherboard
Language	English