Gigabyte GA-Z77X-UD5H - Audio, Display, and Other Peripheral Settings

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BIOS Setup
& xHCI Streams (Intel Z77 Chipset)
Enables or disables multi-stream data transfer. Note:For Windows 7 USB 3.0 Streams support, devices
may require UASP class driver updates from UASP driver vendors to be fully compatible with Intel USB
3.0 Streams Support. (Default: Enabled)
& USB Controller (USB 3.0/2.0 Controller)
Enables or disables the integrated USB 3.0/2.0 controller. (Default: Enabled)
& 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.
& Init Display First
Specifes the frst initiation of the monitor display from the installed PCI graphics card, PCI Express graphics
card, or the onboard graphics.
Auto   LetsBIOSautomaticallycongurethissetting.(Default)
IGFX   Setstheonboardgraphicsastherstdisplay.
PEG   SetsthePCIExpressgraphicscardonthePCIEX16slotastherstdisplay.
PCI   SetsthegraphicscardonthePCIslotastherstdisplay.
& Internal Graphics
Enables or disables the onboard graphics function. (Default: Auto)
& Internal Graphics Memory Size
Allows you to set the onboard graphics memory size. Options are: 32M~1024M. (Default: 64M)
& DVMT Total Memory Size
Allows you to allocate the DVMT memory size of the onboard graphics. Options are: 128M, 256M, MAX.
(Default: MAX)
& Intel(R) Rapid Start Technology
 EnablesordisablesIntelRapidStartTechnology.ThisitemiscongurableonlywhenanSSDisinstalled.
(Default: Disabled)
& 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)
& EHCI Hand-off
Determines whether to enable EHCI Hand-off feature for an operating system without EHCI Hand-off
support. (Default: Disabled)
& 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)
& USB Storage Devices
Displays a list of connected USB mass storage devices. This item appears only when a USB storage device
is installed.