Audio Controller - Gigabyte GA-H81M-HD2 User Manual

All shared ports are eventually routed to the xHCI controller during the BIOS boot process.
Enabled
If BIOS does not have pre-boot support for the xHCI controller, it should initially route
the sharable ports to the EHCI controller and then prior to OS boot it should route the
ports to xHCI controller. Note: OS has to provide support for the xHCI controller in this
mode. If the OS does not provide support, all sharable ports won't work.
The USB 3.0 ports are routed to the EHCI controller and the xHCI controller is turned
Disabled
off. All USB 3.0 devices function as High Speed devices regardless of xHCI software
support/availability.
Allows you to determine whether to rout the USB 3.0 ports to the xHCI or EHCI controller
Manual
before booting to OS, and also provides you with options to manually rout each USB
3.0/2.0 port to xHCI or EHCI.
& Audio Controller
Enables or disables the onboard audio function. (Default: Auto)
If you wish to install a 3rd party add-in audio card instead of using the onboard audio, set this item to
Disabled.
& Intel Processor Graphics
Enables or disables the onboard graphics function. (Default: Enabled)
& Intel Processor Graphics Memory Allocation
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)
& 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)
& USB Storage Devices
Displays a list of connected USB mass storage devices. This item appears only when a USB storage device
is installed.
& 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.
` SATA Configuration
& Integrated SATA Controller
Enables or disables the integrated SATA controllers. (Default: Enabled)
& SATA Mode Selection
Allows you to decide whether to configure the SATA controller integrated in the Chipset to AHCI mode.
Configures the SATA controller to IDE mode.
IDE
Configures the SATA controllers to AHCI mode. Advanced Host Controller Interface
AHCI
(AHCI) is an interface specification that allows the storage driver to enable advanced
Serial ATA features such as Native Command Queuing and hot plug. (Default)
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