Gigabyte GA-P85-D3 User Manual page 29

All shared ports are eventually routed to the xHCI controller during the BIOS boot
Enabled
process. 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
Manual
controller 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)
& Intel(R) Rapid Start Technology
Enables or disables Intel ®
& 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
Rapid Start Technology. (Default: Disabled)
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