Gigabyte GA-Z87MX-D3H, User Manual

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BIOS Setup - 54 -
Disabled The USB 3.0 ports are routed to the EHCI controller and the xHCI controller is turned
off. All USB 3.0 devices function as High Speed devices regardless of xHCI software
support/availability.
Manual Allows you to determine whether to rout the USB 3.0 ports to the xHCI or EHCI 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.
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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 .
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Internal Graphics
Enables or disables the onboard graphics function. (Default: Enabled)
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Internal Graphics Memory Size
Allows you to set the onboard graphics memory size. Options are: 32M~1024M. (Default: 64M)
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DVMT Total Memory Size
Allows you to allocate the DVMT memory size of the onboard graphics. Options are: 128M, 256M, MAX.
(Default: MAX)
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Intel(R) Rapid Start Technology
Enables or disables Intel
®
Rapid Start Technology. (Default: Disabled)
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Legacy USB Support
Allows USB keyboard/mouse to be used in MS-DOS. (Default: Enabled)
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XHCI Hand-off
Determines whether to enable XHCI Hand-off feature for an operating system without XHCI Hand-off
support. (Default: Enabled)
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EHCI Hand-off
Determines whether to enable EHCI Hand-off feature for an operating system without EHCI Hand-off
support. (Default: Disabled)
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USB Storage Devices
Displays a list of connected USB mass storage devices. This item appears only when a USB storage device
is installed.