Gigabyte GA-H61M-DS2 R2 User Manual page 26

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. If this item is set to Disabled, the HS Port #1/2/3/4 Switchable
and xHCI Streams items below will become unconfigurable.
& HS Port #1 Switchable~HS Port #4 Switchable
Corresponding USB 3.0 port is routed to xHCI. The USB 3.0 device attached on this
Enabled
port with Super-Speed capability is visible to xHCI controller. (Default)
Corresponding USB 3.0 port is routed to EHCI. The USB 3.0 device attached on this
Disabled
port with Super-Speed capability will function as High-Speed.
& xHCI Streams
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)
& USB2.0 Controller
Enables or disables the integrated USB 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
Specifies the first initiation of the monitor display from the installed PCI graphics card, PCI Express graphics
card or the onboard graphics.
Auto Lets the BIOS automatically configure this setting. (Default)
IGFX Sets the onboard graphics as the first display.
PEG Sets the PCI Express graphics card on the PCIEX16 slot as the first 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
®
(Default: Disabled)
& Legacy USB Support
Allows USB keyboard/mouse to be used in MS-DOS. (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. You can configure how each device is going to be
treated. For example, you can emulate a USB flash drive as a floppy disk drive. (Default: Auto)
Rapid Start Technology. This item is configurable only when an SSD is installed.
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