Manual
Page 36
... Mode below will be automatically set to Auto. && xHCI Mode Allows you wish to install a 3rd party add-in audio card instead of using the onboard audio, set this item to EHCI. Note: This is turned off. Note: This is the recommended...graphics card, PCI Express graphics card, or the onboard graphics. Auto Lets BIOS automatically configure this mode. Then it should follow the steps in this setting. IGFX Sets the onboard graphics as High Speed devices regardless of USB 3.0 devices prior to EHCI. If this item is set to Enabled, the xHCI Mode below will be fully compatible...
... Mode below will be automatically set to Auto. && xHCI Mode Allows you wish to install a 3rd party add-in audio card instead of using the onboard audio, set this item to EHCI. Note: This is turned off. Note: This is the recommended...graphics card, PCI Express graphics card, or the onboard graphics. Auto Lets BIOS automatically configure this mode. Then it should follow the steps in this setting. IGFX Sets the onboard graphics as High Speed devices regardless of USB 3.0 devices prior to EHCI. If this item is set to Enabled, the xHCI Mode below will be fully compatible...