EHCI Hand-Off
This item is for Operating Systems that do not support Enhanced Host Con- troller Interface (EHCI)
XHCI Pre-Boot Driver
This feature enables support for the xHCI
XHCI Mode
Use this feature to select the xHCI controller mode of operation. The options are Smart Auto, Auto, Enabled, and Disabled.
HS Port #1~#4 Switchable
This feature allows for HS port switching between xHCI and EHCI. When set to Disabled, the specified port is routed to EHCI. The options are Enabled and Disabled.
Note: If HS port is routed to xHCI, the corresponding SS port is enabled.
XHCI Streams
Use this feature to enable the maximum primary stream array size for xHCI. The options are Enabled and Disabled.
EHCI1, EHCI2
This feature enables the EHCI interface (USB 2.0). At least one EHCI control- ler must always be enabled. The options are Enabled and Disabled.
USB Ports Per-Port Disable Control
If set to Enabled, this feature allows deactivation of selected USB ports. The options are Disabled and Enabled. If set to Enabled, the following will appear:
USB Port #0~#13 Disable
Select which USB ports to disable. The settings are Enabled and
Disabled.
Deep Sx (EUP)
Select Enabled to enable Deep Sleep State support. The settings are Enabled and Disabled.