Supermicro X9SPV-M4-3QE User Manual download pdf (Page 71)

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X9SPV-M4 Motherboard User's Manual

EHCI Hand-Off

This item is for Operating Systems that do not support Enhanced Host Control-

ler Interface (EHCI) hand-off. When enabled, EHCI ownership change will be

claimed by the EHCI driver. The settings are Enabled and Disabled.

XHCI Pre-Boot Driver

This feature enables support for the xHCI pre-boot driver. The options are En-

abled and Disabled.

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 specied 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 controller

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 Dis-

abled.



PCH Azalia Conguration

Azalia

Use this feature to control how the Azalia device is detected. If set to Auto, Azalia

will only be enabled if present. The options are Disabled, Enabled, and Auto. If

set to Enabled, the following option becomes available.

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Supermicro X9SPV-M4-3QE User Manual Page 71