Supermicro X10SLX-F User Manual download pdf (Page 79)

Chapter 4: AMI BIOS

4-15

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PCH-IO Conguration

This item displays the information for PCH-IO Chip.

•Intel PCH Rev ID

•USB Conguration

•USB Devices

EHCI1

Select Enabled to enable EHCI (Enhanced Host Controller Interface) Controller 1

for USB 2.0 support. One EHCI controller must always be enabled. The settings

are Enabled and Disabled.

EHCI2

Select Enabled to enable EHCI (Enhanced Host Controller Interface) Controller 2

for USB 2.0 support. One EHCI controller must always be enabled. The settings

are Enabled and Disabled.

Legacy USB Support

This feature enables support for legacy USB devices. Select Auto to disable

legacy support if legacy USB devices are not present. Select Disable to have

USB devices available only for EFI applications. The options are Enabled,

Disabled and Auto.

Port 60/64 Emulation

This feature enables or disables I/O port 60h/64h emulation support. This fea-

ture should be enabled for complete USB keyboard legacy support for operat-

ing systems that cannot detect the presence of USB devices. The options are

Enabled and Disabled.

XHCI Hand-Off

This item is a work-around solution for operating systems that do not support

XHCI (Extensible Host Controller Interface) hand-off. The XHCI ownership

change should be claimed by the XHCI driver. The settings are Enabled and

Disabled.

EHCI Hand-Off

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

Interface (EHCI) hand-off. When this item is enabled, EHCI ownership change

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

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Supermicro X10SLX-F User Manual Page 79