SUPER MICRO Computer X9SPV-LN4F, X9SPV-F user manual PCH-IO Configuration

Chapter 4: AMI BIOS

PEG0 ASPM

Set this item to control ASPM (Active State Power Management) support for PEG: Device 1 Function 0. The options are Disabled, Auto, ASPM L0s, ASPM L1, and ASPM L0sL1.

Enable PEG

Use this feature to enable the PEG. The options are Disabled, Enabled, and Auto.

De-emphasis Control

This item sets the De-emphasis control on PEG. The options are -6 dB and -3.5 dB.

Initiate Graphic Adapter

Use this feature to select which device will operate as the primary display. The options are Auto, IGFX/PEG, PEG/On Board, and On Board/PEG. Note: select- ing IGFX/PEG will enable the Intel HD 4000 GPU.

PCH-IO Configuration

This submenu allows you to configure PCH Parameters.

USB Configuration

Legacy USB Support

This feature enables support for legacy USB devices. Select Auto to dis- able legacy support if USB devices are not present. Select Disable to have USB devices available only for EFI applications. The options are Enabled, Disabled and Auto.

USB3.0 Support

This feature enables controller support for USB 3.0 (XHCI) in the BIOS. The options are Enabled and Disabled.

XHCI Hand-Off

This item is for Operating Systems that do not support Exstensible Host Controller Interface (xHCI) hand-off. When enabled, xHCI ownership change will be claimed by the xHCI driver. The settings are Enabled and Disabled.

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