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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.
7-1
Chapter 7: BIOS
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