Biostar Hi-Fi H77S Manual page 21

Hi-Fi Z77S/ Hi-Fi H77S UEFI BIOS Manual
XHCI Mode
This item sets the mode of operation of XHCI controller.
Options: Smart Auto (Default) / Auto / Enabled / Disabled
EHCI1/2
This item controls the USB EHCI (USB2.0) functions. One EHCI controller
must always be enabled.
Options: Enabled (Default) / Disabled
PCH Azalia Configuration
Azalia
This item controls detection of the Azalia device. Disabled = Azalia will be
unconditionally disabled. Enabled = Azalia will be unconditionally Enabled.
Auto = Azalia will be enabled if present, disabled otherwise.
Options: Auto (Default) / Disabled / Enabled
Azalia Internal HDM I Codec
This item enables or disables internal HDMI codec for Azalia.
Options: Enabled (Default) / Disabled
EuP Control
When EuP is enabled, the system will meet EuP requirement.
Options: Disabled (Default) / Enabled in S5 / Enabled in S4-S5
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