Asus Z170-WS Manual page 116

HD Audio Controller [Enabled]
This item allows you to use the Azalia High Definition Audio Controller
Configuration options: [Disabled] [Enabled]
The following items appear only when you set the HD Audio Controller to [Enabled].
Front Panel Type [HD Audio]
This item allows you to set the front panel audio connector (AAFP) mode to legacy
AC'97 or high-definition audio depending on the audio standard that the front panel
audio module supports.
[HD Audio]
[AC97]
SPDIF Out Type [SPDIF]
[SPDIF]
[HDMI]
M.2 X4_1 and SATA6G_56 Configuration [Auto]
This item allows you to set the SATA6G_56 Configuration.
Configuration options: [Auto] [SATA6G_56]
M.2 X4_2 and SATA6G_12 Configuration [PCIE/SATA6G_12]
This item allows you to set the SATA6G_12 Configuration.
Configuration options: [PCIE/SATA6G_12] [M.2 SATA]
ASMedia USB 3.1 Controller(USB3.1_EC1/USB3.1EA2) [Enabled]
This item allows you to disable or enable the ASMedia
Configuration options: [Disabled] [Enabled]
ASMedia USB 3.1 Battery Charging Support [Disabled]
This item allows you to disable or enable the ASMedia USB 3.1 battery charging support of
your system.
Configuration options: [Disabled] [Enabled]
USB Type C Power Switch [Auto]
[Auto]
[Enabled]
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Sets the front panel audio connector (AAFP) mode to high definition
audio.
Sets the front panel audio connector (AAFP) mode to legacy AC'97
Sets to an SPDIF audio output.
Sets to an HDMI audio output.
The system will automatically detect your USB Type C devices and provide
suitable power if needed.
The USB Type C port will always provide power to your devices.
USB 3.1 controller of your system.
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Chapter 3: BIOS Setup