Asus H170I-PLUS D3 - Usb Configuration; Onboard Devices Configuration

2.6.6 USB Configuration
The items in this menu allow you to change the USB‑related features.
The USB Devices item shows the auto‑detected values. If no USB device is detected, the
item shows None.
Legacy USB Support [Enabled]
[Enabled] Your system supports the USB devices in legacy operating systems.
[Disabled] Your USB devices can be used for BIOS setup only and cannot be
recognized in the boot devices list.
[Auto] Your system automatically detects the presence of USB devices at startup.
If any USB devices are detected, the legacy USB support is enabled.
XHCI Hand-off [Disabled]
[Enabled] Enables the support for operating systems without an XHCI hand‑off
feature.
[Disabled] Disables the XHCI Hand‑off support.
USB Single Port Control
This item allows you to enable or disable the individual USB ports.
Refer to section 1.2.3 Motherboard layout for the location of the USB ports.
2.6.7 Onboard Devices Configuration
HD Audio Controller [Enabled]
This item allows you to use the Azalia High Denition Audio Controller. Conguration options:
[Disabled] [Enabled]
The following items appear only when you set the HD Audio Controller item to [Enabled].
Front Panel Type [HD]
Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or
high‑denition audio depending on the audio standard that the front panel audio
module supports.
[HD] Sets the front panel audio connector (AAFP) mode to high denition
audio.
[AC97] Sets the front panel audio connector (AAFP) mode to legacy AC’97
SPDIF Out Type [SPDIF]
[SPDIF] Sets to an SPDIF audio output.
[HDMI] Sets to an HDMI audio output.
2‑32 Chapter 2: Getting started