Asus Sabertooth X99 - Onboard Devices Configuration

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Chapter 3: BIOS setup
Chapter 3
3.6.7 Onboard Devices Configuration
Scroll down to view the other BIOS items.
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 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-denition audio depending on the audio standard that the front panel
audio module supports.
[HD Audio] 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.