ASROCK X299 OC Formula Manual Del Usuario página 30

Front Panel Type C USB
3.1 Gen2 Header
(26-pin F_USB31_TC_1)
(see p.1, No. 24)
Front Panel Audio
Headers
(9-pin HD_AUDIO1)
(see p.1, No.41)
(9-pin HD_AUDIO_RA1)
(see p.1, No. 40)
1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must sup-
port HDA to function correctly. Please follow the instructions in our manual and chassis
manual to install your system.
2. If you use an AC'97 audio panel, please install it to the front panel audio header by the
steps below:
A. Connect Mic_IN (MIC) to MIC2_L.
B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L.
C. Connect Ground (GND) to Ground (GND).
D. MIC_RET and OUT_RET are for the HD audio panel only. You don't need to connect
them for the AC'97 audio panel.
E. To activate the front mic, go to the "FrontMic" Tab in the Realtek Control panel and
adjust "Recording Volume".
Chassis Fan Connectors
(4-pin CHA_FAN1)
(see p.1, No. 28)
(4-pin CHA_FAN2)
(see p.1, No. 42)
28
GND
PRESENCE#
MIC_RET
OUT_RET
1
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
4 3 2 1
FAN_SPEED_CONTROL
CHA_FAN_SPEED
FAN_VOLTAGE
GND
1 GND
FAN_VOLTAGE
2
3 CHA_FAN_SPEED
4 FAN_SPEED_CONTROL
There is one Front
Panel Type C USB 3.1
Gen2 Header on this
motherboard. This header
is used for connecting a
USB 3.1 Gen2 module for
additional USB 3.1 Gen2
ports.
This header is for
connecting audio devices
to the front audio panel.
* Connect the audio
device to either one of the
audio connectors.
Please connect fan cables
to the fan connectors and
match the black wire to
the ground pin.