ASROCK 970M Pro3 User Manual page 24

Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.6, No. 21)
1. High Deinition Audio supports Jack Sensing, but the panel wire on the chassis must
support 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 Speaker Header
(4-pin SPEAKER1)
(see p.6, No. 14)
Chassis and Power Fan
Connectors
(4-pin CHA_FAN1)
(see p.6, No. 23)
(3-pin PWR_FAN1)
(see p.6, No. 6)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.6, No. 2)
20
GND
PRESENCE#
MIC_RET
OUT_RET
1
O U T 2 _ L
J _ S E N S E
OUT2_R
MIC2_R
MIC2_L
DUMMY SPEAKER
1
+5V DUMMY
FAN_SPEED_CONTROL
CHA_FAN_SPEED
+12V
GND
FAN_SPEED_CONTROL
FAN_SPEED
+12V
GND
1 2 3 4
his header is for
connecting audio devices
to the front audio panel.
Please connect the chassis
speaker to this header.
Please connect fan cables
to the fan connectors and
match the black wire to
the ground pin.
his motherboard
provides a 4-Pin CPU fan
(Quiet Fan) connector.
If you plan to connect a
3-Pin CPU fan, please
connect it to Pin 1-3.