ASROCK B550AM Gaming User Manual page 37

Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.7, No. 22)
1. High Definition 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/Water Pump Fan
Connector
(4-pin CHA_FAN1/WP)
(see p.7, No. 23)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.7, No. 2)
CPU/Water Pump Fan
Connector
(4-pin CPU_FAN2/WP)
(see p.7, No. 3)
GND
PRESENCE#
MIC_RET
OUT_RET
1
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
GND
1
FAN_VOLTAGE
2
3
CHA_FAN_SPEED
4
FAN_SPEED_CONTROL
FAN_SPEED
FAN_VOLTAGE_CONTROL
FAN_SPEED_CONTROL
GND
FAN_SPEED
FAN_VOLTAGE_CONTROL
FAN_SPEED_CONTROL
GND
B550AM Gaming
This header is for
connecting audio devices
to the front audio panel.
This motherboard
provides one 4-Pin water
cooling chassis fan
connector. If you plan to
connect a 3-Pin chassis
water cooler fan, please
connect it to Pin 1-3.
This motherboard pro-
vides 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.
This motherboard
provides a 4-Pin water
cooling CPU fan
connector. If you plan
to connect a 3-Pin CPU
water cooler fan, please
connect it to Pin 1-3.
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