ASROCK B450M/ac Manual De Instrucciones página 31

USB 3.2 Gen1 Header
(19-pin USB3_5_6)
(see p.1, No. 7)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.1, 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 con-
nect 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 Connector
(3-pin CHA_FAN2)
(see p.1, No. 16)
Vbus Vbus
Vbus IntA_PB_SSRX-
IntA_PA_SSRX- IntA_PB_SSRX+
IntA_PA_SSRX+ GND
GND IntA_PB_SSTX-
IntA_PA_SSTX-
IntA_PB_SSTX+
IntA_PA_SSTX+ GND
GND IntA_PB_D-
IntA_PA_D- IntA_PB_D+
IntA_PA_D+ Dummy
1
GND
PRESENCE#
MIC_RET
OUT_RET
1
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
GND
FAN_VOLTAGE
FAN_SPEED
There is one header on
this motherboard. Each
USB 3.2 Gen1 header can
support two ports.
This header is for
connecting audio devices
to the front audio panel.
Please connect fan cable
to the fan connector and
match the black wire to
the ground pin.
B450M/ac
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