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Front Panel Type C USB
3.2 Gen2 Header
(20-pin USB31_TC_2)
(see p.1, No. 11)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.1, No. 31)
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 Water Pump Fan
Connectors
(4-pin CHA_FAN1/WP)
(see p.1, No. 27)
(4-pin CHA_FAN2/WP)
(see p.1, No. 28)
(4-pin CHA_FAN3/WP)
(see p.1, No. 33)
USB Type-C Cable
GND
PRESENCE#
MIC_RET
OUT_RET
1
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
GND
FAN_VOLTAGE
FAN_SPEED
FAN_SPEED_CONTROL
1
2
3
4
4
3
2
1
FAN_SPEED_CONTROL
CHA_FAN_SPEED
FAN_VOLTAGE
GND
There is one Front
Panel Type C USB 3.2
Gen2 Header on this
motherboard. This header
is used for connecting a
USB 3.2 Gen2 module for
additional USB 3.2 Gen2
ports.
This header is for
connecting audio devices
to the front audio panel.
This motherboard
provides five 4-Pin water
cooling chassis fan
connectors. If you plan to
connect a 3-Pin chassis
water cooler fan, please
connect it to Pin 1-3.
B550 Taichi
31
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