ASROCK Fatal1ty AB350 Gaming-ITX/ac Series Manual page 34

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 Fan Connector
(4-pin CHA_FAN2)
(see p.1, No. 6)
Chassis Optional/Water
Pump Fan Connector
(4-pin CHA_FAN/W_
PUMP)
(see p.1, No. 17)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.1, No. 4)
30
FAN_SPEED_CONTROL
CHA_FAN_SPEED
FAN_VOLTAGE
GND
GND
FAN_VOLTAGE_CONTROL
FAN_SPEED
FAN_SPEED_CONTROL
4 3 2 1
GND
FAN_VOLTAGE
CPU_F AN_SPEED
FAN_SPEED_CONTROL
Please connect fan cables
to the fan connectors and
match the black wire to
the ground pin.
This motherboard
provides two 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.
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.