ASROCK B150TM-ITX TPM R2.0 User Manual page 23

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".
Analog Surround
Audio Header
(17-pin HD_AUDIO2)
(see p.6, No. 26)
3W Audio AMP Output
Wafer Header
(4-pin SPEAKER1)
(see p.6, No. 25)
SPDIF Out Connector
(2-pin HDMI_SPDIF1)
(see p.6, No. 24)
18
PIN
18
16
14
12
10
8
2 1
6
4
2
Please connect the chassis
speaker to this header.
Please connect the SPDIF
1
Out connector of a HDMI
GND
SPDIFOUT
VGA card to this header
with a cable.
Signal
PIN
Name
SENSE 17
LFE 15
A_GND 13
Surr_Rear_R 11
A_GND 9 Surr_Rear_L
Surr_Side_R 7
A_GND 5 Surr_Side_L
3
Front_R
1
A_GND
Signal
Name
KEY
A_GND
Center
A_GND
A_GND
A_GND
Front_L