ASROCK IMB-170 User Manual page 21

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
C. Connect Ground (GND) to Ground (GND).
D. MIC_RET and OUT_RET are for HD audio panel only. You
E. To activate the front mic.
3W Audio AMP Output
Wafer Header
(4-pin SPEAKER2)
(see p.11, No. 37)
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.11, No. 10)
CPU Fan Connectors
(3-pin CPU_FAN1)
(see p.11, No. 9)
OUT2_L.
don't need to connect them for AC'97 audio panel.
®
For Windows XP OS:
Select "Mixer". Select "Recorder". Then click "FrontMic".
®
For Windows 7 / 7 64-bit / Vista
Go to the "FrontMic" Tab in the Realtek Control panel.
Adjust "Recording Volume".
TM
/ Vista
Please connect the chassis
speaker to this header.
Please connect the fan
cable to the fan connector
and match the black wire to
the ground pin.
Please connect the CPU fan
cable to the connector and
match the black wire to the
ground pin.
21
TM
64-bit OS: