ASRock IMB-159 [18/41] Front panel audio header this is an interface for front

HDLED (Hard Drive Activity LED):

Connect to the hard drive activity LED on the chassis front panel. The LED

is on when the hard drive is reading or writing data.

The front panel design may differ by chassis. A front panel module mainly

consists of power switch, reset switch, power LED, hard drive activity LED,

speaker and etc. When connecting your chassis front panel module to this

header, make sure the wire assignments and the pin assign-ments are

matched correctly.

3W Audio AMP Output Wafer

(4-pin SPEAKER1)

(see p.8 No. 29)

Front Panel Audio Header This is an interface for front

(9-pin HD_AUDIO1)

panel audio cable that allows

(see p.8 No. 28)

convenient connection and

control of audio devices.

1. High Denition Audio supports Jack Sensing, but the panel wire on

the chassis must support HDA to function correctly. Please follow the

instruction in our manual and chassis manual to install your system.

2. If you use AC’97 audio panel, please install it to the front panel audio

header as 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 HD audio panel only. You don’t

need to connect them for AC’97 audio panel.

E. To activate the front mic.

Go to the “FrontMic” Tab in the Realtek Control panel. Adjust

“Recording Volume”.

PIN Signal Name

4 OUTRN

3 OUTRP

2 OUTLP

1 OUTLN

J_SENSE

OUT2_L

MIC_RET

PRESENCE#

GND

OUT2_R

MIC2_R

MIC2_L

OUT_RET