ASROCK 870 EXTREME3 User Manual download pdf (Page 25)

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J_SENSE

OUT2_L

MIC_RET

PRESENCE#

GND

OUT2_R

MIC2_R

MIC2_L

OUT_RET

Front Panel Audio Header This is an interface for the front

(9-pin HD_AUDIO1) panel audio cable that allows

(see p.11, No. 38) convenient connection and

control of audio devices.

Infrared Module Header This header supports an

(5-pin IR1) optional wireless transmitting

(see p.11 No. 32) and receiving infrared module.

DUMMY

GND

+5V

IRTX

IRRX

1. High Definition 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.

For Windows

XP / XP 64-bit OS:

Select “Mixer”. Select “Recorder”. Then click “FrontMic”.

For Windows

7 / 7 64-bit / Vista

/ Vista

64-bit OS:

Go to the "FrontMic" Tab in the Realtek Control panel. Adjust

“Recording Volume”.

Power LED Header Please connect the chassis

(3-pin PLED1) power LED to this header to

(see p.11 No. 20) indicate system power status.

The LED is on when the system

is operating. The LED keeps

blinking in S1 state. The LED is

off in S3/S4 state or S5 state

(power off).

PLED+

PLED-

GND

PWRBTN#

PLED-

PLED+

DUMMY

RESET#

GND

HDLED+

HDLED-

System Panel Header This header accommodates

(9-pin PANEL1) several system front panel

(see p.11 No. 22) functions.

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ASROCK 870 EXTREME3 User Manual Page 25

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