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English – ASRock P75 Pro3 User Manual

Page 24

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24

ASRock P75 Pro3 Motherboard

English

Infrared Module Header

This header supports an

(5-pin IR1)

optional wireless transmitting

(see p.2, No. 20)

and receiving infrared module.

Consumer Infrared Module Header

This header can be used to

(4-pin CIR1)

connect the remote controller

(see p.2, No. 19)

receiver.

Front Panel Audio Header

This is an interface for front

(9-pin HD_AUDIO1)

panel audio cable that allows

(see p.2, No. 29)

convenient connection and

control of audio devices.

USB 3.0 Header

Besides two default USB 3.0

(19-pin USB3_2_3)

ports on the I/O panel, there is

(see p.2, No. 6)

one USB 3.0 header on this

motherboard. This USB 3.0

header can support two USB 3.0

ports.

1

IRTX

+5VSB

DUMMY

IRRX

GND

1

ATX+5VSB

IRTX

GND

IRRX

J_SENSE

OUT2_L

1

MIC_RET

PRESENCE#

GND

OUT2_R

MIC2_R

MIC2_L

OUT_RET

IntA_P5_D+

DUMMY

IntA_P5_D-

GND

IntA_P5_SSTX+

GND

IntA_P5_SSTX-

IntA_P5_SSRX+

IntA_P5_SSRX-

Vbus

Vbus

Vbus

IntA_P4_SSRX-

IntA_P4_SSRX+

GND

IntA_P4_SSTX-

IntA_P4_SSTX+

GND

IntA_P4_D-

IntA_P4_D+

1. High Defi 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.

For Windows

®

XP / XP 64-bit OS:

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

For Windows

®

7 / 7 64-bit / Vista

TM

/ Vista

TM

64-bit OS:

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

“Recording Volume”.