ASROCK B75M-DGS R2.0 User Manual download pdf (Page 27)

Front Panel Audio Header This is an interface for front

(9-pin HD_AUDIO1)

panel audio cable that allows

(see p.14, No. 22)

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.

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.14, No. 7)

one USB 3.0 header on this

motherboard. This USB 3.0

header can support two USB 3.0

ports.

Infrared Module Header This header supports an

(5-pin IR1)

optional wireless transmitting

(see p.14, No. 25)

and receiving infrared module.

J _SENSE

O UT2_L

M IC_RET

P RESENCE#

GND

O UT2_R

M IC2_R

M IC2_L

OUT_RET

USB 2.0 Headers Besides four default USB 2.0

(9-pin USB4_5)

ports on the I/O panel, there are

(see p.14, No. 19)

two USB 2.0 headers on this

motherboard. Each USB 2.0

header can support two USB 2.0

(9-pin USB6_7)

ports.

(see p.14, No. 18)

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ASROCK B75M-DGS R2.0 User Manual Page 27

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