ASROCK B75M Manual Del Usuario página 28

USB 2.0 Headers
(9-pin USB6_7)
(see p.2, No. 20)
(9-pin USB8_9)
(see p.2, No. 21)
Infrared Module Header
(5-pin IR1)
(see p.2, No. 23)
Consumer Infrared Module Header
(4-pin CIR1)
(see p.2, No. 22)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.2, No. 30)
1. High Definition Audio supports Jack Sensing, but the panel wire on the
2. If you use AC'97 audio panel, please install it to the front panel audio
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USB_PWR
P-9
P+9
GND
DUMMY
1
GND
P+8
P-8
USB_PWR
chassis must support HDA to function correctly. Please follow the
instruction in our manual and chassis manual to install your system.
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.
ASRock B75M Motherboard
Besides two default USB 2.0
ports on the I/O panel, there are
two USB 2.0 headers on this
motherboard. Each USB 2.0
header can support two USB 2.0
ports.
This header supports an
optional wireless transmitting
and receiving infrared module.
This header can be used to
connect the remote controller
receiver.
This is an interface for front
panel audio cable that allows
convenient connection and
control of audio devices.