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ASRock A75 Pro4-M Motherboard
English
Infrared Module Header
This header supports an
(5-pin IR1)
optional wireless transmitting
(see p.2 No. 26)
and receiving infrared module.
Front Panel Audio Header
This is an interface for the front
(9-pin HD_AUDIO1)
panel audio cable that allows
(see p.2 No. 30)
convenient connection and
control of audio devices.
Consumer Infrared Module Header
This header can be used to
(4-pin CIR1)
connect the remote
(see p.2 No. 23)
controller
receiver.
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
1. High De
fi
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”.
System Panel Header
This header accommodates
(9-pin PANEL1)
several system front panel
(see p.2 No. 17)
functions.
Connect the power switch, reset switch and system status indicator
on the chassis to this header according to the pin assignments below.
Note the positive and negative pins before connecting the cables.
PWRBTN (Power Switch):
Connect to the power switch on the chassis front panel. You may con-
fi
gure the way to turn off your system using the power switch.
