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Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.2 No. 20)
1. High Definition Audio supports Jack Sensing, but the panel wire on
2. If you use AC'97 audio panel, please install it to the front panel audio
System Panel Header
(9-pin PANEL1)
(see p.2 No. 9)
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-
figure the way to turn off your system using the power switch.
RESET (Reset Switch):
Connect to the reset switch on the chassis front panel. Press the reset
switch to restart the computer if the computer freezes and fails to per-
form a normal restart.
PLED (System Power LED):
Connect to the power status indicator on the chassis front panel. The
LED is on when the system is operating. The LED keeps blinking
when the sys-tem is in S1 sleep state. The LED is off when the system
is in S3/S4 sleep state or powered off (S5).
24
GND
PRESENCE#
MIC_RET
1
OUT2_R
MIC2_R
MIC2_L
the 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.
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
Go to the "FrontMic" Tab in the Realtek Control panel. Adjust
"Recording Volume".
ASRock A75M-ITX Motherboard
This is an interface for the front
panel audio cable that allows
OUT_RET
convenient connection and
control of audio devices.
OUT2_L
J_SENSE
TM
TM
/ Vista
64-bit OS:
This header accommodates
several system front panel
functions.
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