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USB 2.0 Headers
(9-pin USB8_9)
(see p.2 No. 16)
(9-pin USB6_7)
(see p.2 No. 15)
Infrared Module Header
(5-pin IR1)
(see p.2 No. 30)
Internal Audio Connectors
(4-pin CD1)
(CD1: see p.2 No. 29)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.2, No. 22)
1. High Definition 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. Enter BIOS Setup Utility. Enter Advanced Settings, and then select
Chipset Configuration. Set the Front Panel Control option from
[Auto] to [Enabled].
F. Enter Windows system. Click the icon on the lower right hand
taskbar to enter Realtek HD Audio Manager.
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1 6
1 6
1 6
1 6
CD1
ASRock
M3A-GLAN
Motherboard
Besides six 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 connector allows you
to receive stereo audio input
from sound sources such as
a CD-ROM, DVD-ROM, TV
tuner card, or MPEG card.
This is an interface for the front
panel audio cable that allows
convenient connection and
control of audio devices.
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