ASRock A770DE User Manual - Page 24

Front Panel Audio Header - + no sound

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USB 2.0 Headers (9-pin USB10_11) (see p.10 No. 22) (9-pin USB8_9) (see p.10 No. 20) (9-pin USB6_7) (see p.10 No. 21) USB_PWR P-11 P+11 GND DUMMY 1 GND P+10 P-10 USB_PWR USB_PWR P-9 P+9 GND DUMMY 1 GND P+8 P-8 USB_PWR USB_PWR P-7 P+7 GND DUMMY Besides six default USB 2.0 ports on the I/O panel, there are three USB 2.0 headers on this motherboard. Each USB 2.0 header can support two USB 2.0 ports. 1 GND P+6 P-6 USB_PWR Infrared Module Header (5-pin IR1) (see p.10 No. 25) IRTX +5V DUMMY 1 GND IRRX This header supports an optional wireless transmitting and receiving infrared module. Internal Audio Connectors (4-pin CD1) (CD1: see p.10 No. 29) CD-L GND GND CD-R This connector allows you CD1 to receive stereo audio input from sound sources such as a CD-ROM, DVD-ROM, TV tuner card, or MPEG card. Front Panel Audio Header (9-pin HD_AUDIO1) (see p.10, No. 28) GND PRESENCE# MIC_RET OUT_RET 1 OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L This is an interface for the front panel audio cable that allows convenient connection and control of audio devices. 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). 24

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CD-L
GND
GND
CD-R
CD1
Internal Audio Connectors
This connector allows you
(4-pin CD1)
to receive stereo audio input
(CD1: see p.10
No. 29)
from sound sources such as
a
CD-ROM, DVD-ROM, TV
tuner card, or MPEG card.
J_SENSE
OUT2_L
1
MI
C
_
R
ET
P
R
ESEN
C
E#
G
N
D
OUT2_
R
MI
C
2_
R
MI
C
2_L
OUT_
R
ET
Front Panel Audio Header
This is an interface for the front
(9-pin
HD_AUDIO1)
panel audio cable that allows
(see
p.10,
No. 28)
convenient connection and
control of audio devices.
USB 2.0 Headers
Besides six default USB 2.0
(9-pin USB10_11)
ports on the I/O panel, there are
(see p.10
No. 22)
three USB 2.0 headers on this
motherboard. Each USB 2.0
header can support two USB
2.0 ports.
(9-pin USB8_9)
(see p.10
No. 20)
(9-pin USB6_7)
(see p.10
No. 21)
Infrared Module Header
This header supports an
(5-pin IR1)
optional wireless transmitting
(see p.10
No. 25)
and receiving infrared module.
D
U
MMY
GND
+5V
IRTX
IRRX
1
US
B_
P
WR
US
B_
P
WR
P
+7
P
-7
P
+6
P
-6
GND
GND
D
U
MMY
1
1
US
B
_PW
R
P-8
G
N
D
D
UMMY
US
B
_PW
R
P+8
G
N
D
P-9
P+9
1
US
B_
P
WR
P
-10
GND
D
U
MMY
US
B_
P
WR
P
+10
GND
P
-11
P
+11
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).