ASROCK A770DE User Manual page 24

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)
Infrared Module Header
(5-pin IR1)
(see p.10 No. 25)
Internal Audio Connectors
(4-pin CD1)
(CD1: see p.10 No. 29)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.10, No. 28)
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).
Besides six default USB 2.0
USB_PWR
ports on the I/O panel, there are
P-11
P+11
GND
three USB 2.0 headers on this
DUMMY
motherboard. Each USB 2.0
1
GND header can support two USB
P+10
P-10
2.0 ports.
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
1
GND
P+6
P-6
USB_PWR
This header supports an
IRTX
+5V
DUMMY optional wireless transmitting
and receiving infrared module.
1
GND
IRRX
This connector allows you
to receive stereo audio input
CD1
from sound sources such as
a CD-ROM, DVD-ROM, TV
tuner card, or MPEG card.
This is an interface for the front
GND
PRESENCE#
panel audio cable that allows
MIC_RET
OUT_RET
convenient connection and
control of audio devices.
1
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
2 4 2 4 2 4 2 4 2 4