ASROCK Z77 Extreme4 User Manual page 37

(9-pin USB6_7)
(see p.13, No. 24)
USB 3.0 Header
(19-pin USB3_4_5)
IntA_P4_SSRX-
(see p.13, No. 9)
IntA_P4_SSRX+
IntA_P4_SSTX-
IntA_P4_SSTX+
IntA_P4_D-
IntA_P4_D+
Infrared Module Header
(5-pin IR1)
(see p.13, No. 30)
Consumer Infrared Module Header
(4-pin CIR1)
(see p.13 No. 27)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.13, No. 31)
1. High Defi 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.
Besides four default USB 3.0
Vbus Vbus
ports on the I/O panel, there is
Vbus IntA_P5_SSRX-
IntA_P5_SSRX+
one USB 3.0 header on this
GND
GND IntA_P5_SSTX- motherboard. This USB 3.0
IntA_P5_SSTX+
header can support two USB 3.0
GND
IntA_P5_D-
GND
ports.
IntA_P5_D+
DUMMY
This header supports an
IRTX
+5VSB
DUMMY optional wireless transmitting
and receiving infrared module.
1
GND
IRRX
This header can be used to
1
connect the remote
GND
IRTX
IRRX
controller receiver.
ATX+5VSB
This is an interface for front
GND
PRESENCE#
MIC_RET
panel audio cable that allows
OUT_RET
convenient connection and
1
control of audio devices.
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
37