ASROCK Z77 Extreme9 Quick Installation Manual page 46

USB 2.0 Headers
(9-pin USB2_3)
(see p.2, No. 26)
(9-pin USB4_5)
(see p.2, No. 27)
(9-pin USB6_7)
(see p.2, No. 28)
USB 3.0 Header
(19-pin USB3_9_10)
(see p.2, No. 10)
IntA_P4_SSRX+
IntA_P4_SSTX+
(19-pin USB3_11_12)
(see p.2, No. 9)
IntA_P4_SSRX+
IntA_P4_SSTX+
Infrared Module Header
(5-pin IR1)
(see p.2, No. 33)
Consumer Infrared Module Header
(4-pin CIR1)
(see p.2 No. 29)
46
USB_PWR
P-3
P+3
GND
DUMMY
1
GND
P+2
P-2
USB_PWR
Vbus Vbus
Vbus IntA_P5_SSRX-
IntA_P4_SSRX- IntA_P5_SSRX+
GND
GND IntA_P5_SSTX-
IntA_P4_SSTX-
IntA_P5_SSTX+
GND
GND IntA_P5_D-
IntA_P4_D- IntA_P5_D+
IntA_P4_D+
DUMMY
Vbus Vbus
Vbus IntA_P5_SSRX-
IntA_P4_SSRX- IntA_P5_SSRX+
GND
GND IntA_P5_SSTX-
IntA_P4_SSTX-
IntA_P5_SSTX+
GND
GND IntA_P5_D-
IntA_P4_D- IntA_P5_D+
IntA_P4_D+ DUMMY
IRTX
+5VSB
DUMMY
1
GND
IRRX
1
GND
IRTX
IRRX
ATX+5VSB
ASRock Z77 Extreme9 Motherboard
Besides two 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.
Besides eight default USB 3.0
ports on the I/O panel, there are
two USB 3.0 headers on this
motherboard. Each USB 3.0
header can support two USB 3.0
ports.
This header supports an
optional wireless transmitting
and receiving infrared module.
This header can be used to
connect the remote
controller receiver.