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USB 2.0 Headers
(9-pin USB_6_7)
(see p.2, No. 25)
(9-pin USB_8_9)
(see p.2, No. 24)
(9-pin USB_10_11)
(see p.2, No. 23)
USB 3.0 Header
(19-pin USB3_12_13)
IntA_P12_SSRX
(see p.2, No. 9)
IntA_P12_SSRX
IntA_P12_SSTX
IntA_P12_SSTX
IntA_P12_D
IntA_P12_D
Infrared Module Header
(5-pin IR1)
(see p.2, No. 19)
Consumer Infrared Module Header
(4-pin CIR1)
(see p.2, No. 26)
30
ASRock H77 Pro4-M Motherboard
Besides four 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.
USB_PWR
P-9
P+9
GND
DUMMY
1
GND
P+8
P-8
USB_PWR
USB_PWR
P-11
P+11
GND
DUMMY
1
GND
P+10
P-10
USB_PWR
Besides two default USB 3.0
Vbus
Vbus
ports on the I/O panel, there is
Vbus
IntA_P13_SSRX
IntA_P13_SSRX
one USB 3.0 header on this
GND
motherboard. This USB 3.0
IntA_P13_SSTX
GND
IntA_P13_SSTX
header can support two USB 3.0
GND
IntA_P13_D
ports.
GND
IntA_P13_D
DUMMY
This header supports an
IRTX
+5VSB
optional wireless transmitting
DUMMY
and receiving infrared module.
1
GND
IRRX
This header can be used to
connect the remote controller
1
GND
receiver.
IRTX
IRRX
ATX+5VSB
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