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