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USB 2.0 Headers
(9-pin USB6_7)
(see p.2, No. 21)
USB_PWR
P-9
(9-pin USB8_9)
(see p.2, No. 22)
1
P-8
USB_PWR
USB 3.0 Header
IntA_P0_D+
IntA_P0_D-
(19-pin USB3_2_3)
GND
IntA_P0_SSTX+
IntA_P0_SSTX-
(see p.2, No. 11)
1
IntA_P1_SSTX+
GND
IntA_P1_D-
IntA_P1_D+
DUMMY
Infrared Module Header
(5-pin IR1)
(see p.2, No. 24)
Consumer Infrared Module Header
(4-pin CIR1)
(see p.2, No. 23)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.2, No. 32)
1
ASRock B75M R2.0 Motherboard
Besides four default USB 2.0
ports on the I/O panel, there are
two USB 2.0 headers on this
motherboard. Each USB 2.0
header can support two USB 2.0
ports.
P+9
GND
DUMMY
GND
P+8
Besides two default USB 3.0
ports on the I/O panel, there is
one USB 3.0 header on this
GND
IntA_P0_SSRX+
motherboard. This USB 3.0
IntA_P0_SSRX-
Vbus
header can support two USB 3.0
ports.
Vbus
IntA_P1_SSRX-
IntA_P1_SSRX+
GND
IntA_P1_SSTX-
This header supports an
IRTX
+5VSB
optional wireless transmitting
DUMMY
and receiving infrared module.
1
GND
IRRX
This header can be used to
1
connect the remote controller
GND
IRTX
receiver.
IRRX
ATX+5VSB
This is an interface for front
GND
PRESENCE#
panel audio cable that allows
MIC_RET
OUT_RET
convenient connection and
control of audio devices.
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
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