ASRock B75TM-ITX User Manual - Page 31

Onboard Headers and Connectors

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2.8 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage to the motherboard! USB 2.0 Headers (9-pin USB4_5) (see p.13/15/17, No. 20) DUMMY GND +B -B USB_PWR GND +A -A USB_PWR 1 (9-pin USB6_7) (see p.13/15/17, No. 7) USB_PWR -B +B GND DUMMY 1 GND +A -A USB_PWR Besides two default USB 2.0 ports on the I/O panel, there are three USB 2.0 headers and one USB port on this motherboard. Each USB 2.0 header can support two USB 2.0 ports. (4-pin USB8) (see p.13/15/17, No. 3) GND +5VDC 1 +D -D IntA_PA_D+ IntA_PA_DGND IntA_PA_SSTX+ IntA_PA_SSTXGND IntA_PA_SSRX+ IntA_PA_SSRXVbus USB 3.0 Header (19-pin USB3_0_1) (see p.13/15/17, No. 9) 1 Dummy IntA_PB_D+ IntA_PB_D- GND IntA_PB_SSTX+ IntA_PB_SSTX- GND IntA_PB_SSRX+ IntA_PB_SSRX- Vbus Besides two default USB 3.0 ports on the I/O panel, there is one USB 3.0 header on this motherboard. The USB 3.0 header can support two USB 2.0 ports. Consumer Infrared Module Header (7-pin CIR1) (see p.13/15/17, No. 5) CIR input +5VA Learn-in LED 1 +5VA NC GND This header can be used to connect the remote controller receiver. 31

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31
2.8
Onboard Headers and Connectors
Onboard headers and connectors are NOT jumpers. Do NOT
place jumper caps over these headers and connectors. Plac-
ing jumper caps over the headers and connectors will cause
permanent damage to the motherboard!
USB 2.0 Headers
(9-pin USB4_5)
(see p.13/15/17, No. 20)
(9-pin USB6_7)
(see p.13/15/17, No. 7)
(4-pin USB8)
(see p.13/15/17, No. 3)
Besides two default USB 2.0
ports on the I/O panel, there
are three USB 2.0 headers
and one USB port on this
motherboard. Each USB
2.0 header can support two
USB 2.0 ports.
DUMMY
GND
GND
+B
-B
USB_PWR
+A
-A
USB_PWR
1
USB 3.0 Header
(19-pin USB3_0_1)
(see p.13/15/17, No. 9)
Besides two default USB 3.0
ports on the I/O panel, there
is one USB 3.0 header on
this motherboard. The USB
3.0 header can support two
USB 2.0 ports.
DUMMY
GND
GND
+B
-B
+A
-A
USB_PWR
USB_PWR
1
+5VDC
+D -D
GND
1
1
IntA_PB_D+
Dummy
IntA_PB_D-
GND
IntA_PB_SSTX+
GND
IntA_PB_SSTX-
IntA_PB_SSRX+
IntA_PB_SSRX-
Vbus
Vbus
IntA_PA_SSRX-
IntA_PA_SSRX+
GND
IntA_PA_SSTX-
IntA_PA_SSTX+
GND
IntA_PA_D-
IntA_PA_D+
Consumer Infrared
Module Header
(7-pin CIR1)
(see p.13/15/17, No. 5)
This header can be used
to connect the remote
controller receiver.
1
GND
Learn-in
NC
+5VA
LED
+5VA
CIR input