ASROCK B650 PRO RS User Manual page 43

USB 2.0 Headers
(9-pin USB_7_8) (see p.6, No. 22)
(4-pin USB_9) (see p.6, No. 23)
There are two headers on this motherboard.
USB 3.2 Gen1 Header
(19-pin USB32_4_5) (see p.6, No. 12)
There is one header on this motherboard. This USB 3.2 Gen1 header can support
two ports.
38
USB_9
1
GND
P- P+
USB_PWR
USB_7_8
USB_PWR
-B
+B
GND
DUMMY
1
GND
+A
-A
USB_PWR
USB32_4_5
Vbus Vbus
Vbus IntA_PB_SSRX-
IntA_PA_SSRX- IntA_PB_SSRX+
IntA_PA_SSRX+ GND
GND IntA_PB_SSTX-
IntA_PA_SSTX-
IntA_PB_SSTX+
IntA_PA_SSTX+ GND
IntA_PB_D-
GND
IntA_PA_D- IntA_PB_D+
IntA_PA_D+
Dummy
1