ASROCK PRO Serie Manuel D'utilisation page 37

USB 2.0 Headers
(9-pin USB_3_4) (see p.7, No. 24)
(9-pin USB_5_6) (see p.7, No. 23)
There are two headers on this motherboard. Each USB 2.0 header can support two
ports.
B860 Pro RS WiFi
B860 Pro RS
USB_3_4
USB_PWR
P-
P+
GND
DUMMY
1
GND
P+
P-
USB_PWR
USB_5_6
USB_PWR
P-
P+
GND
DUMMY
1
GND
P+
P-
USB_PWR
33