Gigabyte B660M GAMING X AX User Manual page 26

F_USB30
12) F_U32 (USB 3.2 Gen 1 Header)
The header conforms to USB 3.2 Gen 1 and USB 2.0 specification and can provide two USB ports. For
purchasing the optional 3.5" front panel that provides two USB 3.2 Gen 1 ports, please contact the local
dealer.
13) F_USB1/F_USB2 (USB 2.0/1.1 Headers)
The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
S
• Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB 2.0/1.1 header.
• Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord
from the power outlet to prevent damage to the USB bracket.
S
F_ U
Pin No. Definition
20 1
1
2
3
4
5
6
11 10
7
8
9
10
S 3
9 1
10 2
_
_
- 26 -
Pin No. Definition
VBUS 11
SSRX1- 12
SSRX1+ 13
GND 14
B_
SSTX1- 15
SSTX1+ 16
GND 17
D1- 18
D1+ 19
NC 20
S
Pin No. Definition
B S S S
1
2
3
4
5
6
S F
7
8
9
10
B_
S _S
F_
D2+
D2-
GND
B S S
SSTX2+
SSTX2-
1
GND
_S
SSRX2+
SSRX2-
VBUS
No Pin
S
1 2 3
U
Power (5V)
Power (5V)
USB DX-
USB DY-
USB DX+
USB DY+
GND _
GND
No Pin
NC
_
_
_ _