Gigabyte B660M POWER DDR4 User Manual page 24

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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/F_USB3 (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.
• 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.
20
1
11
10
S
3
9
10
S
_
S
_
- 24 -
F_ U
Pin No. Definition
Pin No. Definition
1
VBUS
11
2
SSRX1-
12
3
SSRX1+
13
4
GND
14
B_
5
SSTX1-
15
6
SSTX1+
16
7
GND
17
8
D1-
18
9
D1+
19
10
NC
20
S
Pin No. Definition
1
B S S
S
2
1
2
3
4
5
6
7
S F
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
Power (5V)
U
Power (5V)
USB DX-
USB DY-
USB DX+
USB DY+
GND
_
GND
No Pin
NC
_
_
_ _

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