Gigabyte Z790M A ELITE AX ICE User Manual page 27

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F_USB30
14) 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.
15) 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.
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
11
S
3
9
10
S
_
S
_
F_ U
Pin No. Definition
1
1
VBUS
2
SSRX1-
3
SSRX1+
4
GND
B_
5
SSTX1-
6
SSTX1+
10
7
GND
8
D1-
9
D1+
10
NC
S
B S S
1
2
B_
- 27 -
Pin No. Definition
11
D2+
12
D2-
13
GND
B S S
14
SSTX2+
15
SSTX2-
16
GND
17
SSRX2+
18
SSRX2-
19
VBUS
20
No Pin
Pin No. Definition
S
1
Power (5V)
2
Power (5V)
3
USB DX-
4
USB DY-
5
USB DX+
S F
6
USB DY+
7
GND
8
GND
9
No Pin
10
NC
S
_S
F_
1
_S
S
1 2 3
U
_
_

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