Gigabyte B550 AORUS PRO AC User Manual page 21

15) 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.
1
20
16) 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.
_ _ 3
17) TPM (Trusted Platform Module Header)
You may connect a TPM (Trusted Platform Module) to this header.
_ _B
S F_
F_
Pin No. Definition
1 VBUS
10
2 SSRX1-
3 SSRX1+
4 GND
11
5 SSTX1-
6 SSTX1+
7 GND
_
B
S B_
B
9 1
Pin No. Definition
1 Power (5V)
2 Power (5V)
_ S
10 2 3 USB DX-
S_
4 USB DY-
_
B
5 USB DX+
• Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB 2.0/1.1 header.
_ U
• Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord
_
B
from the power outlet to prevent damage to the USB bracket.
F_USB3 F
_
S _
Pin No. Definition
11 1
1
LAD0
2
VCC3
3
LAD1
12 2
4
No Pin
5
LAD2
6
LCLK
S S U
Pin No. Definition Pin No. Definition
8 D1-
9 D1+
10 NC
11 D2+
12 D2-
13 GND
14 SSTX2+
B S_
B
Pin No. Definition
6 USB DY+
7 GND
8 GND
9 No Pin
10 NC
_ 0
Pin No. Definition
7
LAD3
_ F
8
GND
9
LFRAME
10
NC
11
SERIRQ
12
LRESET
_ 0
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15 SSTX2-
16 GND
17 SSRX2+
18 SSRX2-
19 VBUS
20 No Pin
F
F
S
S