GIGA-BYTE TECHNOLOGY B550M AORUS PRO, User Manual

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Pin No. Definition Pin No. Definition Pin No. Definition
1 VBUS 8 D1- 15 SSTX2-
2 SSRX1- 9 D1+ 16 GND
3 SSRX1+ 10 NC 17 SSRX2+
4 GND 11 D2+ 18 SSRX2-
5 SSTX1- 12 D2- 19 VBUS
6 SSTX1+ 13 GND 20 No Pin
7 GND 14 SSTX2+
13) F_U32 (USB 3.2 Gen 1 Header)
The header conforms to USB 3.2 Gen 1 and USB 2.0 specification and each header 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.
F_USB30
F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_ S
S_
_
B
_U
_
B
S
12
3
1 2 3
12
3
12 3
1
1
1
1
BS S
S
_S
S S U
1 2 3
S 3
BS S S
U
_ _ 3
F_USB3F
S _
S _
S _
S F
B_
B_
F
_0
S
S
_0 F
_F
_
_
_ _B
U
S _S
_ S F_
B
USB0_ B
B_
B_
F_USB3 F_USB303
_
_3 U
S_
1
14) 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.
Pin No. Definition Pin No. Definition
1 Power (5V) 6 USB DY+
2 Power (5V) 7 GND
3 USB DX- 8 GND
4 USB DY- 9 No Pin
5 USB DX+ 10 NC
• 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.
DEBUG
PORT
G.QBOFM
10
9
2
1
20
10
11
15) TPM (Trusted Platform Module Header)
You may connect a TPM (Trusted Platform Module) to this header.
Pin No. Definition Pin No. Definition
1
LAD0
7
LAD3
2
VCC3
8
GND
3
LAD1
9
LFRAME
4
No Pin
10
NC
5
LAD2
11
SERIRQ
6
LCLK
12
LRESET
F_USB30
F_ U
B_
F_ F_
_
B
B S_
B
S B_
B
_ S
S_
_
B
_ U
_
B
S
12
3
12 3
12
3
1 2 3
1
1
1
1
B S S
S
_S
S S U
1 2 3
S 3
B S S S
U
_ _ 3
F_USB3 F
S _
S _
S _
S F
B_
B_
F
_ 0
S
S
_ 0 F
_ F
_
_
_ _B
U
S _S
_ S F_
B
USB 0_ B
B_
B_
F_USB3 F_USB30 3
_
_3 U
S _
12
11
2
1
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