GIGA-BYTE TECHNOLOGY B550M DS3H AC - Page 21

Pin No. Denition Pin No. Denition
1 VBUS 11 D2+
2 SSRX1- 12 D2-
3 SSRX1+ 13 GND
4 GND 14 SSTX2+
5 SSTX1- 15 SSTX2-
6 SSTX1+ 16 GND
7 GND 17 SSRX2+
8 D1- 18 SSRX2-
9 D1+ 19 VBUS
10 NC 20 No Pin
13) F_U32 (USB 3.2 Gen 1 Header)
The header conorms to USB 3.2 Gen 1 and USB 2.0 specication and can provide two USB ports. For
purchasing the optional 3.5" ront panel that provides two USB 3.2 Gen 1 ports, please contact the local
dealer.
10
11
1
20
14) F_USB1 (USB 2.0/1.1 Header)
The header conorms to USB 2.0/1.1 specication. 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. Denition Pin No. Denition
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
Prior to installing the USB bracket, be sure to turn o your computer and unplug the power cord
rom the power outlet to prevent damage to the USB bracket.
10
9
2
1
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