Asus ROG STRIX B550-A GAMING - Page 26

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Chapter 1: Product Introduction
Chapter 1
9. USB 2.0 headers
The USB 2.0 headers allow you to connect USB modules for additional USB 2.0 ports.
The USB 2.0 headers provide data transfer speeds of up to 480 Mb/s.
USB_E34
USB_E12
USB+5V USB_P1- USB_P1+ GND NC
USB+5V
USB_P2-
USB_P2+
GND
PIN 1
A
B
A
B
DO NOT connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB 2.0 module is purchased separately.