Aaeon EMB-Q87B Manual page 29

14. USB 2.0 connectors (4-pin USB2 / USB3; 10-pin USB56, USB78,
USB1112)
These connectors are for USB 2.0 ports. Connect the USB cable to these
connectors. These USB connectors comply with USB 2.0 specification that
supports up to 480 Mbps connection speed.
EMB-Q87B USB2.0 connectors
CAUTION: Never connect a 1394 cable to the USB connector. Doing so will
damage the motherboard.
NOTE: The USB cable is purchased separately.
Chapter 2: Motherboard information
USB1112 USB78
PIN 1 PIN 1
USB2 USB3
PIN 1 PIN 1
USB56
PIN 1
2-21