AAEON EMB-Q77B - Manual (Page 30)

EMB-Q77B 2-22
8. USB 2.0 connectors (10-1 pin USB56, USB1112)
This connector is for USB 2.0 ports. Connect the USB module cable to
connector USB1112. This USB connector complies with USB 2.0 specification
that supports up to 480 Mbps connection speed.
Never connect a 1394 cable to the USB connector. Doing so will damage the
motherboard.
The USB module cable is purchased separately.
9. Speaker connector (4-pin SPEAKER)
The 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
EMB-Q77B USB2.0 connector
+5V USB11- USB11+ GND (NC)
+5V
USB12- USB12+
GND
USB1112
PIN 1
+5V USB5- USB5+ GND (NC)
+5V
USB6- USB6+
GND
USB56
PIN 1
EMB-Q77B Speaker Out Connector
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1