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AM35 Mainboard Manual
Universal Serial Bus Connectors
These two black jacks are integrated on the rear edge of the board for linking
with USB devices. This board has a pinhead, USB2/3, for two extra USB ports
that either on front or rear panel.
The figure below is the pin assignment
of the USB2/3.
Serial Port Connectors
COM1 (9-pin D-sub male connector with teal color) and COM2 (9-pin male
connector) allow you to connect with your devices that use serial ports, such
as a serial mouse or an external modem.