ECS Durathon 2 User Manual page 23

4. FUSB1: Front Panel USB 2.0 Header
The motherboard has one USB 2.0 header supporting two USB 2.0 ports.
Additionally, some computer cases have USB ports at the front of the case. If you
have this kind of case, use auxiliary USB connector to connect the front-mounted
ports to the motherboard.
Please make sure that the USB cable has the same pin assignment as
indicated above. A different pin assignment may cause damage or system
hang-up.
5. LPT: Onboard Parallel Port Header
This is a header that can be used to connect to the printer, scanner or other devices.
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B350AM4-M USER MANUAL