User`s guide

Back Panel Connectors on the P4-EPC
20 P4-EPC /B-E1, B-E2 – Operating Manual 1750100230 C
USB Ports 1 & 2 (Two 4-pin Universal Serial Bus)
Two USB ports are available for connecting USB devices.
USB Ports 3 & 4 (Two 4-pin Universal Serial Bus)
Two USB ports are available for connecting USB devices.
Universal Serial Bus (USB) 2
USB1
USB4
USB3