User`s guide

Back Panel Connectors on the P4-EPC
22 P4-EPC /B-E1, B-E2 – Operating Manual 1750100230 C
Serial Port COM1 Connector (Teal/Turquoise 9-pin
Male)
Standard Serial port COM1 is ready for a mouse or other serial devices.
Serial Port COM2 Connector (9-pin Male)
Standard Serial port COM2 is ready for a mouse or other serial devices. This
second serial port is available using a 9-pin DSUB-Male cable assembly
connected from the motherboard COM2 dual-row headers to a back panel.
COM 2
Serial Port (9-pin male)
COM1 Serial Port (9-pin male)