Serial Ports - DFI-ITOX G4H875-N User Manual

2
Hardware Installation

Serial Ports

G4H875-N and G4H875-C are equipped with 2 onboard serial
ports (COM 1: CN3 and COM 2: CN4) - both in Teal/Turquoise
color. It is also equipped with two 9-pin connectors (COM 4: J14
and COM 3: J16) for connecting external serial ports.
G4H875-B is equipped with COM 1 (CN3) and COM 2 (CN4).
COM 3 and COM 4 are not present on this board.
To use J14 or J16 to connect external serial ports, please refer to
the following description. The serial ports may be mounted on a
card-edge bracket. Install the card-edge bracket to the system
chassis then insert the cable connector to J14 or J16. Make sure
the colored stripe on the ribbon cable is aligned with pin 1 of
J14 or J16.
Serial ports are RS-232C asynchronous communication ports with
16C550A-compatible UARTs that can be used with modems, serial
printers, remote display terminals, and other serial devices.
BIOS Setting
Configure the serial ports in the Integrated Peripherals submenu
("Super IO Device" section) of the BIOS. Refer to chapter 3 for
more information.
38
COM 1 COM 2
2
1
9
COM 4
COM 3
G4H875-N/C only