DFI CD102 Series - Manual (Page 22)

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22
Chapter 2 Hardware Installation
Chapter 2
COM (Serial) Ports
COM 2
COM 2 to COM 4 are fixed at RS232.
The pin function of COM 1 port will vary according to JP3’s and JP2’s/JP4’s setting. Refer to
“COM1 RS232/RS422/RS485 Select” in this chapter for more information.
The serial ports are asynchronous communication ports with 16C550A-compatible UARTs that
can be used with modems, serial printers, remote display terminals, and other serial devices.
Connecting External Serial Ports
Your COM port may come mounted on a card-edge bracket. Install the card-edge bracket to
an available slot at the rear of the system chassis then insert the serial port cable to the COM
connector. Make sure the colored stripe on the ribbon cable is aligned with pin 1 of the COM
connector.
BIOS Setting
Configure the serial ports in the Advanced menu (“Super IO Configuration” submenu) of the
BIOS. Refer to chapter 3 for more information.
COM 1:
RS232/422/485
COM 1
VGA
Graphics Interfaces
HDMI
The display ports consist of the following:
• 1 HDMI port
• 1 VGA port
HDMI Port
The HDMI port which carries both digital audio and video signals is used to connect a LCD
monitor or digital TV that has the HDMI port.
VGA Port
The VGA port is used for connecting a VGA monitor. Connect the monitor’s 15-pin D-shell cable
connector to the VGA port. After you plug the monitor’s cable connector into the VGA port,
gently tighten the cable screws to hold the connector in place.
Driver Installation
Install the graphics driver. Refer to chapter 4 for more information.
COM2: RS232
COM 4: RS232
COM 3: RS232
1
2
9
DCD- TD GND RT
S-
RI
-
RD
DT
R- DSR
-
CTS-
RS232
DCD- TD RD DT
R-
GND
RT
S-
RI
-
DSR
-
CTS-
1 2 3 4 5
6 7 8 9