Com (Serial) Ports - DFI KD330-H110 User Manual

COM (Serial) Ports

COM 1
PS/2 KB/MS
LAN 1
VGA
COM 1:
LAN 1
RS232/422/485
COM 2:
RS232/422/485
1
9
2
COM 7/8/9/10 (optional): RS232
9
The pin functions of COM 1 port will vary according to setting of JP7, JP8, JP9 and JP10. Refer
to "COM1/COM2 RS232/422/485 Select" and "COM1/COM2 RS232/Power Select" in this chapter
for more information.
The pin functions of COM 2 port will vary according to setting of JP11, JP12, JP13 and JP14.
Refer to "COM1/COM2 RS232/422/485 Select" and "COM1/COM2 RS232/Power Select" in this
chapter for more information.
COM 3 to COM 10 are fixed at RS232. The pin functions are listed at right.
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 COM 1 to COM 6 in the "SIO NUVOTON6106D" submenu and COM 7 to COM 10
(optional) in the "SIO NCT5104D" submenu of the Advanced menu of the BIOS. Refer to the
chapter 3 for more information.
Chapter 2 Hardware Installation
Chapter 2
COM 3/4/5/6: RS232
1
1
9
2
2
COM 3 to COM 10
Pin Pin Assignment
1 DCD-
2
RD
TD
3
DTR-
4
GND
5
DSR-
6
RTS-
7
CTS-
8
RI-
9
19
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