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2
Hardware Installation
COM 1
COM 2
DCD-
TD
RD
D
TR
-
GND
1
2
3 4 5
R
T
S-
RI
-
DSR
-
CT
S-
6
7
8 9
COM 1 is fixed at RS232.
COM 2’s pin definition will vary according to JP5’s settings. Refer to “COM 2
RS232/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.
BIOS Setting
Configure the serial ports in the Integrated Peripherals submenu (“Super IO De-
vice” section) of the BIOS. Refer to chapter 3 for more information.
COM (Serial) Ports