41
2
Hardware Installation
COM 1
2.5.4 Serial Ports
The 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
Select the serial ports I/O address in the Integrated Peripherals
submenu (Super IO Device field) of the BIOS. Refer to chapter 3
for more information.
2.5.4.1 PS85-BC/BL
t
t
1
9
2
CD TD
RD DTR
SG RTS
DSR CTS
RI
The PS85-BC/BL system board is equipped with an onboard serial
port (CN6 - Teal/Turquoise) for COM 1 and a 9-pin connector at
location J7 for COM 2.
One card-edge bracket, mounted with a serial port cable, is
provided with the system board. If you want to use the COM 2
serial port, connect the serial port cable to connector J7. Make sure
the colored stripe on the ribbon cable is aligned with pin 1 of
connector J7. Mount the card-edge bracket to the system chassis.
COM 2