LAN
USB
Serial and Parallel Interface Ports
The mainboard comes equipped with one serial port , one VGA port and one parallel port on the back
panel. These interface ports will be explained below.
Parallel Interface Port: PRT
The parallel port on your system has a 25-pin, DB25 connector and is used to interface with parallel
printers and other devices using a parallel interface.
The Serial Interface: COM
The serial interface port is sometimes referred to as an RS-232 port or an asynchronous communication
port. Mice, modems and other peripheral devices can be connected to a serial port.
Video Graphics Array Conn: VGA
The PM800 series has built in video facilities. Your monitor attaches directly to the VGA connector on
this mainboard.
Audio Port Connectors
Speaker Out is used to connect to speakers or headphones.
If the Super 5.1 driver is installed the Speaker Out
becomes the Front Speaker.
Line In can be connected to an external CD player, Tape
player or other audio devices for audio input. If the Super
5.1 driver is installed Line In becomes the Rear Speaker.
Pin
Assignment
1
TX+
2
TX-
3
RX+
4
NC
Pin
Assignment
1/5
+5 V (fused)
2/6
USBP0-/P1-
Print Port
COM
VGA
10
PM800 Pro(V2.0)
Pin
Assignment
5
NC
6
RX-
7
NC
8
NC
Pin
Assignment
3/7
USBP0+/P1+
4/8
Ground