I/O Ports - PCchips M902LU V3.0 User Manual

I/O Ports

The illustration below shows a side view of the built-in I/O ports
on the mainboard.
LAN
PS/2
port
mouse
PS/2
USB
keyboard
ports
1. The upper PS/2 port connects a PS/2 pointing
device.
2. The lower PS/2 port connects a PS/2 keyboard.
3. The USB ports connect USB devices.
4. LPT1 connects printers or other parallel
communications devices.
5. The COM ports connect serial devices such as mice
or fax/modems. COM1 is identified by the system
as COM1/3. COM2 is identified by the system as
COM2/4.
6. The game port connects a joystick or a MIDI
device.
7. Three audio ports connect audio devices. The left
side jack is for a stereo line-out signal. The middle
jack is for a stereo line-in signal. The right side jack
is for a microphone.
8. LAN port connects the network.
2: Mainboard Installation
Parallel port (LPT1) Game port
Serial port Serial port
COM 1 COM 2
Microphone
Line-in
Line-out
9