ECS L4S5MG, Manual, Page: 26 / 54

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The backplane of the mainboard has the following I/O ports:
PS/2 Mouse
Use the upper PS/2 port to connect a PS/2 pointing
device.
PS/2 Keyboard Use the lower PS/2 port to connect a PS/2 keyboard.
LPT1 Use LPT1 to connect printers or other parallel
communications devices.
COM1 Use the COM port to connect serial devices such as
mice or fax/modems. COM1 is identified by the system
as COM1/3.
VGA Port Use the VGA port to connect an external monitor.
Game Port Use the game port to connect a joystick or a MIDI
device.
Audio Ports Use the three audio ports to 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.
LAN Port Connect an RJ-45 jack to this port to connect your PC to
the LAN.
USB Ports Use the USB ports to connect USB devices.