23
Installing the Motherboard
IR1: Infrared port
The mainboard supports an Infrared (IR1) data port. Infrared ports allow the wireless
exchange of information between your computer and similarly equipped devices such as
printers, laptops, Personal Digital Assistants (PDAs), and other computers.
1 Not Assigned Not assigned
2 Key No pin
3 +5V IR Power
4 GND Ground
5 IRTX IrDA serial output
6 IRRX IrDA serial input
Pin Signal Name Function
Connecting I/O Devices
The backplane of the motherboard has the following I/O ports:
PS2 Mouse Use the upper PS/2 port to connect a PS/2 pointing device.
PS2 Keyboard Use the lower PS/2 port to connect a PS/2 keyboard.
Parallel Port (LPT1) Use LPT1 to connect printers or other parallel communications
devices.
Serial Port Use the COM port to connect serial devices such as mice or
(COM1) fax/modems. COM1 is identified by the system as COM1/3.
LAN Port (optional) Connect an RJ-45 jack to the LAN port to connect your computer
to the Network.
USB Ports Use the USB ports to connect USB devices.
Audio Ports Use the three audio ports to connect audio devices. The first jack
is for stereo line-in signal. The second jack is for stereo line-out
signal. The third jack is for microphone.
This concludes Chapter 2. The next chapter covers the BIOS.
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