23
Installing the Motherboard
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.
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.
VGA Port Connect your monitor to the VGA port.
LAN Port Connect an RJ-45 jack to the LAN port to connect your computer
(optional) to the Network.
USB Ports Use the USB ports to connect USB devices.
Audio Ports
(optional)
Use the three audio jacks 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.
SPDIFO1: SPDIF out header
This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface) output
to digital multimedia device through optical fiber or coaxial connector.
Pin Signal Name Function
1 SPDIF SPDIF digital output
2 +5VA 5V analog Power
3 Key No pin
4 GND Ground
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