ECS Elitegroup 755FX-A939 [28/83] Connecting i o devices

ECS Elitegroup 755FX-A939 [28/83] Connecting i o devices
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Installing the Motherboard
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.
AUXIN1: Auxiliary In header
This connector is an additional line-in audio connector. It allows you to attach a line-in
cable when your rear line-in jack is set as line out port for 4-channel function.
CDIN1: Analog Audio Input header
1 AUX_L AXU In left channel
2 GND Ground
3 GND Ground
4 AUX_R AXU In right channel
1 CD in_L CD In left channel
2 GND Ground
3 GND Ground
4 CD in_R CD In right channel
Pin Signal Name Function
Pin Signal Name Function
Connecting I/O Devices
The backplane of the motherboard has the following I/O ports:

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