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K8 nForce4 SLI Series Motherboard
1-7 I/O Back Panel Introduction
PS/2 Keyboard and PS/2 Mouse Connector
To install a PS/2 port keyboard and mouse, plug the mouse to the upper port (green) and the keyboard to the
lower port (purple).
Parallel Port
The parallel port allows connection of a printer, scanner and other peripheral devices.
SPDIF_I (SPDIF In)
Use SPDIF In feature only when your device has digital output function.
SPDIF_O (SPDIF Out)
The SPDIF output is capable of providing digital audio to external speakers or compressed AC3
data to an external Dolby Digital Decoder.
COMA (Serial Port)
Connects to serial-based mouse or data processing devices.
LAN Port 2
The provided Internet connection is Gigabit Ethernet, providing data transfer speeds of 10/100/
1000Mbps.
LAN Port 1
The provided Internet connection is Gigabit Ethernet (PCI Express Gigabit), providing data transfer
speeds of 10/100/1000Mbps.
USB port
Before you connect your device(s) into USB connector(s), please make sure your device(s) such as
USB keyboard, mouse, scanner, zip, speaker...etc. have a standard USB interface. Also make sure
your OS supports USB controller. If your OS does not support USB controller, please contact OS
vendor for possible patch or driver upgrade. For more information please contact your OS or
device(s) vendors.
Line In
Devices like CD-ROM, walkman etc. can be connected to Line In jack.
Line Out (Front Speaker Out)
Connect the stereo speakers, earphone or front surround speakers to this connector.
MIC In
Microphone can be connected to MIC In jack.
Only for GA-K8N Ultra-SLI.