1.10.1 Rear panel connectors Asus prime Asus M3A78-EM

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Chapter 1: Product introduction

1.10  Connectors

1.10.1. Rear.panel.connectors

1.. PS/2.keyboard/Mouse.Combo.port.(purple). This port is for a PS/2 

keyboard or mouse.

2.. Optical.S/PDIF.Out.port..This port connects an external audio output device 

via a optical S/PDIF cable.

3.. HDMI.port. This port is for a High-Definition Multimedia Interface (HDMI) 

connector, and is HDCP compliant allowing playback of HD DVD, Blu-Ray 

and other protected content.

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Playback.of.HD.DVD.and.Blu-Ray.Discs.

The speed and bandwidth of the CPU/Memory, DVD player, and drivers 

will affect the playback quality. Using the CPU/Memory of higher speed and 

bandwidth with the higher-version DVD player and drivers will upgrade the 

playback quality.

•  This motherboard comes with dual-VGA output that features different 

display on 2 monitors at the same time if you connect 2 monitors to both 

the onboard VGA and DVI-D/HDMI out ports. 

•  DVI-D can't be converted to output RGB Signal to CRT and isn't compatible 

with DVI-I. 

•  To play HD DVD or Blu-Ray Disc, make sure to use an HDCP compliant 

monitor.

4.. Video.Graphics.Adapter.(VGA).port. This 15-pin port is for a VGA monitor 

or other VGA-compatible devices.

5.. IEEE.1394a.port. This 6-pin IEEE 1394a port provides high-speed 

connectivity for audio/video devices, storage peripherals, PCs, or portable 

devices.

6.. USB.2.0.ports.3.and.4. These two 4-pin Universal Serial Bus (USB) ports 

are available for connecting USB 2.0 devices.