1.10.1 Rear panel connectors Asus prime Asus M3A78-EM

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ASUS M3A78-EM

1-27

LAN.port.LED.indications

LAN.port

SPEED.

LED

ACT/LINK.

LED

Activity/Link.Speed.LED
Status

Description Status

Description

OFF

No link

OFF

10 Mbps connection

ORANGE

Linked

ORANGE

100 Mbps connection

BLINKING

Data activity

GREEN

1 Gbps connection

7.. LAN.(RJ-45).port. This port allows Gigabit connection to a Local Area 

Network (LAN) through a network hub.

8.. Rear.Speaker.Out.port.(black). This port connects the rear speakers in a 

4-channel, 6-channel, or 8-channel audio configuration.

9... Center/Subwoofer.port.(orange). This port connects the center/subwoofer 

speakers. 

10.. Line.In.port.(light.blue). This port connects the tape, CD, DVD player, or 

other audio sources.

11.. Line.Out.port.(lime)..This port connects a headphone or a speaker. In 

4-channel, 6-channel, and 8-channel configuration, the function of this port 

becomes Front Speaker Out.

12.. Microphone.port.(pink). This port connects a microphone.
13.. Side.Speaker.Out.port.(gray). This port connects the side speakers in an 

8-channel audio configuration.

Refer to the audio configuration table for the function of the audio ports in 2, 4, 

6, or 8-channel configuration.

Audio 2, 4, 6, or 8-channel configuration

Ensure the audio device of Sound playback is Realtek High Definition Audio 

(the.name.may.be.different.based.on.the.OS). Go to Start.>.Control.Panel.>.

Sounds.and.Audio.Devices.>.Sound.Playback to configure the setting.

Port

Headset.

2-channel

4-channel

6-channel

8-channel

Light Blue

Line In

Line In

Line In

Line In

Lime

Line Out

Front Speaker Out

Front Speaker Out Front Speaker Out

Pink

Mic In

Mic In

Mic In

Mic In

Orange

Center/Subwoofer

Center/Subwoofer

Black

Rear Speaker Out

Rear Speaker Ou

Rear Speaker Out

Gray

Side Speaker Out