9.Serial port connectors (10-1 pin COM1)

The connector is for a serial (COM) port. Connect the serial port module cable to the connector, then install the module to a slot opening at the back of the system chassis.

The serial port bracket (COM1) is purchased separately.

COM1

PIN1

M3N78-VM

M3N78-VM COM Port Connector10.Front panel audio connector (10-1 pin AAFP)

This connector is for a chassis-mounted front panel audio I/O module that supports either High Definition Audio or AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector.

M3N78-VM

Azalia-compliant

Legacy AC’97-compliant

pin definition

pin definition

AGND PRESENSE# MIC2 JD

HP HD

AGND NC NC

NC

AAFP

 

MIC2_L MIC2_R Line out_R NC Line out L

MIC2_L MIC2_R HP_R Jack_Sense HP_L

M3N78-VM Azalia Analog Front Panel Connector

• We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard high-definition audio capability.

•If you want to connect a high-definition front panel audio module to this connector, ensure that the Front Panel Type item in the BIOS is set to [HD

Audio]; if you want to connect an AC`97 front panel audio module to this connector, set the item to [AC97]. See page 2-29 for details.

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Chapter 1: Product introduction