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Chapter 1: product introduction, A55-c chassis intrusion connector, A55-c front panel audio connector – Asus A55-C User Manual

Page 38

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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, set

the Front Panel Type item in the BIOS to [HD]. See section 2.5.5 Onboard Devices

Configuration for details.

The front panel audio I/O module is purchased separately.

5.

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.

A55-C

A55-C Front panel audio connector

AAFP

PIN 1

AGND

NC

SENSE1_RETUR

SENSE2_RETUR

PORT1 L

PORT1 R

PORT2 R

SENSE_SEND

PORT2 L

HD-audio-compliant

pin definition

PIN 1

AGND

NC

NC

NC

MIC2

MICPWR

Line out_R

NC

Line out_L

Legacy AC’97

compliant definition

6.

Chassis intrusion connector (4-1 pin CHASSIS)
This connector is for a chassis-mounted intrusion detection sensor or switch. Connect

one end of the chassis intrusion sensor or switch cable to this connector. The chassis

intrusion sensor or switch sends a high-level signal to this connector when a chassis

comopnent is removed or replaced. The signal is then generated as a chassis intrusion

event.
By default, the pin labeled “Chassis Signal” and “Ground” are shorted with a jumper

cap. Remove the jumper caps only when you intend to use the chassis intrusion

detection feature.

A55-C

A55-C Chassis intrusion connector

+5VSB_MB

Chassis Signal

GND

CHASSIS

Chapter 1: Product introduction

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