Asus AT3GC-I User Manual download pdf (Page 22)

9. 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 Denition Audio or AC`97 audio standard. Connect one end of the front

panel audio I/O module cable to this connector.

AT3GC-I

AT3GC-I Analog front panel connector

AAFP

PIN 1

GND

PRESENCE#

SENSE1_RETUR

SENSE2_RETUR

PORT1 L

PORT1 R

PORT2 R

SENSE_SEND

PORT2 L

HD-audio-compliant

pin definition

PIN 1

AGND

MIC2

MICPWR

Line out_R

Line out_L

Legacy AC’97

compliant definition

If you want to connect a high-denition front panel audio module to this connector, ensure

that the Front Panel Support Type item in the BIOS is set to [HD Audio]. If you want to

connect an AC97 front panel audio module to this connector, set the item to [AC97]. See

section 2.4.5 Onboard Devices Conguration for details.

10. Chassis intrusion connector (4-1 pin CHASSIS)

This connector is for a chassis-mounted intrusion detection sensor or switch. The

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

chassis component 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.

AT3GC-I

AT3GC-I 240-pin Chassis intrusion connector

GND

Chassis Signal

+5VSB_MB

CHASSIS

Chapter 1: Product introduction1-13

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