Asus M4A78LT_LE Owner's Manual download pdf (Page 32)

7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports connect to

USB 2.0 devices.

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

USB 2.0 devices.

9. Serial port. This 9-pin COM1 port is for pointing devices or other serial devices.

10. PS/2 Keyboard port (purple). This port is for a PS/2 keyboard.

• We recommend that you connect a high-denition front panel audio module to this

connector to avail of the motherboard high-denition audio capability.

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

the Front Panel Select item in the BIOS to [HD Audio]. See section 2.4.3 Chipset for

details.

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

1.10.2 Internal connectors

1. 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.

M4A78LT Series

M4A78LT Series Front panel audio 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

Chapter 1: Product introduction1-22

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Asus M4A78LT_LE Owner's Manual Page 32