ASUS M5A78LMUSB3 Manual Do Utilizador

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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 Select item in the BIOS to [HD Audio]. See section 2.4.4 Onboard 
Devices Configuration 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 Definition Audio or AC`97 audio standard. Connect one end of the front 
panel audio I/O module cable to this connector.
M5A78L-M/USB3
M5A78L-M/USB3 Front panel audio connector
AAFP
PIN 1
GN
D
PRESENCE# 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
MIC
2
MICPWR
Line out_
R
NC
Line out_
L
Legacy AC’97
compliant definition
2. 
LPT connector (26-1 pin LPT)
 
The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT is 
standardized as IEEE 1284, which is the parallel port interface on IBM PC-compatible 
computers.
M5A78L-M/USB3
M5A78L-M/USB3 LPT connector
LPT
PIN 1
SLCT
PE
BUSY
ACK#
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
STB#
GND
GND
GND
GND
GND
GND
GND
GND
SLIN#
INIT#
ERR#
AFD
Chapter 1: Product introduction
1-22